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Acanthus hungaricus (Long-leaved bear's breeches): Architectural spires of purple/white flowers over large, dark green deeply divided leaves. Best in sun or light shade. Height to 1.2m [Collect Only]

Achillea 'Forncett Fletton' (Yarrow 'Forncett Fletton'): Flat heads of warm, brick red flowers with gold centres above ferny foliage. Great in sunny borders in light soil. To 75cm [Collect Only]

Achillea 'Martina' (Yarrow 'Martina'): A superb variety with long lasting lemon yellow flowerheads, fading slowly to cream. Ferny green foliage. Hardy. To 75cm [Collect Only]

Achillea 'Moonshine' (Yarrow 'Moonshine'): Very popular variety with large bright yellow/gold flowerheads above silvery green ferny foliage. Height to 80cm

Achillea 'Paprika' (Yarrow 'Paprika'): As its name suggests, rich, dark orange flowerheads above ferny green foliage. Great in full sun and light soils. Height to 75cm

Achillea 'Pretty Belinda' (Yarrow 'Pretty Belinda'): Bright pink, flat flowerheads over ferny green foliage. Shorter than most other Achilleas at about 50cm. Best in full sun, light soil.

Achillea 'Summerwine' (Yarrow 'Summerwine'): Bright, beaujolais wine red flat flowerheads over ferny foliage. Perfect for pollinators. Thrives in full sun and dry soil. Up to 90cm.

Achillea 'Terracotta' (Yarrow 'Terracotta'): A lovely, multi-hued variety opening warm orange and fading slowly to a rich cream. Full sun and light soil. Hardy. To 80cm

Achillea 'Walther Funcke' (Yarrow 'Walther Funcke'): Orange red flat flowerheads with gold centres over ferny green foliage. Great in light soils and sunny spots. Hardy. Up to 50cm. [Collect Only]

Achillea chrysocoma 'Grandiflora': A real statuesque perennial with tall stems of huge creamy white flowers. Finely divided leaves. Prefers a sunny spot. Hardy. Up to 1.8m.

Achillea filipendulina 'Gold Plate' (Yarrow 'Gold Plate'): Statuesque achillea with huge, flat gold flower heads above upright ferny foliage. A statement plant for dry, sunny borders. Hardy. To 1m.

Achillea millefolium 'Cerise Queen' (Yarrow 'Cerise Queen'): Flat umbels of tightly clustered deep pink flowers in summer and autumn. Height 60cm

Achillea millefolium 'Red Velvet' (Yarrow 'Red Velvet'): Superb ruby red flowers over ferny green foliage. Doesn't fade with age. In flower late June to Sept. Height to 60cm. [Collect Only]

Achillea ptarmica 'The Pearl' (Yarrow 'The Pearl): Tight buttons of white flowers, ferny grey/green foliage. Prefers full sun and light well-drained soil. Hardy. Up to 60cm.

Aconitum 'Stainless Steel' (Monkshood 'Stainless Steel'): Elegant, light steely grey hooded flowers over finely divided ferny foliage. Good in shade if not too dry. Hardy. Up to 1m. [Collect Only]

Aconitum carmichaelii 'Arendsii' (Monkshood 'Arendsii'): Tall spires of hooded rich blue flowers in late summer. Attractive foliage spring to autumn. To 1.5m. Hardy. [Collect Only]

Aconitum napellus (Monkshood): Dark blue hooded flowers over finely divided foliage. This Aconitum flowers early, in late spring/early summer. Height to 1.5m. Hardy.

Aconitum napellus 'Album' (White Monkshood): White hooded flowers over finely divided frondy foliage. A great plant for shade, even quite dry shade. Flowers at about 1.2m Hardy.

Aconitum napellus 'Schneewittchen' (Monkshood 'Schneewittchen'): An excellent pure white variety with white hooded flowers on sturdy spikes above finely divided foliage. Hardy. Up to 1.2m. [Collect Only]

Actaea matsumurae 'White Pearl' (Baneberry 'White Pearl' (Previously known as Cimicifuga)): Ferny, light green foliage all summer, arching spires of scented white flowers in autumn. Great in some shade. Hardy. Up to 1.5m [Collect Only]

Actaea pachypoda (white baneberry): Grown mainly for its pure white berries in autumn, each with a black 'eye' on a red stalk. Hardy. Up to 1m.

Actaea simplex 'Brunette' (Baneberry 'Brunette' (Previously known as Cimicifuga)): Spires of scented white flowers in late summer over very attractive ferny dark foliage. A superb plant in part shade. Hardy. Up to 1.5m [Collect Only]

Actaea simplex 'James Compton' (Baneberry 'James Compton' (Previously known as Cimicifuga)): Spires of scented palest pink flowers from pink buds in late summer. Dark purple-brown foliage. Hardy. To 2m [Collect Only]

Actaea simplex 'Pink Spike' (Baneberry 'Pink Spike' (Previously known as Cimicifuga)): Spires of scented pale pink flowers from pink buds in late summer. Reddish-brown foliage. [Collect Only]

Agastache 'After Eight' (Giant hyssop 'After Eight'): Bright blue flower spikes above dark green aromatic foliage. Very attractive to bees and butterflies. Hardy. Up to 50cm.

Agastache 'Blue Boa' (PBR) (giant hyssop 'Blue Boa'): Excellent new form of Agastache with much fatter spikes of vibrant purple-blue flowers, with aromatic foliage. Hardy. Up to 80cm.

Agastache 'Violet Vision' (PBR) (giant hyssop 'Violet Vision'): New variety of Agastache with violet pink flower spikes above aromatic green foliage, scented of aniseed. Hardy. Up to 60cm. [Collect Only]

Ajuga reptans (Bugle): Superb ground cover plant with purplish green leaves and blue flower spikes in summer. Very attractive to bees

Ajuga reptans 'Alba' (Bugle, white flowered): Superb ground cover plant with bright green leaves and white flower spikes in summer. Very attractive to bees

Ajuga reptans 'Rosea' (Bugle, pink flowered): Superb ground cover plant with bright green leaves and pink flower spikes in summer. Very attractive to bees [Collect Only]

Ajuga reptans Black Scallop = 'Binblasca' (PBR) (Bugle 'Black Scallop'): Shiny, darkest purple-red leaves look near black. Short spikes of blue flowers in summer.

Alchemilla alpina (Lady's mantle): A miniature Alchemilla with dainty, 5 lobed leaves and a froth of tiny green flowers in spring. Height to 10cm. Hardy

Alchemilla erythropoda (Dwarf Lady's Mantle): Compact form of familiar Lady's Mantle .Makes excellent ground cover in fairly sunny or semi-shaded spots. Hardy. Up to 20cm.

Allium senescens (German garlic/Broadleaved chives): Clusters of pale pink or white flowers, slender strappy leaves which don't die back when the plant is in flower

Amsonia tabernaemontana (Blue dogbane): Starry blue flowers on strong stems with willowy green leaves. Hardy. Up to 90cm.

Anemone 'Dreaming Swan' (PBR): Pure white flowers with lavender reverse. Hardy. To 60cm.

Anemone filisecta: Clump forming perennial with green ferny foliage and upright umbels of white single flowers. Up to 30cm. Hardy

Anemone hupehensis var. japonica 'Pamina' (Japanese Anemone 'Pamina'): Double, deep pink flowers in late summer into autumn. Hardy and reliable. To 90cm [Collect Only]

Anemone leveillei: Delicate white daisy-like flowers with lovely purple anthers and lilac backed. Foliage forms a mound of divided green leaves. Up to 45cm. [Collect Only]

Anemone nemorosa (Wood anemone): Low growing, pure white anemone which flowers in early spring. Hardy. To 10cm

Anemone nemorosa 'Allenii' (wood anemone 'Allenii'): Pale lavender blue flowers with pink on the reverse of petals and deeply divided foliage. Hardy. Up to 20cm.

Anemone sylvestris (Snowdrop anemone): Large pure white flowers over a mound of green ferny foliage. Hardy. Up to 30cm.

Anemone Wild Swan = 'Macane001': Pure white flowers with a blueish purple reverse. Flowers on and off all summer. Needs good moist soil. Hardy. To 50cm.

Anemone x hybrida 'Honorine Jobert' (Japanese Anemone 'Honorine Jobert'): Large white flowers flowering from late summer to autumn. Good in almost any soil, except wet. Fully hardy. To 1.2m [Collect Only]

Anemone x lesseri (Rose windflower): Reddish pink flowers above divided green ferny foliage. A very attractive plant. Flowering in early summer. Hardy. Up to 20cm.

Anemone x lipsiensis: Gorgeous lemon-yellow flowers over a carpet of filigree foliage in spring. To 10cm. Hardy

Anemonella thalictroides (Mayflower): Gorgeous little white flowers over dainty foliage. Hardy. To 20cm.

Angelica gigas: Magnificent plant with huge domes of purple flowers in summer, and attractive seed heads. Biennial/short-lived perennial. Up to 2m.

Anthemis 'Susanna Mitchell' (Dyer's chamomile 'Susanna Mitchell'): Creamy yellow flowers over silvery-green foliage. Can be in flower from late spring onwards.

Anthemis tinctoria 'E.C. Buxton' (Dyer's chamomile 'E.C. Buxton'): Masses of creamy lemon yellow flowers with gold eye over finely divided foliage. To 50cm. Hardy.

Anthemis tinctoria 'Lemon Ice' (Dyer's chamomile 'Lemon Ice'): Creamy daisy flowers with a deep yellow centre. Ferny greyish green foliage. Excellent in sunny, dryish spots. Up to 45cm [Collect Only]

Anthemis tinctoria 'Sauce Hollandaise' (Dyer's chamomile 'Sauce Hollandaise'): Lemon daisy flowers with a deep yellow centre. Excellent in sunny, dryish spots. Doesn't like wet soils. Hardy. Up to 50cm.

Anthriscus sylvestris 'Ravenswing' (Purple cow parsley): A dark leaved form of the common cow parsley. To 1.5m. Hardy. Tends to be biennial.

Aquilegia (Granny's bonnet. Columbine): Granny's Bonnet. Pretty flowers in spring with short, hooked spurs. Mixed colours. Max Height 80cm. Great in shade. Hardy. [Collect Only]

Aquilegia 'Crimson Star' (Granny's bonnet. Columbine 'Crimson Star'): Two-toned flowers with red sepals, long spurs and white inner petals, held on tall stems above attractive ferny foliage. Hardy. Up to 90cm.

Aquilegia chrysantha 'Yellow Queen' (Granny's bonnet. Columbine 'Yellow Queen'): Bright yellow, fragrant flowers with long spurs on tall stems above ferny foliage. Prefers some shade. Hardy. Up to 90cm.

Aquilegia McKana group (Granny's bonnet. Columbine): Large trumpet flowers with long spurs in lemon yellow and other pastel colours in late spring. Attractive to bees. Hardy. Up to 80cm.

Aquilegia vulgaris 'William Guiness' (Granny's bonnet. Columbine 'William Guiness'): A lovely form of the classic cottage garden plant. With deep-purple/ black outer petals and white inner petals above ferny green foliage. Hardy. Up to 75cm.

Aquilegia vulgaris var. stellata 'Black Barlow' (Granny's bonnet. Columbine 'Black Barlow'): Darkest red, almost black, double flowers in spring. Hardy. Height to 50cm

Arisaema flavum var abbreviatum: Small yellow flowers in spring, attractive green foliage and red berries in autumn. Great in shade, hardy and long lived. To 20cm.

Arum italicum subsp. italicum 'Marmoratum' (Arum italicum 'Pictum'): Large arrow shaped green leaves with white markings in winter, spikes of bright orange berries in autumn

Aruncus aethusifolius (Goat's beard): Lovely fresh ferny foliage which turn golden in the autumn. Spikes of creamy white flowers in early summer. Hardy. Up to 50cm.

Aruncus dioicus (Goat's beard): Stately plant for larger borders or feature plant. Deeply divided foliage, frothy panicles of creamy white flowers in summer. Hardy. Up to 2m. [Collect Only]

Asarum europaeum (Wild ginger): Glossy, deep green round leaves make the perfect carpet in shady areas.To 10cm. Hardy

Asclepias tuberosa (Butterfly flower): Vibrant bright orange flowers in summer and autumn, followed by fruit. Loved by butterflies. Prefers a sheltered spot. Up to 80cm.

Asphodelus aestivus (Summer asphodel): Tall, strong spikes of white flowers in early summer. Hardy but dislikes heavy soils in winter. Up to 1.5m

Aster 'Andenken an Alma Potschke' (Syn. Symphyotrichum novae-angliae 'Andenken an Alma Potschke'): Large sprays of bright pink flowers in autumn. Very reliable, easy to grow perennial. Hardy. Up to 1.2m.

Aster 'Little Carlow' (Syn. Symphyotrichum 'Little Carlow' (cordifolium hybrid)): Large sprays of small purplish blue flowers in autumn. Very reliable, easy to grow perennial. Hardy. Up to 1m.

Aster amellus 'King George' (Italian Aster 'King George'): Long-flowering, reliable Aster with violet-blue flowers in the autumn. Compact. Mildew-resistant. Bee-friendly. Hardy. Up to 45cm. [Collect Only]

Aster amellus 'Veilchenkonigin' (Italian Aster 'Veilchenkonigin'): Aster with large violet-blue flowers in the autumn and dark-green foliage. Compact. Bee-friendly. Hardy. Up to 40cm.

Aster divaricatus (White wood aster. Syn. Eurybia divaricata): Upright dark stems with a mass of small white starry flowers. Large, oval dark green mildew resistant leaves. Good for shade. Hardy. Up to 60cm. [Collect Only]

Aster ericoides 'Pink Cloud' (Syn. Symphyotrichum ericoides 'Pink Cloud): Clouds of pink daisy flowers with a yellow centre, slender leaves. Long flowering and mildew-resistant. Hardy. Up to 80cm.

Aster novae-angliae 'Harrington's Pink' (Syn. Symphyotrichum novae-angliae 'Harrington's Pink'): Fully double, almost fluffy pink flowers in late summer/early autumn. [Collect Only]

Aster novi-belgii 'Winston Churchill' (Syn. Symphyotrichum novi-belgii 'Winston Churchill'): Taller-flowering Aster with dark-pink semi-double flowers and yellow centre in the autumn. Bee-friendly. Hardy. Up to 80cm [Collect Only]

Aster x frikartii 'Monch': Soft lavender blue flowers in late summer.Very early flowering and shorter than many asters at about 80cm. Easy and reliable. Hardy.

Aster x frikartii 'Wunder von Stafa': Long-flowering Aster with light violet-blue flowers in autumn and dark foliage. Mildew-resistant. Bee-friendly. Hardy. Up to 70cm. AGM.

Astilbe 'Amethyst': Large, upright panicles of lilac-purple flowers in summer over green ferny foliage. Excellent for damp or shady spots. Hardy. Up to 80cm. [Collect Only]

Astilbe 'Delft Lace': Upright plumes of pink flowers on deep red stems in mid-summer. Lacy blue-green foliage. Excellent for damp or shady spots. [Collect Only]

Astilbe 'Ellie': Large, upright panicles of white flowers in mid-summer over dark green ferny foliage. Hardy. Up to 80cm. [Collect Only]

Astilbe 'Fanal': Large, upright panicles of deep red flowers in summer over dark green ferny foliage. Excellent for damp or shady spots. Hardy. Up to 60cm. [Collect Only]

Astilbe 'Flamingo': A new variety with arching flamingo-pink panicles and glossy dark green foliage. [Collect Only]

Astilbe 'Look at Me' (PBR): Stunning new variety with fluffy pink flowers and red flower stalks. Hardy. Height to 50cm. [Collect Only]

Astilbe 'Montgomery': Large, upright panicles of cherry red flowers in summer over dark green ferny foliage. Prefers a moist soil. Hardy. Up to 60cm. [Collect Only]

Astrantia major (greater masterwort): White/green pincushion flowers. Good for drying, I'm told! Great in sun/shade in soil that isn't too dry. Hardy. Up to 60cm. [Collect Only]

Astrantia major 'Sunningdale Variegated' (Hattie's pincushion, Masterwort 'Sunningdale Variegated'): White/green pincushion flowers on wiry stems over attractive variegated foliage. Hardy. Up to 60cm. [Collect Only]

Astrantia major Gill Richardson Group (Hattie's pincushion, Masterwort 'Gill Richardson'): Superb variety with cherry red flowers held above strong green foliage. Repeat flowers readily if dead-headed. Hardy. Up to 90cm.

Astrantia major subsp. involucrata (Hattie's pincushion, Masterwort): Longer than normal white bracts with green tips. Seed raised from the lovely plant by our nursery gate. Hardy. Up to 80cm.

Astrantia maxima (Largest masterwort): Two-tone pink/green, long-lasting, starry flowers. Best in a bit of shade and moist soil. Hardy. Up to 60cm.

Athyrium niponicum 'Red Beauty' (Japanese painted fern 'Red Beauty'): Deciduous fern with silvery green arching fronds with reddish-purple stems. Prefers a moist shady site. Hardy. Up to 50cm. [Collect Only]

Bergenia 'Bach' (Elephant's ears 'Bach'): Glossy, dark green foliage. Icy pink flowers with reddish stalks in late winter/spring. Neat and tidy plant.

Bergenia 'Bressingham White' (Elephant's ears 'Bressingham White'): Large evergreen leaves turn reddish hues in winter. Clusters of white, pink tinged flowers in late winter. Hardy. Up to 35cm. [Collect Only]

Bergenia 'Overture' (Elephant's ears 'Overture'): Vibrant magenta flowers over deep green leaves that turn claret in winter. Hardy. Up to 30cm.

Bergenia cordifolia (Elephant's ears): Our in-house variety with huge green leaves which have lovely pink tints in winter and pink flowers in early spring [Collect Only]

Bergenia cordifolia 'Vinterglod' (Elephant's ears 'Vinterglod' (Winterglow)): Dark, glossy green leaves, turning red in the winter. Dark red stems with dark pink bell-shaped flowers in Spring. Great ground-cover. [Collect Only]

Bletilla striata (Hyacinth orchid): Pink orchid flowers on arching stems and sword-like leaves in late spring. Frost-hardy, so needs a sheltered spot. Up to 20cm.

Bletilla striata alba (Hyacinth orchid white form): White orchid flowers on arching stems and sword-like leaves in late spring. Frost-hardy, so needs a sheltered spot. Up to 20cm.

Brunnera macrophylla (Siberian bugloss): Heart shaped green leaves, with sprays of palest blue flowers in spring. Good in shade. [Collect Only]

Brunnera macrophylla 'Alexander's Great' (PBR) (Siberian bugloss 'Alexander's Great'): Statement foliage plant for shade. Large, heart-shaped, silver leaves. Light-blue forget-me-not-like flowers in Spring. Hardy. Up to 40cm. [Collect Only]

Brunnera macrophylla 'Betty Bowring' (Siberian bugloss 'Betty Bowring'): Pure white forget-me-not flowers over heat-shaped green leaves. Hardy. To 30cm

Brunnera macrophylla 'Dawson's White' (Siberian bugloss 'Dawson's White'): Heart-shaped green leaves variably edged in creamy white with sprays of blue forget-me-not flowers in spring. Hardy. Up to 15cm.

Brunnera macrophylla 'Emerald Mist' (PBR) (Siberian bugloss 'Emerald Mist'): Large heart shaped leaves with silver banding. Long stems of pale blue forget-me-not flowers. Hardy. Up to 40cm. [Collect Only]

Brunnera macrophylla 'Hadspen Cream' (Siberian bugloss 'Hadspen Cream'): Large, heartshaped green leaves with wide cream margin. Sprays of forget-me-not blue flowers in spring. Hardy. Up to 45cm. [Collect Only]

Brunnera macrophylla 'Jack Frost' (PBR) (Siberian bugloss 'Jack Frost'): Large, heartshaped silver leaves with green veins and leaf edges. Sprays of forget-me-not blue flowers in spring.Shade-loving plant. Hardy. Up to 45cm. [Collect Only]

Brunnera macrophylla 'Jennifer' (Siberian bugloss 'Jennifer'): Sprays of bi-coloured blue and white forget-me-not-like flowers above green heart-shaped leaves. A great shade-loving plant. Hardy. Up to 45cm.

Brunnera macrophylla 'Looking Glass' (PBR) (Siberian bugloss 'Looking Glass'): Almost entirely silver leaves, faint green veins. Sprays of forget-me-not blue flowers in spring. Excellent in shade. Hardy. Up to 45cm.

Brunnera macrophylla 'Mister Morse' (PBR) (Siberian bugloss 'Mister Morse'): Heart shaped leaves with silver veins and a froth of tiny white flowers in spring. [Collect Only]

Brunnera macrophylla 'Sea Heart' (PBR) (Siberian bugloss 'Sea Heart'): Large heart-shaped leaves with strong silver colouration with green veins. Sprays of forget-me-not blue flowers. Hardy. Up to 30cm. [Collect Only]

Brunnera macrophylla 'Starry Eyes' (Siberian bugloss 'Starry Eyes'): Interesting new variety with starry white flowers edged in blue. Heart shaped green leaves.Hardy. Up to 30cm.

Brunnera macrophylla 'Variegata' (Siberian bugloss 'Variegata'): Large, heartshaped leaves with bold variegation. Sprays of forget-me-not blue flowers in spring. Superb shade plant. Hardy. Up to 45cm.

Calamagrostis emodensis: Stunning grass with fluffy arching flowerheads mid-summer with pinkish tones maturing to gold then creamy white by autumn. Full sun, well drained soil. Ht 60-120cm Sp 30-60cm

Calamagrostis x acutiflora 'Overdam' (Feather-reed grass 'Overdam'): Deciduous grass with upright clumps of narrow cream-striped leaves with stems of purplish flowers, which fade to blond through winter. Hardy. Up to 1.2m.

Calamintha nepeta 'Blue Cloud': Spikes of small, soft blue flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Calamintha nepeta 'White Cloud': Spikes of small white flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Camassia leichtlinii 'Semiplena' (Camass 'Semiplena'): Tall spikes of large creamy white double flowers in late spring. Height: to about 80cm. [Collect Only]

Campanula glomerata 'Alba' (White clustered bellflower): Tight clusters of white flowers on short stems above neat, mat-forming foliage. Height about 30cm. Hardy.

Campanula glomerata 'Caroline' (Clustered bellflower 'Caroline'): Tight clusters of lilac/purple flowers on short stems above neat, mat-forming foliage. Height about 30cm. Hardy.

Campanula glomerata 'Superba' (Clustered Bellflower 'Superba'): Upright stems topped with clusters of bell-shaped blue flowers held above a carpet of soft green leaves. Hardy. Up to 60cm.

Campanula Iridescent Bells = 'Iribella' (PBR) (Bellflower 'Iridescent Bells'): Purple buds open to silvery-lilac bells in summer. Prefers a moisture retentive soil. Height to 80cm. Hardy

Campanula lactiflora 'Alba' (Milky bellflower 'Alba'): Tall stems with clusters of pure white flowers in mid-summer. Ideal for filling out borders and adding height. Hardy. Up to 1.2m

Campanula lactiflora 'Loddon Anna' (Milky bellflower 'Loddon Anna'): Tall stems topped with clusters of palest pink flowers in mid-summer. Excellent for filling out a border and adding height. To 1.5m. Hardy. [Collect Only]

Campanula lactiflora 'Prichards Variety' (Milky bellflower 'Prichards Variety'): Clusters of warm blue flowers on tall stems in mid-summer. To 1.5m. Hardy.

Campanula persicifolia (Peach-leaved bellflower): Tall spikes of large, cup-shaped blue flowers over slender foliage in mid-summer. To 1.2m. Hardy

Campanula persicifolia var. alba (Peach-leaved bellflower white flowered): Pure white large rounded cups on upright stems. Height to 70cm. Hardy.

Campanula punctata f. rubriflora: Long-hanging bell-like flowers in dark pink on upright stems above clumps of green foliage. Stems are flushed in dark red. Hardy. Up to 50cm. [Collect Only]

Campanula takesimana 'Elizabeth' (Korean Bellflower): Upright stems with dark pink drooping large bells. Can be vigorous on good soil. May need some support. Bee-friendly. Hardy. Up to 70cm.

Cardamine quinquefolia: Light purple flowers emerge very early in spring, with attractive deeply divided leaves. Foliage dies down in summer.

Carex 'Silver Sceptre' (Sedge 'Silver Sceptre'): Evergreen clump-forming grass with green strappy leaves striped with white. Ideal for border edging and pots. Hardy. Up to 50cm.

Catananche caerulea 'Alba' (Cupid's Dart (White)): Papery white flowers above slender grey-green foliage. Flower heads retains attractive form through winter. To 60cm. Hardy

Catananche caerulea 'Major' (Cupid's dart 'Major'): Masses of papery blue flowers held on wiry stems all summer. Seed heads turn silver in late summer.

Centaurea 'Jordy' (Perennial cornflower 'Jordy'): Beautiful maroon-purple flowers over felty silvery-green foliage. [Collect Only]

Centaurea atropurpurea: Attractive deep-red, almost black thistle like flowers above silvery foliage. Good for bees and butterflies. Hardy. Up to 1m.

Centaurea macrocephala (Giant knapweed): Huge, bright yellow almost fluffy flowers in mid-summer follow attractive papery buds. Attractive to bees. Height to 1.5m. Hardy.

Centaurea montana (Perennial cornflower): Large blue flowers in early summer, repeated later in year if cut back. Very attractive to bees. To 50cm. Hardy

Centaurea montana 'Alba' (Perennial cornflower - white): Large white cornflower-like flowers over grey-green foliage. To 30cm. Hardy. [Collect Only]

Centranthus ruber 'Albus' (White Valerian): White panicles of white flowers in mid-late summer. Very easy, self-seeds. Perennial and hardy. To 60cm.

Centranthus ruber var. coccineus (Valerian dark red): Panicles of dark-red flowers in mid-summer, loved especially by butterflies. Classic cottage garden plant. Hardy. Up to 50cm.

Cephalaria gigantea (Giant scabious): Very tall wavy stems topped with large lemon yellow scabious-like flowers.Easy to grow. May need staking or support. Hardy. Up to 2m.

Chaerophyllum hirsutum 'Roseum' (Hairy chervil 'Roseum'): Flat heads of tiny pink flowers over finely cut green foliage. Long flowering from early summer. Informal and soft. Up to 50cm. Hardy.

Chasmanthium latifolium (Spangle grass): Deciduous perennial grass, with arching stems of flattened spikes. Bronze tints in Autumn. Moist, well-drained soil. Hardy. Up to 1m.

Chelonopsis moschata: A new introduction from Japan with tubular pink flowers. A shade lover. Hardy. Height to 40cm [Collect Only]

Cichorium intybus f. album (Chicory- white form): White flowered form of wild chicory. Tall stems, flat white flowers in late summer. Needs a bit of support. Hardy. Up to 2m.

Cichorium intybus f. roseum (Chicory- pink form): Pink flowered form of wild chicory. Tall stems, flat pink flowers in late summer. Up to 2m. Hardy. [Collect Only]

Cirsium rivulare 'Atropurpureum' (Brook thistle): Deep red thistle flowers held above typical thistley foliage. Very attractive to bees. Very good garden plant. To 1.2m. Hardy

Cirsium rivulare 'Frosted Magic' (Brook thistle 'Frosted Magic'): A brand new variety for 2016. White thistle flowers held above typical thistley foliage.To 1.2m. Hardy

Cirsium rivulare 'Trevor's Blue Wonder' (Brook thistle 'Trevor's Blue Wonder'): Not blue at all, I'm afraid, but a more purplish hued form of the more familiar deepest pink Cirsium rivulare 'Atropurpureum'. Hardy. To 1.5m

Convallaria majalis (Lily of the Valley): Scented white bells in spring, Great for spreading around in shade. [Collect Only]

Convallaria majalis 'Flore Pleno' (Lily of the Valley - double flowered): Scented double white bells in spring, Great for spreading around in shade. To 20cm. [Collect Only]

Convallaria majalis 'Hardwick Hall' (Lily of the Valley 'Hardwick Hall'): A form of lily of the valley with green leaves edged in yellow. Deliciously scented white flowers in spring. Hardy. Up to 25cm

Coreopsis verticillata (Tickseed): Golden yellow flowers held on fine stems above ferny foliage. More robust than it looks!

Coreopsis verticillata 'Grandiflora' (Tickseed 'Grandiflora'): Compact variety with bright and cheery golden yellow daisy-like flowers. Held on wiry stems. Hardy. Up to 60cm.

Cornus canadensis (creeping dogwood): Ground cover plant with white four petalled flowers in spring. Leaves turn brilliant red in autumn. Ideal under deciduous trees

Corydalis elata 'Blue Summit': Stunning electric blue flowers above pretty ferny foliage. Flowers have a coconut-like scent. Great for shady, moist soil. Hardy. Up to 30cm.

Crambe cordifolia: Huge sprays of white flowers over large, rhubarb-like leaves in early to mid-summer. Up to 1.5m. Hardy. [Collect Only]

Crocosmia 'Paul's Best Yellow': Arching sprays of golden yellow flowers in late summer. A vigorous grower. Fully hardy in well drained soils. To 1m

Crocosmia x crocosmiiflora 'Citronella': Bright sunny yellow funnel shaped flowers in late summer with sword shaped green foliage. A compact variety. Hardy. Up to 60cm.

Cynara cardunculus (Cardoon): Dramatic, tall silver leaved plant topped with large purple thistle flowers in mid-summer. Hardy. Up to 2.5m. [Collect Only]

Cynoglossum nervosum (Himalayan hound's tongue): Upright stems of clear blue flowers, like Forget-me-not, bright green hairy, lance-shaped leaves. Needs sun and well-drained soil. Hardy. Up to 60cm.

Darmera peltata (Umbrella plant): Arching sprays of pretty pink flowers in early spring above large ornamental leaves. [Collect Only]

Deschampsia cespitosa (Tufted hair grass): Summer flowering grass with airy silvery purple flower heads which keep their structure long into winter. Hardy. Up to 1.2m.

Dianthus 'Old Red Clove' (Pink 'Old Red Clove'): Dark red, almost purplish flowers with a classic old clove scent. Foliage blue/green.Hardy as anything in well drained soil. To 50cm. [Collect Only]

Dianthus anatolicus: Compact evergreen plant with dense mound of foliage and delicate pink flowers in the spring. Hardy. Up to 15cm.

Dianthus carthusianorum (German pink): Tall stems ending in clusters of bright pink flowers above mounds of green, grassy foliage. Prefers sunshine. Hardy. Up to 50cm.

Dicentra 'King of Hearts': Bright rose pendent flowers held above blue-green ferny foliage. Likes a sheltered spot in dappled shade, not too dry. Hardy. Up to 25cm.

Dierama 'Blackberry Bells' (Angel's Fishing Rod): Large bells of deep-purple maroon flowers held on tall, slender stems above grass-like foliage. Hardy. To 1.2m [Collect Only]

Dierama igneum (Angel's Fishing Rod): Dainty soft red flowers on arching stems. A short form reaching no more than 60cm [Collect Only]

Dierama pulcherrimum (Angel's Fishing Rod): Tall, wiry, arching stems with soft pink nodding bells. Lovely near water or over paths. To 1.5m.

Dierama trichorhizum (Angel's Fishing Rod): Dwarf form with drooping bell-like flowers in purple pink above grassy foliage. Well-drained soil that doesn't dry out. Hardy. Up to 15cm.

Dierama various colours (Angels Fishing Rod): Large bells of flowers held on tall, slender stems above grass-like foliage. Ranging in colours from white, pink and purple. [Collect Only]

Digitalis x mertonensis (Strawberry foxglove): Large, dusky pink flowers on sturdy spikes in mid-summer. Hardy. To 90cm.

Dodecatheon meadia (Shooting stars, American cowslip): Bright pink flowers in spring, swept back to reveal a yellow 'nose'. Hardy, but best grown in a sheltered spot. Up to 20cm.

Dodecatheon meadia f. album (Shooting stars, American cowslip): Pretty white flowers in spring, swept back to reveal a yellow 'nose'. Hardy, but best grown in a sheltered spot. Up to 20cm. [Collect Only]

Doronicum orientale (Leopard's bane): Bright yellow daisy flowers above fresh green foliage. A good early flower for the bees. Prefers partial shade. Hardy. Up to 60cm.

Dryopteris wallichiana (Alpine wood fern): A deciduous fern with hairy stems and green upright shuttlecock-like foliage. Shade-loving. Hardy. Up to 1m. [Collect Only]

Echinacea 'Hope' (Coneflower 'Hope'): Pastel pink daisy-like flowers with large orange central cone. Large blooms. Attractive to bees and butterflies.

Echinacea 'Kim's Knee High' (PBR) (Coneflower 'Kim's Knee High'): Large pink daisy flowers in late summer. Shorter than other varieties. To 50cm. Hardy in light soils.

Echinacea pallida (Pale purple coneflower): Long slender pale purple petals hang from a central cone. Very attractive to bees/butterflies. To 1.2m. Hardy.

Echinacea purpurea (Coneflower): Large rosy-purple daisy-like flowers with a large brown central cone. Very attractive to bees and butterflies. Long flowering season

Echinacea purpurea 'Fragrant Angel' (PBR) (Coneflower 'Fragrant Angel'): Large, palest pink (almost but not quite white) flowers with pointed petals. Fragrant and very attractive to butterflies. Height to 1.2m

Echinacea purpurea 'Green Twister' (Coneflower 'Green Twister'): A new variety with a unusual mix of purple and lime green flowers with upturned petals and a central dark cone. Hardy. Up to 60cm.

Echinacea purpurea 'Magnus Superior' (Coneflower 'Magnus Superior'): Superb form with tall stems of pink daisy flowers with a central brown cone. Prefers full sun and good drainage. Hardy. Up to 1m. [Collect Only]

Echinacea purpurea 'Rubinstern' (Coneflower 'Rubinstern'): Large pink flowers with a big golden central cone in late summer

Echinops bannaticus 'Blue Globe' (Globe thistle): Tall upright stems of bright blue globe flowers above clumps of spiny, grey-green leaves. Bee-friendly. Hardy. Up to 1.2m. [Collect Only]

Echinops bannaticus 'Taplow Blue' (Globe thistle): Tall stems of pale blue globe flowers, clumps of spiny, grey-green leaves with silver undersides. Bee-friendly. Hardy. Up to 1.5m. [Collect Only]

Echinops ritro (Globe Thistle): Blue globes held above stout grey green foliage. Attractive to bees. Likes well drained soil and plenty of sun. Hardy. Up to 1m. [Collect Only]

Echinops ritro 'Veitch's Blue' (Globe thistle): Dark blue spherical flower heads above attractive grey-green foliage. Loved by bees and butterflies. Hardy. Up to 1m [Collect Only]

Epilobium angustifolium 'Album' (White Rosebay Willowherb. Syn. Chamaerion angustifolium 'Album'): Slender spires of white flowers in late summer. To 1.8m. Hardy.

Epilobium angustifolium 'Stahl Rose' (Rosebay Willowherb. Syn. Chamaerion angustifolium 'Stahl Rose''): Slender spires of pale pink flowers in late summer. Spreads rapidly through underground runners. To 1m. Hardy. [Collect Only]

Epimedium 'Alabaster' (Barrenwort 'Alabaster'): Bright green, ovate leaves with contrasting delicate white star-like flowers on dark wiry stems. Shady ground cover. Hardy. Up to 20cm. [Collect Only]

Epimedium 'Amber Queen' (PBR) (Barrenwort 'Amber Queen'): Amber is the perfect description for the flower colour, held well about the leaves in mid-spring. Hardy. Up to 30cm. [Collect Only]

Epimedium 'Enchantress' (Barrenwort 'Enchantress'): Large toothed green leaves, evergreen with large pink flowers in the Spring. Leaves turn red in Autumn. To 30cm. Hardy. [Collect Only]

Epimedium grandiflorum 'Purple Pixie' (PBR) (Barrenwort 'Purple Pixie'): Unusual reddish-purple flowers with prominent white spurs, held on wiry stems above the heart-shaped leaves. Hardy. Up to 30cm.

Epimedium grandiflorum 'White Queen' (Barrenwort 'White Queen'): Among the largest and showiest of white flowered Epimediums. To 30cm. Hardy.

Epimedium perralderianum (Barrenwort): Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade

Epimedium pinnatum subsp colchicum (Barrenwort): Attractive, evergreen, spiny, green leaves with yellow flowers held above the foliage. Shady ground cover. Hardy. Up to 30cm. AGM.

Epimedium x perralchicum 'Frohnleiten' (Barrenwort 'Frohnleiten'): Heart-shaped leaves are bronze-tinted, wiry stems of yellow, star-like flowers in spring. Shady ground cover. Hardy. Up to 30cm.

Epimedium x rubrum (red barrenwort): Green heart shaped leaves tinged with red around the edges in spring. Small red flowers with yellow undersides. To 30cm. Hardy

Epimedium x warleyense (Barrenwort): Dainty orange flowers in spring with yellow centres. Great for shady areas. To 30cm. Hardy.

Epimedium x warleyense 'Orangekonigin' (Barrenwort 'Orangekonigin'): New variety with orange flowers in the spring. Flowers held above heart-shaped leaves. Shady ground cover. Hardy. Up to 30cm.

Epimedium x youngianum 'Niveum' (Barrenwort 'Niveum'): Dainty white flowers over heart-shaped green foliage To 30cm. Hardy. [Collect Only]

Erigeron 'Adria' (Fleabane 'Adria'): Mound forming perennial forming masses of semi-double purple flowers with central yellow disc. Hardy. Up to 60cm. [Collect Only]

Erigeron 'Dunkelste Aller' (Fleabane 'Darkest of all'): Large purple daisy flowers over a long season in summer. Great in sunny, dry borders. To 30cm. Hardy

Erigeron glaucus 'Sea Breeze' (Fleabane 'Sea Breeze'): Sun loving, pink daisy with fleshy evergreen leaves. Great for naturalising in rock walls, and dry border edges. To 20cm. Hardy.

Erinus alpinus 'Doktor Hahnle': Evergreen with small rosettes of green hairy leaves with short stems of purple-red starry flowers. Can tolerate shade. Hardy. Up to 10cm.

Eryngium ebracteatum var. poterioides: Tall and evergreen with attractive blue-green foliage and wiry stems of red-brown bobble-like flowers, Sanguisorba-like. Hardy. Up to 1.5m. [Collect Only]

Eryngium x zabelii 'Jos Eijking' (Sea Holly 'Jos Eijking'): Large steely blue bracts surround a dome of tiny blue flowers in summer. Long-lasting flowers.Thrives in a sunny,dry spot. To 70cm. Hardy. [Collect Only]

Eryngium x zabelii 'Violetta' (Sea Holly 'Violetta'): Deep dark-blue form of the Sea Holly with bracts surrounding a dome of tiny blue flowers. Thrives in sunny, dry gardens. Hardy. Up to 80cm. [Collect Only]

Erysimum 'Bowles Mauve' (Perennial wallflower): Ever popular perennial wallflower. Purple flowers above evergreen foliage in spring.

Erythronium 'Pagoda' (Dog's tooth violet): A real spring beauty with large lemon yellow flowers with swept back petals. [Collect Only]

Eupatorium cannabinum 'Flore Pleno' (Hemp agrimony double flowered): Large domes of double, warm pink flowers on tall stems. Stands well through winter and looks lovely in a hard frost. Hardy. Up to 1.8m. [Collect Only]

Eupatorium fistulosum 'Bartered Bride' (Joe Pye Weed 'Bartered Bride'): Tall, dramatic plant with large creamy white flowerheads in late summer. Good for back of borders. Attractive to bees. Hardy. Up to 2m.

Eupatorium maculatum 'Red Dwarf' (Joe Pye-weed 'Red Dwarf'): A shorter form of the more common variety, with domes of purplish red flowers in late summer. To 2m. Hardy

Euphorbia amygdaloides var. robbiae (Mrs Robb's bonnet): Great plant for difficult dry, shady areas. Evergreen dark-green leaves and vibrant lime-green flowers in spring. Suckers and can spread.

Euphorbia Blackbird = 'Nothowlee' (PBR) (Spurge 'Blackbird'): Dark green leaves which darken in full sun, perfectly offset with lime green flowers in early summer. Height to 40cm. Hardy [Collect Only]

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl'): Bold stems carrying green flowers with a distinctive black 'eye' in early summer. To 80cm. [Collect Only]

Euphorbia characias 'Glacier Blue' (PBR) (Spurge 'Glacier Blue'): Evergreen perennial with blue-green leaves and white margins. Green flowers surrounded by white bracts in Spring. Up to 60cm. Hardy. [Collect Only]

Euphorbia characias Silver Swan = 'Wilcott' (PBR) (Spurge 'Silver Swan'): A striking, variegated form with blue-green leaves edged in white. Green and white flowering bracts in late Spring.

Euphorbia characias subsp. wulfenii (Mediterranean spurge): Evergreen perennial with blue-green leaves and vibrant lime-green flowers in early summer. Prefers full sun. Hardy to about -10C, but not for long periods. Up to 1.2m. [Collect Only]

Euphorbia griffithii 'Fireglow' (Spurge): Bright orange/red flower bracts in early summer. Vibrant red late summer foliage. Fully hardy. To 80cm. [Collect Only]

Euphorbia palustris (Marsh spurge): Bright acid green bracts in spring. Height to 90cm. Hardy. [Collect Only]

Euphorbia polychroma (Many-coloured spurge, Syn. Euphorbia epithymoides): Bright, acid-green bracts in spring. Forms neat mound at front of border. To 30cm. Hardy

Festuca amethystina: Evergreen grass with elegant, dusky purple arching flower stalks very early in season, for a grass.

Filipendula 'Red Umbrellas' (Meadowsweet 'Red Umbrellas'): Green leaves, deeply veined with crimson, with clouds of fluffy pink flowers. Compact variety. Prefers a moist soil. Hardy. Up to 70cm.

Fragaria x ananassa 'Red Ruby' (PBR) (Deep pink flowered strawberry): An ornamental strawberry plant with dark pink flowers from spring to autumn. Good ground cover [Collect Only]

Fragaria x ananassa Pink Panda = 'Frel' (PBR) (Pink flowered strawberry): Exactly like a small strawberry plant, except that the flowers are pink. Very attractive ground cover, berries are edible. Height to 20cm. Hardy. [Collect Only]

Francoa sonchifolia (Bridal wreath): Spires of pale pink flowers over semi-evergreen, pinkish-green foliage.

Gaura lindheimeri 'Siskiyou Pink': A lovely airy perennial with long spikes of pink flowers. Long flowering. Best in full sun, in well drained soil and a sheltered spot. [Collect Only]

Gaura lindheimeri 'The Bride': Beautiful airy stems of white flowers in mid to late summer

Gaura lindheimeri 'Whirling Butterflies': Airy stems of white flowers from pink buds, flowering in midsummer. Best in full sun, in well drained soil and a sheltered spot. Up to 1m. [Collect Only]

Gaura lindheimeri Rosyjane = 'Harrosy' (PBR) (Gaura 'Rosyjane'): Airy sprays of pink flowers with a white petal centre. Perennial, but dislikes winter wet and doesn't thrive outdoors in cold areas. To 80cm.

Geranium 'Alan Mayes' (Cranesbill 'Alan Mayes'): Long flowering geranium with bright blue flowers with purple veining. Clumps of hairy green leaves, turning red in autumn. Hardy. Up to 45cm. [Collect Only]

Geranium 'Ann Folkard' (Cranesbill 'Ann Folkhard'): Magenta flowers with black eye on long trailing stems. Yellowish green leaves. To 1.2m. Hardy

Geranium 'Anne Thomson' (Cranesbill 'Anne Thomson'): Large magenta flowers over bright gold/green foliage. Height to 60cm. Fully hardy.

Geranium 'Blue Cloud' (Cranesbill 'Blue Cloud'): Tall cultivar with pale blue flowers & dark purple veining above deeply divided green leaves. Long-flowering. Hardy. Up to 90cm.

Geranium 'Bob's Blunder' (Cranesbill 'Bob's Blunder'): Bright pink, small flowers over a spreading mat of soft, bronzy flowers.

Geranium 'Brookside' (Cranesbill 'Brookside'): A reliable, robust variety with large rich blue flowers over a mound of deeply divided leaves. Height to 45cm. Hardy

Geranium 'Dusky Crug' (Cranesbill 'Dusky Crug'): Neat mounds of chocolatey brown foliage with sugar pink flowers in mid-summer. Needs good drainage. Hardy. Up to 30cm.

Geranium 'Ivan' (Cranesbill 'Ivan'): Vibrant magenta-pink flowers with a dark black centre above yellow green leaves. Leaves turn red in autumn. Hardy. Up to 50cm.

Geranium 'Little David' (Cranesbill 'Little David'): A low-growing compact geranium with vibrant magenta pink flowers held above deeply divided foliage. Prefers a sunny spot. Hardy. Up to 20cm. [Collect Only]

Geranium 'Nimbus' (Cranesbill 'Nimbus'): Makes medium sized domes of finely divided foliage smothered in purplish blue flowers in early summer. To 50cm. Hardy

Geranium 'Orion' (Cranesbill 'Orion'): A dome of deeply divided foliage, smothered in large blue flowers from early summer onwards [Collect Only]

Geranium 'Red Admiral' (Cranesbill 'Red Admiral'): A compact, cultivar with masses of magenta pink flowers and black veining above green deeply divided foliage. Hardy. Up to 60cm.

Geranium 'Sirak' (Cranesbill 'Sirak'): Large, trumpet shaped glowing pink flowers for a long period from May to August. Fully hardy. Height to 60cm.

Geranium Dreamland = 'Bremdream' (PBR) (Geranium 'Dreamland'): Pale pink flowers with darker pink veins above attractive bright green foliage. Long flowering. Hardy. Up to 40cm.

Geranium himalayense 'Baby Blue' (Cranesbill 'Baby Blue'): Large blue cup shaped flowers with purple veining. Spreading habit, forming a carpet of deeply divided leaves. Hardy. Up to 30cm.

Geranium himalayense 'Derrick Cook' (Cranesbill 'Derrick Cook'): Large white flowers with delicate purple veining above a clump of bright green leaves. Foliage turns red in autumn. To 35cm. Hardy. [Collect Only]

Geranium macrorrhizum 'Album' (Rock cranesbill 'Album'): Superb ground cover Geranium especially for dry shade. White flowers with definite hint of pink. Aromatic foliage. Hardy. To 30cm.

Geranium macrorrhizum 'White Ness' (Cranesbill 'White Ness'): Pure white flowers over aromatic, bright green, evergreen foliage. Good groundcover in shade. Hardy. Up to 50cm.

Geranium maculatum 'Album' (white spotted cranesbill): Clean white flowers over neat foliage. Great for establishing under trees and in shady areas. [Collect Only]

Geranium maculatum 'Elizabeth Ann' (PBR) (Spotted cranesbill 'Elizabeth Ann'): Pink flowers over dark, almost wine red leaves. Fully hardy. Height to 40cm.

Geranium maculatum 'Espresso' (Spotted cranesbill 'Espresso'): Lilac flowers over dusky purplish brown foliage

Geranium maculatum 'Vickie Lynn' (Spotted cranesbill 'Vickie Lynn'): Pale lavender flowers above a clump of fresh green divided leaves. Prefers soil that doesn't dry out in summer. Hardy. Up to 45cm.

Geranium nodosum (Knotted cranesbill): Fast spreading hardy geranium with purplish pink flowers over a long season in summer. A great gap filler. Up to 50cm.

Geranium Orkney Cherry = 'Bremerry' (PBR) (Cranesbill 'Orkney Cherry'): Masses of small vivid pink flowers over a neat mound of bronzy green foliage. Height to 25cm. Hardy

Geranium palmatum: Bright pink flowers held on wiry stems above rosettes of evergreen foliage

Geranium phaeum 'Album' (Dusky cranesbill 'Album'): Clean white flowers held above bright green foliage. Excellent in shade. Spreading habit. Hardy. Height to 60cm.

Geranium pratense 'Cloud Nine' (Meadow cranesbill 'Cloud Nine'): An attractive double form of the familiar meadow cranesbill with lovely soft blue flowers. Strong growing. Hardy. Up to 90cm. [Collect Only]

Geranium pratense 'Dark Reiter' (Meadow cranesbill 'Dark Reiter'): Dark purple/bronze leaves with single purple flowers in mid-summer. To 40cm. Hardy [Collect Only]

Geranium pratense 'Mrs Kendall Clark' (Meadow cranesbill 'Mrs Kendall Clark'): Palest purpley/grey flowers, makes a good mound of foliage. Hardy. To 40cm.

Geranium pratense 'Striatum' (SPLISH SPLASH) (Meadow cranesbill 'Splish Splash'): Classic white cranesbill type flower mottled with purple streaks. To 60cm. Hardy.

Geranium pratense var. pratense f. albiflorum 'Laura' (PBR) (Meadow cranesbill 'Laura'): An attractive double form of the familiar meadow cranesbill with lovely pure white flowers. Strong growing. Hardy. Up to 70cm. [Collect Only]

Geranium psilostemon (Armenian cranesbill): Big magenta flowers with shiny black eye. Tall and vigorous. To 1.2m. Hardy.

Geranium Rozanne = 'Gerwat' (PBR) (Geranium 'Rozanne'): Noted for its large blue, white centred flowers and very long flowering period. A fine border geranium. Doesn't run. To 30cm. Hardy

Geranium sanguineum 'Album' (Bloody cranesbill 'Album'): Pure white flowers over a mat of dark green leaves. Height to 20cm. Fully hardy.

Geranium sanguineum 'Ankum's Pride' (Bloody cranesbill 'Ankum's Pride'): A low-growing geranium with rose pink flowers with darker veins, above a mat of divided foliage. Hardy. Up to 15cm.

Geranium sanguineum 'Cedric Morris' (Bloody cranesbill 'Cedric Morris'): A low-growing geranium with bright magenta pink flowers, above a mat of divided foliage. Good for the front of borders. Hardy. Up to 30cm.

Geranium sanguineum 'Max Frei' (Bloody cranesbill 'Max Frei'): Neat mounds of bright pink flowers over dense, semi-evergreen foliage.

Geranium sanguineum 'New Hampshire Purple' (Bloody cranesbill 'New Hampshire Purple'): A low-growing with dark purple-pink flowers, above a mat of divided foliage. Good autumn colour. Hardy. Up to 15cm.

Geranium sanguineum 'Tiny Monster' (Bloody cranesbill 'Tiny Monster'): A low-growing geranium with vibrant pink flowers with dark veins, with deeply divided foliage. Good ground cover. Hardy. Up to 30cm.

Geranium sanguineum var. striatum (Striped bloody cranesbill): Really pretty palest pink flowers with darker pink veins. Forms low growing mats or mounds.

Geranium sylvaticum 'Album' (Wood cranesbill): Upright stems of white saucer-shaped flowers above deeply divided leaves. Prefers moist shadier spots. Hardy. Up to 70cm.

Geranium sylvaticum 'Mayflower' (Wood cranesbill 'Mayflower'): Tall variety of geranium with erect stems of violet-purple flowers with a white centre, above deeply divided leaves. Hardy. Up to 75cm.

Geranium wlassovianum: Warm purple flowers over attractive velvety foliage. Excellent autumn foliage colour.

Geranium x cantabrigiense 'Biokovo' (Cranesbill 'Biokovo'): Pale pink flowers with deep pink stamens above a low growing mat of small, aromatic, near-evergreen leaves. Hardy. Up to 20cm.

Geranium x cantabrigiense 'Westray' (PBR) (Cranesbill 'Westray'): Bright pink flowers on a low mound of small, near-evergreen leaves, red-flushed in late summer. To 20cm. Hardy

Geranium x magnificum (Purple cranesbill): Covered in a mass of rich, violet-blue flowers in early summer. Large, slightly felty leaves. Vigorous but a short flowering season. Up to 70cm.

Geum 'Bell Bank' (Avens 'Bell Bank'): Large coral pink flowers over a rosette of crinkled leaves.

Geum 'Flames of Passion' (PBR) (Avens 'Flames of Passion'): Arching stems of double warm red flowers in summer. To 40cm. Hardy

Geum 'Georgenberg' (Avens 'Georgenburg'): Gold flowers held atop reddish stems in early to mid-summer. To 30cm. Hardy

Geum 'Lemon Drops' (Avens 'Lemon Drops'): Primrose yellow flowers, semi-evergreen foliage. To 50cm. Hardy and reliable.

Geum 'Mai Tai' (PBR) (Avens 'Mai Tai'): Semi-double, pale apricot flowers above green foliage. Long-flowering. Hardy. Up to 45cm.

Geum 'Mrs Bradshaw' (Avens 'Mrs Bradshaw'): Large double crimson-orange flowers in early-summer - a very eye-catching plant. Height to 70cm. Hardy

Geum 'Prinses Juliana' (Avens 'Prinses Juliana'): Bright orange flowers held on tall stems above mounds of rounded foliage. Flowers for ages and reflowers when cut back. [Collect Only]

Geum 'Red Wings' (Avens 'Red Wings'): Vibrant semi-double red flowers held on tall stems above rosettes of rounded hairy leaves. Hardy. Up to 50cm.

Geum 'Savannah Sunset' (Avens 'Savannah Sunset'): Apricot, semi-double flowers with red buds held on red stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 35cm.

Geum 'Scarlet Tempest' (PBR) (Avens 'Scarlet Tempest'): Scarlet, semi-double flowers held on tall stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 50cm.

Geum 'Stacey's Sunrise' (Avens 'Stacey's Sunrise'): Pale yellow flowers on compact stems above rosettes of rounded hairy leaves. Semi-evergreen. Long flowering. Hardy. Up to 30cm.

Geum 'Totally Tangerine' (PBR) (Avens 'Totally Tangerine'): Lovely single-flowered bright orange flowers held on erect stems above mounds of green foliage. Hardy. Up to 60cm.

Geum rivale 'Leonards Variety' (Avens 'Leonards Variety'): Coppery- rose flowers held above rosettes of rounded, softly hairy foliage. To 40cm. Hardy [Collect Only]

Gillenia trifoliata (Bowman's root): Lovely plant with starry white flowers held high over elegant foliage. Great in light shade. Hardy. [Collect Only]

Hakonechloa macra (Japanese Flowing Grass): Mounds of arching green leaves that just touch the ground. A wonderful shade lover grown for its elegant flowing form.

Hakonechloa macra 'Aureola' (Golden Japanese Flowing Grass): Superb grass with subtle gold/green strips which forms a neat mound.

Helenium 'Kanaria' (Sneezeweed 'Kanaria'): Masses of clear lemon yellow flowers with swept back petals and central mustardy-gold dome.

Helenium 'Loysder Wieck' (Sneezeweed 'Loysder Wieck'): Unusual variety with distinct quilled petals in multiple shades of dark red, orange and browns. Central dark brown cone. Hardy. Up to 90cm

Helenium 'Mardi Gras' (Sneezeweed 'Mardi Gras'): Bright orange petals, splashed with yellow and brown central cone in late summer. Long flowering if cut back flowered stems.

Helenium 'Moerheim Beauty' (Sneezeweed 'Moerheim Beauty'): Brilliant coppery-red flowers with swept back petals and a central chocolate boss in late summer. To 1.2m.

Helenium 'Sahins Early Flowerer' (Sneezeweed 'Sahins Early Flowerer'): Orange and gold streaked flowers with swept back petals and central bronze boss in late summer. To 1.4m. Hardy.

Helenium 'Wyndley' (Sneezeweed 'Wyndley'): Tall stems of yellow daisy-like flowers with brown central cone. Superb late summer perennial, attractive to bees. Hardy. Up to 90cm.

Helenium autumnale 'Fuego' (PBR) (Sneezeweed 'Fuego'): More compact variety with vibrant orange-red flowers with yellow round the centre and brown central disc. Hardy. Up to 50cm. [Collect Only]

Helianthus 'Capenoch Star' (Perennial sunflower 'Capenoch Star'): A superb form of perennial sunflower with tall stems of cheery yellow flowers with pompom-like centres. Hardy. Up to 1.5m.

Helianthus 'Lemon Queen' (Perennial sunflower): Strong and tall perennial sunflower with pale yellow flowers. Good for cut-flowers. Late summer colour. Hardy. Up to 2m.

Helictotrichon sempervirens (Blue oat grass): Very elegant blue-green grass which flowers early in the season, usually in late May.

Helleborus niger (Christmas Rose): Pure white flowers in midwinter, evergreen foliage.

Helleborus x sternii (Stern's hybrid hellebore): Evergreen perennial with blue-green leaves, purple stems and pale green bowl shaped flowers. Needs a sheltered spot. Up to 35cm.

Hemerocallis 'Corky' (Daylily 'Corky'): Slender yellow trumpets with mahogany stripe on back. Flowers held high on black stems above fine foliage. Superb plant. To 60cm. Hardy

Hemerocallis 'Happy Returns' (Daylily 'Happy Returns'): Compact daylily with cheery lemon yellow flowers. Very free flowering, ideal for a sunny spot. To 40cm. Hardy. [Collect Only]

Hemerocallis 'Night Embers' (Day Lily 'Night Embers'): Large double red flowers with ruffled petals and a white edging, grass-like, strappy green foliage. Hardy. Up to 75cm. [Collect Only]

Hemerocallis 'Sammy Russell' (Day lily 'Sammy Russell'): Rich, bronzey-red flowers in mid-summer over strappy foliage.

Hemerocallis 'Stafford' (Day lily 'Stafford'): Large, velvety red flowers with a gold throat in mid-late summer. Height to 70cm. Hardy. [Collect Only]

Hemerocallis 'Stella de Oro' (Day Lily 'Stella de Oro'): Pale yellow fragrant flowers with a darker yellow throat. Grass-like green foliage. Hardy. Up to 50cm.

Hemerocallis 'Summer Wine' (Day Lily 'Summer Wine'): A clump-forming perennial with handsome, sword-shaped, arching leaves. Large maroon-red flowers in summer. Hardy. Up to 60cm [Collect Only]

Hemerocallis citrina (Long yellow day lily): Fragrant lemon, yellow lily flowers on long stems above green strappy foliage. Flowers open in evening. Hardy. Up to 1.2m.

Hepatica nobilis: Pretty bowl shaped blue flowers in early spring.

Hesperantha coccinea (Kaffir Lily. Syn. Schizostylis coccinea): Coral red flowers on slender stems in late summer

Heuchera 'Midnight Rose' (PBR): Darkest purple leaves, splashed with bright pink. Excellent for all year round foliage colour. Hardy. Up to 30cm. [Collect Only]

Heuchera 'Obsidian' (PBR): Darkest purple leaves, almost black and glossy. Superb in pots - imagine it in a silver one!.

Heuchera 'Paris': Green leaves, attractive silver markings and coral red flower spikes in mid summer. All-round attractive plant [Collect Only]

Heuchera 'Silver Scrolls': Maroon leaves heavily overlaid with silver. [Collect Only]

Heuchera 'Venus': HIghly silvered leaves with pleasing green and pink veins. Spikes of creamy white flowers in summer. To 30cm. Hardy [Collect Only]

Hosta 'Devon Green': Elegant hosta with tapering, dark green, fine-veined leaves. Lilac flowers in summer [Collect Only]

Hosta 'Empress Wu' (PBR): One of the largest leaved Hostas in cultivation - possibly the largest. Leaves up to 18" across when established. [Collect Only]

Hosta 'Francee': Attractive variety with large heart-shaped leaves with a prominent white margin to the leaves. Lavender purple flowers. Hardy. Up to 60cm.

Hosta 'One Man's Treasure': Bright green shiny leaves, distinctive red tinge to leaf stems.

Hosta 'Patriot': Large green leaves cleanly edged in white. Lilac flowers in summer. To 50cm. Hardy.

Hosta 'Praying Hands': Very upright, rippled leaves. Leaves are green, narrowly edged in white and curl up. Lilac flowers in summer. Hardy. Up to 40cm. AGM.

Hosta 'Snake Eyes': Large hosta variety with dark green leaves with gold centre and white streaking. Tall spikes of lilac flowers. Hardy. Up to 60cm. [Collect Only]

Hosta 'Sum and Substance': Large, bright green leaves. lavender flowers, good in shade or sun. Hardy. To 60cm high and wide.

Inula hookeri: Bold heads of golden yellow flowers with hundreds of long petals. A good border filler. Butterflies love it! To 60cm. Hardy. [Collect Only]

Iris 'Langport Wren': Sword-shaped glaucous green leaves and stems of up to 4 flowers, with rich reddish-purple and deep maroon almost brown flowers. [Collect Only]

Iris ensata 'Light at Dawn' (Japanese iris): Large, white, very open, almost flat flowers with purple picotee edging. Height to 90cm. Hardy.

Iris siberica 'Moon Silk' (Siberian Iris 'Moon Silk'): Lovely pale-yellow flowers with whiter petal tips over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 1m. [Collect Only]

Iris sibirica 'Gull's Wing' (Siberian Iris 'Gull's Wing'): Pure white flowers with a greeny yellow throat, over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 1m. [Collect Only]

Iris sibirica 'Silver Edge' (Siberian Iris 'Silver Edge'): Rich purple flowers with a fine silver picotee petal edge. [Collect Only]

Kalimeris yomena 'Shogun' (Japanese Aster): Lavender, daisy flowers above attractive variegated leaves. Flowering late summer. Prefers full sun/moist soil. Hardy. Up to 60cm.

Kirengeshoma palmata (Koreana Group) (Yellow wax bells): Yellow waxy flowers hang over palmate foliage. A shade lover. To 80cm. Hardy

Knautia macedonica (Macedonian scabious): Lovely dark pink, scabious-like flowers from early to late summer.

Lamium maculatum 'Pink Pewter' (Spotted deadnettle 'Pink Pewter'): A low ground cover plant with silvery heart-shaped leaves and short stems of pink flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lamium maculatum 'White Nancy' (Spotted dead nettle 'White Nancy'): A low ground cover plant with silvery heart-shaped leaves and short stems of white flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lamium orvala: A woodland perennial with large, crushed strawberry colour, lipped flowers in early summer. Hardy. Up to 50cm.

Lamium orvala 'Album': A woodland perennial with large, white, lipped flowers in late spring. Hardy. Up to 50cm. [Collect Only]

Lamprocapnos spectabilis (Bleeding Heart, Dicentra): Arching stems with hanging, heart shaped pink flowers. A spring classic. [Collect Only]

Lamprocapnos spectabilis 'Alba' (formerly Dicentra) (Bleeding Heart, Dicentra): Pure white form of the familiar Bleeding Heart. [Collect Only]

Lamprocapnos spectabilis 'Valentine' (Bleeding Heart, Dicentra): Superb warm red flowered version of this familiar spring flowerer. Hardy. Up to 80cm. [Collect Only]

Lathyrus vernus (Spring pea): Two-tone purple and pink pea-like flowers in early spring. Thrives in shade, even quite dry shade. To 30cm. Hardy.

Lathyrus vernus 'Alboroseus' (Spring pea): Two-tone pink/white pea-like flowers in early spring. Very pretty perennial which forms neat clumps. Thrives in shade.

Leucanthemella serotina: Very late flowering perennial, tall white flowers with ochre centres in October. Hardy. Up to 1.4m.

Leucanthemum x superbum 'Aglaia' (Shasta Daisy 'Aglaia'): Double, frilly white flowers in late summer and autumn. Glossy green foliage. Fully hardy, dislikes soggy soils. Height to 50cm

Leucanthemum x superbum 'Becky' (Shasta daisy 'Becky'): Shasta daisy with clean white flowers with golden centre. Long flowering season. Ideal for sunny border. Hardy. Up to 1m. [Collect Only]

Leucanthemum x superbum 'Old Court Variety' (Shasta Daisy 'Old Court Variety'): Lovely old variety with feathery white petals around a bright yellow centre. Long flowering season Height 80cm. Hardy. [Collect Only]

Leucanthemum x superbum 'Sonnenschein' (Shasta daisy 'Sonnenschein'): Shasta daisy with pale yellow flowers with golden centre. Excellent for cutting. Long flowering season. Hardy. Up to 90cm [Collect Only]

Liatris spicata 'Alba': Spikes of white flowers in mid to late summer. Very useful vertical accent. Bees adore it. To 80cm. Hardy

Liatris spicata 'Kobold' (Gayfeather 'Kobold'): Plump spikes of purple flowers in mid to late summer. Likes dryish soil in a sunny spot. To 80cm. Hardy [Collect Only]

Libertia grandiflora (Libertia): Starry white flowers above stiff, slender strappy green foliage. To 90cm.

Ligularia 'The Rocket' (Leopard plant 'The Rocket'): Dramatic spikes of yellow flowers on black stems over very large green toothed leaves [Collect Only]

Ligularia dentata 'Desdemona' (Leopard plant 'Desdemona'): Large orange daisy-like flowers over rounded greeny-bronze foliage with purple undersides. To 1m. Hardy.

Ligularia przewalskii: Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage. [Collect Only]

Ligusticum scoticum (Scottish Lovage): Native plant with white umbels above mound of green leaves. Celery like leaves. Up to 60cm. Hardy

Limonium platyphyllum (Broad leaved Statice): A froth of tiny lavender blue flowers on stiff stems in mid-summer. Likes a dry sunny spot. To 60cm.

Limonium platyphyllum 'Violetta' (Broad leaved Statice 'Violetta'): A froth of tiny purple flowers in mid-summer on stiff stems. To 60cm. Hardy.

Liriope muscari (Blue turf lily): Spikes of vibrant purple flowers in autumn, evergreen strappy foliage. Hardy. To 30cm. [Collect Only]

Liriope muscari 'Big Blue' (Blue turf lily 'Big Blue'): Spikes of vibrant purple flowers in autumn, larger than the usual form, evergreen strappy foliage. Good for dry shade. Hardy. Up to 50cm

Liriope muscari 'Monroe White' (Blue turf lily 'Monroe White'): Spikes of pure white flowers in autumn, evergreen strappy grass-like foliage. Prefers a shady spot. Hardy. Up to 30cm.

Liriope muscari 'Okina' (Blue turf lily 'Okina'): Unusual bleached white strappy foliage, speckled green with age. Spikes of vibrant purple flowers in autumn, black berries. Hardy

Lobelia cardinalis 'Queen Victoria' (Cardinal flower 'Queen Victoria'): Upright spikes of red leaves, topped with scarlet flowers. A perennial, but can be short lived. to 80cm. Hardy.

Lobelia cardinalis 'Russian Princess' (Cardinal flower 'Russian Princess'): Upright spikes of red leaves, topped with fuchsia pink flowers.

Lobelia siphilitica (Blue cardinal flower): Tall spikes of clear blue flowers and bright green lance-shaped leaves. Needs a soil which doesn't dry out. Hardy. Up to 90cm.

Lobelia x speciosa 'Hadspen Purple' (PBR): Dramatic spikes of purple flowers in late summer, above lance-shaped purple flushed leaves. Needs damp soil in summer. Hardy. Up to 60cm. [Collect Only]

Lobelia x speciosa 'Tania': Dramatic spikes of brightest pink flowers in late summer.

Lobelia x speciosa 'Vedrariensis': Dramatic spikes of royal purple flowers in late summer. Needs damp soil in summer so is ideal for bog gardens. Height to 1.2m. Hardy

Lunaria rediviva (Perennial Honesty): Perennial form of the familiar honesty, with white flowers and elegant pointed seed pods. Fully hardy. Height to 1m.

Lupinus 'Chandelier' (Lupin 'Chandelier' (Band of Nobles Series)): Tightly packed spires of creamy yellow flowers in midsummer. Long flowering. Hardy. Up to 1m. [Collect Only]

Lupinus 'The Governor' (Lupin 'The Governor' (Band of Nobles Series)): Tightly packed spires of blue and white flowers in midsummer. Long flowering. Hardy. Up to 90cm.

Lupinus 'The Page' (Lupin 'The Page' (Band of Nobles Series)): Tall spires of bright red flowers in midsummer. Cottage garden favourite. Hardy. Up to 1m. [Collect Only]

Lychnis chalcedonica (Maltese cross): Domes of bright scarlet flowers with four petals, hence its common name. Excellent for adding height and bright colour in summer borders

Lychnis flos-cuculi Jenny = 'Lychjen' (PBR) (Ragged Robin 'Jenny'): A lovely double, bright pink form of our native Ragged Robin [Collect Only]

Lychnis x arkwrightii 'Vesuvius': Striking perennial with bronze-green leaves and vibrant orange-red star-shaped flowers with notched petals. Hardy. Up to 45cm. [Collect Only]

Lysimachia barystachys (White Loosestrife): Upright spikes of white flowers in late summer. Vigorous and very attractive to bees and butterflies. To 1m. Hardy

Lysimachia clethroides (Gooseneck Loosestrife): Spikes of white flowers arch over and tip up again, like a goose or swan neck. To 1m. Hardy

Lythrum salicaria 'Blush' (Loosestrife 'Blush'): Tapering, sturdy spikes of soft pink flowers in mid to late summer. To 1.2m. Hardy [Collect Only]

Lythrum salicaria 'Feuerkerze' (Loosestrife 'Firecandle'): Tapering, sturdy spikes of bright pink flowers in mid to late summer. To 1.2m. Hardy

Lythrum virgatum 'Dropmore Purple' (Wand loosestrife 'Dropmore Purple'): Upright spikes of purple-pink flowers in the mid-summer with lance-like foliage. Prefers a moist soil. Hardy. Up to 1m.

Lythrum virgatum 'The Rocket' (Wand loosestrife 'The Rocket'): Slender upright spires of deep pink flowers from early to late summer. Likes moist conditions. Hardy. Up to 90cm.

Maianthemum bifolium (False lily of the valley): Shade-loving spreading perennial. Pairs of glossy oval leaves. Like a mini-hosta. Spikes of white star-shaped flowers. Hardy. Up to 10cm.

Maianthemum racemosum (False solomon's seal. Syn. Smilacena racemosa): Arching sprays of white flowers with bold, oval green foliage. A fine woodland plant, especially if soil is not too dry. To 90cm. Hardy. [Collect Only]

Melica altissmima 'Alba': Deciduous grass with green strappy leaves and delicate sprays of white flowers. Very tactile plant. Hardy. Up to 90cm.

Milium effusum 'Aureum' (Bowles's golden grass): Semi-evergreen grass with bright golden foliage with delicate golden flowers in the summer. Prefers partial shade. Hardy. Up to 50cm. [Collect Only]

Miscanthus sinensis 'Ferner Osten': Clumps of narrow arching leaves and tall stems of plume-like flowers in summer. Start a rich red colour, fading to pink and grey. Hardy. Up to 1.5m. [Collect Only]

Miscanthus sinensis 'Flamingo': Clumps of narrow arching leaves and tall stems of dark pink plume-like flowers in summer. Fading to silvery grey in winter. Hardy. Up to 1.8m. [Collect Only]

Miscanthus sinensis 'Malepartus': Flowering grass with tall, pink tinged flowers in late summer into autumn. Arching dark green foliage with prominent white midrib. Height to 2m. Hardy. [Collect Only]

Miscanthus sinensis 'Morning Light': Elegant grass sporting fine green leaves with silvery-white central stripee. Flowers in late summer. Height to 1.3m. Hardy. [Collect Only]

Miscanthus sinensis 'Silberfeder': Reliable flowering grass with tall, upright silvery flowers in late summer. Arching dark green foliage. Height to 2m. Hardy. [Collect Only]

Miscanthus sinensis 'Undine': Clumps of narrow arching leaves and tall stems of plume-like flowers in summer. Fading to an oaty yellow colour in the winter. Hardy. Up to 2m. [Collect Only]

Miscanthus sinensis 'Yakushima Dwarf': Compact form with clumps of narrow arching leaves and stems of plume-like flowers. Starting a rich red colour, fading to pink/grey. Hardy. Up to 80cm. [Collect Only]

Miscanthus transmorissonensis: Tall elegant, evergreen grass with arching stems of silvery grey flower heads. Flowers held well above the foliage. Hardy. Up to 1.2m. [Collect Only]

Molinia caerulea 'Edith Dudszus' (Purple moor grass 'Edith Dudszus'): Purple, almost black wand-like flower stalks with slender purple flower heads in late summer.To 90cm. Hardy

Molinia caerulea 'Heidebraut' (Purple moor grass 'Heidebraut'): Elegant flower stalks with slender purple flower heads in late summer. Makes an upright, vase shape. To 1.2m. Hardy

Molinia caerulea 'Poul Petersen' (Purple moor grass 'Poul Petersen'): Very handsome grass, much beloved by modern garden designers. Makes an upright, vase shape of burnished gold in autumn.

Molinia caerulea 'Transparent' (Purple moor grass 'Transparent'): Deciduous grass with long feathery purple flower spikes. Likes moist but well-drained soil in sun or light shade. Hardy. Up to 1.2m.

Monarda 'Gardenview Scarlet' (Bee Balm/Bergamot 'Gardenview Scarlet'): Whorls of bright red flowers held above aromatic foliage. Hardy. To 70cm.

Monarda 'Jacob Cline' (Bee Balm/Bergamot 'Jacob Cline'): Whorls of the brightest imaginable red flowers over bright green aromatic foliage. Hardy. Up to 75cm.

Monarda 'Pink Supreme' (PBR) (Bee Balm/Bergamot 'Pink Supreme'): Whorls of bright pink flowers over bright green aromatic foliage. Compact variety. Prefers a moist soil. Hardy. Up to 60cm. [Collect Only]

Monarda 'Squaw' (Bee Balm/Bergamot 'Squaw'): Whorls of bright red flowers held above aromatic foliage.

Monarda 'Violet Queen' (Bee Balm/Bergamot 'Violet Queen'): Whorls of soft purple flowers held high above aromatic foliage. Attractive to bees. To 80cm. Hardy.

Morina longifolia: Whorls of white tubular flowers which age to pink, above prickly rosettes of glossy dark green aromatic leaves. Hardy. Up to 90cm.

Muhlenbergia capillaris (Pink muhly grass): Clump-forming grass with dramatic billowing pink flowers in summer into autumn. Semi-evergreen. Hardy. Up to 1m.

Mukdenia rossii: Short plump spikes of white flowers in spring, but mainly grown for its foliage which turns brilliant red in autumn. Up to 30cm.

Nepeta kubanica (Large flowered catmint): Upright stems of large deep blue flowers above aromatic deep green leaves. Long flowering. Prefers a sunny spot. Hardy. Up to 90cm.

Nepeta sibirica 'Souvenir d'Andre Chaudron' (Catmint 'Souvenir d'Andre Chaudron'): One of the largest flowers and more upright growth than other catmints. Aromatic lance shaped leaves. Hardy. Up to 45cm.

Nepeta subsessilis (Catmint): Lovely, compact catmint with large, rich blue flower spikes. Very attractive to bees and butterflies. To 60cm.

Omphalodes cappadocica 'Cherry Ingram' (Navelwort 'Cherry Ingram'): An early spring flowering perennial with lustrous leaves and pretty deep blue flowers in early spring. [Collect Only]

Omphalodes verna 'Alba': Small, pure white open flowers in early spring over bright green foliage. Steadily spreads to cover the ground

Ophiopogon planescapus 'Nigrescens' (Black lilyturf): Jet back strappy leaves and purplish flowers in mid-summer. Widely and rightly used in modern planting schemes against silvery plants and paving.

Paeonia 'Buckeye Belle' (Peony 'Buckeye Belle'): Blowsy, glossy, deep red, semi-double large flowers with golden stamens. Attractive green foliage. A real stand-out plant. [Collect Only]

Paeonia 'Flame' (Paeony 'Flame'): Rich and shiny scarlet red single flowers with a yellow centre. Glossy dark green leaves. Hardy. Up to 80cm. [Collect Only]

Paeonia lactiflora 'Bowl of Beauty' (Peony 'Bowl of Beauty'): Huge sugar-pink petal bowls filled with ripples of yellow ribbony bits. Swoon-worthy. [Collect Only]

Paeonia lactiflora 'Nymphe' (Peony 'Nymphe'): Strongly scented deep pink flowers with a golden centre. Attractive dark green foliage. Hardy. Up to 90cm. [Collect Only]

Paeonia lactiflora 'White Wings' (Peony 'White Wings'): Single, lightly fragrant white flowers with gold centre. Full sun or light shade, rich but open soil best. To 1m. Fully hardy. [Collect Only]

Paeonia mlokosewitschii (Peony 'Molly The Witch'): A truly lovely herbaceous peony with pale lemon yellow bowl-shaped flowers, with golden yellow stamens. Hardy. To 60cm. [Collect Only]

Paeonia officinalis 'Alba Plena' (Peony 'Alba Plena'): Sumptuous, large double white flowers above green foliage in May. A traditional cottage garden plant. May need support. [Collect Only]

Paeonia officinalis 'Rubra Plena' (Peony 'Rubra Plena'): The classic deep red double paeony. Deeply divided leaves unfurl in spring. Max Height 90cm. Flowers April to May. Full sun/partial shade.

Paeonia wittmanniana: A delightful herbaceous peony with pale yellow almost white bowl-shaped flowers with a yellow centre and attractive foliage. Hardy. Up to 1m. [Collect Only]

Panicum virgatum 'Rehbraun' (Switch grass 'Rehbraun'): Deciduous clump-forming grass, strappy green leaves which turn a brilliant red in autumn, with airy panicles of flowers flushed purple. Hardy. Up to 1m.

Panicum virgatum 'Squaw' (Switch grass 'Squaw'): Deciduous grass with strappy green leaves which turn a purple red in autumn, with airy panicles of flowers flushed pink. Hardy. Up to 1m.

Papaver orientale 'Beauty of Livermere' (Oriental poppy 'Beauty of Livermere'): Brilliant red papery flowers with black central splash, softly hairy bright green leaves. Flowers in early summer. To 50cm. Hardy.

Papaver orientale 'King Kong' (Oriental poppy 'King Kong'): A stunning deep red oriental poppy with slightly ruffled flowers with a dark black centre, above hairy green foliage. Hardy. Up to 1m. [Collect Only]

Papaver orientale 'Perry's White' (Oriental poppy 'Perry's White'): A white flowered oriental poppy with a dark black centre. Flowers held on tall stems above hairy green foliage. Hardy. Up to 90cm.

Papaver orientale 'Turkish Delight' (Oriental poppy 'Turkish Delight' (HELEN ELIZABETH)): Beautiful large pale pink flowers above softly hairy foliage. This variety stands well through rain and wind. Lovely. [Collect Only]

Penstemon 'Andenken an Friedrich Hahn' (Syn. Penstemon 'Garnet'): Wine-red tubular flowers with white throat markings and narrow leaves. Semi-evergreen in milder areas. Protect from hard frosts.

Penstemon 'Apple Blossom': Pale pink tubular flowers with a white throat over semi-evergreen, narrow foliage. Frost hardy. To 70cm.

Penstemon 'Dark Towers' (PBR): Pink tubular flowers which contrast with the dark bronze foliage. Semi-evergreen in milder areas. Protect from hard frosts. To 90cm. [Collect Only]

Penstemon 'Hidcote Pink': Pink tubular flowers, white throat and darker crimson veins.Semi-evergreen in milder areas. Protect from hard frosts. To 90cm. [Collect Only]

Penstemon 'Pensham Laura': White flowers with bright lipstick pink edges to the petals. Very showy and long flowering. [Collect Only]

Penstemon 'Pensham Plum Jerkum': Plum-purple tubular flowers with white throat markings. Semi-evergreen in milder areas. Protect from hard frosts. To 70cm. [Collect Only]

Penstemon 'Rich Ruby': Rich red tubular flowers and narrow leaves. Semi-evergreen in milder areas. Bee-friendly. Protect from hard frosts. To 70cm. [Collect Only]

Penstemon 'Schoenholzeri': Brilliant scarlet tubular flowers, slender leaves. [Collect Only]

Penstemon 'Sour Grapes' (Syn. Stapleford Gem): Purple-blue tubular flowers with a metallic sheen and patches of white in the throat. Protect from hard frosts. To 60cm. [Collect Only]

Penstemon 'White Bedder': Pure white tubular flowers over semi-evergreen foliage. Frost-hardy perennial. Up to 60cm. [Collect Only]

Penstemon heterophyllus 'Heavenly Blue': More compact, masses of blue tubular flowers touched with pink. Long-flowering and loved by bees. Protect from hard frosts. To 50cm. [Collect Only]

Persicaria 'Silver Dragon' (PBR) (Knotweed 'Silver Dragon'): Multi-hued silver/red/green leaves throughout the summer. Great as foliage filler. Height to 60cm. [Collect Only]

Persicaria affinis 'Darjeeling Red' (Knotweed 'Darjeeling Red'): Semi-evergreen mat-forming perennial with green narrow leaves that turn bronze over winter. Spikes of pink poker-like flowers which darken with age. [Collect Only]

Persicaria affinis 'Superba' (Knotweed 'Superba'): Semi-evergreen ground cover plant with short rosy red flower spikes in mid to late summer. Hardy. Up to 30cm [Collect Only]

Persicaria amplexicaulis (Red bistort): Spikes of reddish pink flowers from July to November. Robust plant ideal for filling awkward corners. Easy and reliable. [Collect Only]

Persicaria amplexicaulis 'Blackfield' (PBR) (Red bistort 'Blackfield'): New variety with fine spikes of burgundy flowers in late summer. Easy and reliable. To 60cm. Hardy [Collect Only]

Persicaria amplexicaulis 'Fat Domino' (PBR) (Red bistort 'Fat Domino'): A cracking new variety with plump, dark rose-red flower spikes which last for ages. Robust and hardy. Up to 90cm [Collect Only]

Persicaria amplexicaulis 'Rosea' (Red bistort 'Rosea'): Spikes of pale pink flowers in late summer. Large oval pointed leaves. Grows in most situations as long as not too dry. Hardy. Up to 1.2m. [Collect Only]

Persicaria bistorta 'Hohe Tatra' (Bistort 'Hohe Tatra'): Upright orchid-like pink spikes from May to July. Flowers slightly smaller and later than 'Superba'. Hardy. Height to 45cm. [Collect Only]

Persicaria bistorta 'Superba' (Bistort 'Superba'. Syn. Polygonum bistorta 'Superbum'): Upright fluffy pink spikes make a bold show in early summer. Great for filling larger spaces. Hardy. Up to 60cm. [Collect Only]

Persicaria microcephala 'Red Dragon' (PBR) (Knotweed 'Red Dragon'): Stunning foliage with upright stems of lance-shaped purple-green leaves, with delicate chevron markings in white. Best leaf colour in full sun. Hardy. Up to 90cm.

Persicaria runcinata 'Purple Fantasy': Attractive foliage perennial with triangular leaves with V shaped dark purple marks. Loose spikes of pink/white flowers in summer. Hardy. Up to 60cm.

Petasites japonicus var. giganteus (Giant butterbur): Huge round leaves, perfect for bold foliage statement by a large pond or in damp soil. Hardy. To 1.5m. [Collect Only]

Petasites paradoxus (Alpine butterburr): Silvery, wide but pointed leaves in summer. Flowers resembling white studded tennis balls in February. Excellent foliage plant.To 30cm. Hardy

Phlomis tuberosa 'Amazone': Tall spikes bearing whorls of pink spikes in mid-summer. Hardy. To 1.5m [Collect Only]

Phlox divaricata 'Clouds of Perfume': Deliciously scented and delicate pale blue flowers which are long-lasting. Prefers some partial shade. Hardy. Up to 30cm.

Phlox divaricata 'White Perfume': Deliciously scented and delicate pure white flowers which are long-lasting. Prefers some partial shade. Hardy. Up to 30cm.

Phlox paniculata 'Bright Eyes' (Phlox 'Bright Eyes'): Pink scented flowers with a darker pink eye. To 90cm. Hardy [Collect Only]

Phlox paniculata 'David' (Phlox 'David'): An excellent phlox with clean white flowers and a delightful scent. To 1.2m. Hardy. [Collect Only]

Phlox paniculata 'Miss Pepper': Tall phlox variety with dark stems and pink flowers with a deep pink eye. Lovely fragrance. Hardy. Up to 1m. [Collect Only]

Phlox subulata 'Lilacina' (Moss phlox 'Lilacina'): Pale blue star-like flowers above a cushion of hairy narrow leaves. Good for alpine beds or rockeries. Hardy. Up to 15cm.

Physalis alkekengi var. franchetii (Chinese Lantern): Hardy perennial, grown for its glowing orange lantern-like seed cases in autumn. [Collect Only]

Physostegia virginiana (Obedient plant): Spires of light pinkish purple flowers on slowly spiralling stems.

Poa labillardierei (Blue tussock grass): Elegant, upright grass with slender blue-green leaves. Arching, open biscuity-coloured panicles in mid-summer. Evergreen.To 1.2m Hardy [Collect Only]

Podophyllum peltatum (May apple): Large umbrella like leaves, with white waxy flowers beneath. A fine woodland plant. Height to 30cm. Hardy.

Polemonium 'Blue Pearl' (Jacob's Ladder 'Blue Pearl'): Attractive, low-growing form with fresh green ferny foliage and sky-blue bell-like flowers. Hardy. Up to 30cm.

Polemonium 'Northern Lights' (Jacob's Ladder 'Northern Lights'): Heavenly scented, compact form of Jacob's Ladder, with warm blue flowers [Collect Only]

Polemonium Bressingham Purple = 'Polbress' (PBR) (Jacob's Ladder 'Bressingham Purple'): Striking purple foliage topped with purplish blue flowers in early summer. Hardy. To 60cm

Polemonium caeruleum Brise d'Anjou = 'Blanjou' (Jacob's Ladder 'Brise d'Anjou'): Variegated polemonium with ferny creamy yellow and green foliage. It has delicate cup-shaped lilac blue flowers in early summer. Hardy. Up to 60cm.

Polemonium caeruleum f. albiflorum (Jacob's Ladder - white form): Clusters of pure white flowers over foliage with leaflets arranged in pairs.Good in part shade. To 50cm. Hardy.

Polemonium reptans 'Stairway to Heaven' (PBR) (Jacob's Ladder 'Stairway to Heaven'): Superb variety with attractive variegated foliage and lavender blue flowers. To 50cm. Hardy [Collect Only]

Polemonium reptans 'Touch of Class' (PBR) (Jacob's Ladder 'Touch of Class'): Attractive, low-growing form with variegated ferny foliage and pale-blue bell-like flowers. Hardy. Up to 40cm. [Collect Only]

Polygonatum verticillatum 'Rubrum': Tall upright dark-red stems with whorls of narrow leaves and bell shaped flowers flushed red. Good in shade. Hardy. Up to 1m. [Collect Only]

Polygonatum x hybridum (Solomon's seal (Syn. Polygonatum multiflorum)): Arching sprays of paired white bells, tinged with green in spring. To 70cm. Hardy. [Collect Only]

Polystichum setiferum 'Plumosum densum' (Soft shield fern): Soft bright green, evergreen fronds make this a wonderful space filler for shady spots and woodland gardens [Collect Only]

Potentilla 'Arc-en-ciel' (Cinquefoil 'Arc-en-ciel'): Double, rich red flowers flecked with yellow at the petal edges. Easy and trouble-free plant, ideal for well drained borders in sun or part shade

Potentilla 'Blazeaway' (Cinquefoil 'Blazeaway'): Zingy orange flowers, flecked with yellow and red in summer over clumps of dark green foliage. Hardy. Up to 50cm. [Collect Only]

Potentilla 'Emilie' (Cinquefoil 'Emilie'): Large, mahogany red flowers with gold markings at the outer petal margins. Up to 45cm. Hardy [Collect Only]

Potentilla 'Esta Ann' (Cinquefoil 'Esta Ann'): Vibrant yellow flowers with a red centre held well above a mound of dark green strawberry-like foliage. Hardy. Up to 40cm.

Potentilla 'Gibsons Scarlet' (Cinquefoil 'Gibsons Scarlet'): Loose sprays of single crimson flowers in summer. Long flowering period. Hardy. Up to 50cm.

Potentilla 'William Rollisson' (Cinquefoil 'William Rollisson'): Scarlet-orange, double flowers with flashes of yellow. A brilliant splash of colour in hot colour schemes [Collect Only]

Potentilla nepalensis 'Miss Willmott' (Cinquefoil 'Miss Willmott'): Cherry pink flowers with a darker centre above dark green strawberrry-like foliage.

Potentilla thurberi 'Monarch's Velvet' (Cinquefoil 'Monarch's Velvet'): Dark red velvety flowers with a darker eye held daintily above green, deeply divided foliage

Primula 'Blue Sapphire' (Primrose 'Blue Sapphire'): A rich blue double flowered primrose. A reliable perennial preferring good soil and partial shade. Hardy. Up to 15cm.

Primula 'Corporal Baxter' (Primrose 'Corporal Baxter'): A dazzling crimson red double flowered primrose. A reliable perennial preferring good soil and partial shade. Hardy. Up to 15cm.

Primula 'Francisca' (Polyanthus 'Francisca'): Really unusual variety with green/acid yellow flowers. To 20cm. Hardy. [Collect Only]

Primula 'Wanda' (Primrose 'Wanda'): Low growing primula with bright purplish red flowers in early spring [Collect Only]

Primula 'Zebra Blue' (Primrose Zebra Blue'): A real stand-out primrose with pale blue flowers and deep blue veining and bright yellow centre. Classic primrose rosette of leaves. Hardy. Up to 10cm.

Primula bulleyana (Bulley's primrose): Upright tall stems of bright orange-yellow flowers from a rosette of green leaves. Likes damp borders. Hardy. Up to 60cm.

Primula denticulata (Drumstick primula): Round heads of purple, occasionally white flowers above a rosette of green leaves.

Primula denticulata 'Rubin' (Drumstick primula 'Rubin'): Dark pink/magenta balls of flowers on sturdy stems. To 25cm. Hardy [Collect Only]

Primula denticulata var. alba (Drumstick primula - white): Pure white balls of flowers on sturdy stems. To 25cm. Hardy

Primula elatior (Oxslip): Pale yellow, primrose colour flowers in clusters on gently arching stems.

Primula rosea 'Grandiflora': Bright pink flowers with a yellow centre on an erect stem, may flower before the leaves open. Prefers moist soil. Hardy. Up to 20cm.

Primula sieboldii 'Snowdrop' (Japanese Woodland Primula 'Snowdrop'): Pure white open flowers over a rosette of green leaves. Prefers a moist soil. Hardy. Up to 20cm.

Primula sieboldii 'Winter Dreams' (Japanese Woodland Primula 'Winter Dreams'): Palest pink flowers with snowflake effect petals. Hardy. To 20cm.

Primula sikkimensis (Himalayan cowslip): Tall stems with clusters of pendulous pale yellow funnel-shaped scented flowers, rising from a rosette of green leaves. Up to 40cm.

Primula vialii (Vial's Primrose): Flower spikes of crimson buds open into a mass of pale purple flowers in mid-summer. Often reflowers in late summer/autumn

Primula vulgaris 'Dunbeg' (Primrose 'Dunbeg'): Soft apricot primrose flowers which perfectly tone with the dark purplish foliage. Hardy. Height to 20cm.

Primula vulgaris 'Innisfree' (Primrose 'Innisfree'): Dark, velvety red flowers over very dark green foliage. From the new range of wonderful dark leaved primroses from Ireland. To 20cm. Hardy.

Pulmonaria 'Blue Ensign' (Lungwort 'Blue Ensign'): Rich blue flowers in spring over unspotted dark green foliage. A reliable hardy perennial. Up to 30cm.

Pulmonaria 'Cotton Cool' (Lungwort 'Cotton Cool'): Slender leaves, so heavily spotted that they're almost completely silver. Classic pulmonaria purple/blue/pink flowers. To 30cm. Hardy.

Pulmonaria 'Diana Clare' (Lungwort 'Diana Clare'): Long, slender silver foliage and purple flowers in spring. To 30cm Hardy. [Collect Only]

Pulmonaria 'Majeste' (Lungwort 'Majeste'): Large, heavily silvered leaves and purplish pink flowers in spring. To 30cm. Hardy

Pulmonaria 'Mrs Kittle' (Lungwort 'Mrs Kittle'): Flushed pink buds opening to clear white flowers above a silvery spotted foliage. Brightens up shady areas. Hardy. Up to 30cm. [Collect Only]

Pulmonaria 'Opal' (Ocupol) (Lungwort 'Opal'): Palest ice-blue flowers over dark green leaves splashed with silver. Hardy. to 30cm. [Collect Only]

Pulmonaria 'Sissinghurst White' (Lungwort 'Sissinghurst White'): Clusters of pure white flowers in spring over white spotted green leaves. To 20cm. Hardy. [Collect Only]

Pulmonaria 'Trevi Fountain' (Lungwort 'Trevi Fountain'): Long flowering, with blue flowers over silver-speckled leaves in spring. Great in shade. Hardy. Height to 30cm. [Collect Only]

Pulmonaria saccharata 'Leopard' (Lungwort 'Leopard'): Rich pink flowers in mid-spring with green foliage heavily spotted with silver. Good in shade. To 30cm. Hardy

Ranunculus aconitifolius 'Flore Pleno' (Batchelor's Button): A very elegant plant with white button-like double flowers on branched stems with palmate dark green leaves. Hardy. Up to 80cm. [Collect Only]

Rheum 'Ace of Hearts' (Ornamental rhubarb 'Ace of Hearts'): Large heart-shaped deep green leaves with crimson undersides. Sprays of palest pink flowers in summer. To 1.2m Hardy [Collect Only]

Rheum palmatum 'Atrosanguineum' (Ornamental rhubarb 'Atrosanguineum'): Very large, deeply dissected green leaves with plum-coloured undersides. Sprays of rich pink flowers in summer. [Collect Only]

Rodgersia 'Irish Bronze': Bronze tinted leaves, shaped much like a horse-chestnut's. Sprays of fluffy white flowers in mid-summer. To 70cm. Hardy. [Collect Only]

Rodgersia pinnata 'Superba': Large palmate leaves which are tinged bronze when young, with panicles of pink flowers in midsummer. Hardy. Up to 1m. [Collect Only]

Rudbeckia fulgida var. sullivantii 'Goldsturm': Large gold flowers with a chocolate eye produced in profusion from late summer well into autumn. Hardy. Up to 60cm.

Rudbeckia maxima (Great Coneflower): Very tall, upright Rudbeckia with large, bright yellow cones with black eyes in late summer

Rudbeckia subtomentosa 'Little Henry' (PBR): Yellow quilled flowers with chocolate brown centres in late summer. Compact variety with a delightful vanilla scent. Hardy. Up to 90cm.

Salvia 'Amethyst Lips' (PBR) (Sage 'Amethyst Lips): Bicolour flowers in white and deep purple and delicious scented foliage. Half-hardy, copes with -5C in a sheltered spot. To 1m.

Salvia 'Hot Lips' (Sage 'Hot Lips'): Bicolour flowers in white and lipstick red and delicious scented foliage. Half-hardy, copes with -5C in a sheltered spot. To 1m.

Salvia greggii 'Emperor' (Autumn sage 'Emperor'): Masses of maroon-purple flowers and delicious scented foliage. Half-hardy, copes with -3 to -5C in a sheltered spot. To 60cm.

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue'): A subshrubby perennial with mid-green leaves. Spikes of rich blue and purple-blue flowers from late summer to late autumn. [Collect Only]

Salvia guaranitica 'Blue Enigma' (Anise-scented sage 'Blue Enigma'): Tall spikes of deep blue, flowers. Frost-hardy. Up to 1.2m. Prefers full sun and a sheltered spot. Late summer. Attractive to bees. [Collect Only]

Salvia nemorosa 'Amethyst' (Balkan Clary 'Amethyst'): Slender spires of long-lasting warm purple spikes from mid to late summer. To 90cm. Hardy.

Salvia nemorosa 'Caradonna' (Balkan Clary 'Caradonna'): Rich purple spikes in early summer - just in time for Chelsea Flower Show at which is widely used.To 50cm. Hardy

Salvia nemorosa 'Ostfriesland' (Balkan Clary 'Ostfriesland'): Masses of upright spikes of purple flowers in mid summer. Easy and trouble free. To 50cm. Hardy [Collect Only]

Salvia uliginosa (Bog Sage): Branched stems of clear blue flowers and lance-shaped leaves. Needs a sunny spot but with moist soil. Hardy. Up to 2m. AGM.

Salvia x sylvestris 'Mainacht' (Wood sage 'May Night'): Spikes of warm purplish blue flowers in mid-summer. Height to 70cm. Hardy.

Sanguisorba 'Blackthorn' (Burnet 'Blackthorn'): Upright spikes of soft pink flowers in late summer and autumn. Hardy. 1-2-1.5m. [Collect Only]

Sanguisorba 'Cangshan Cranberry' (Burnet 'Cangshan Cranberry'): Very tall reddish stems of burgundy-red bobbly flowers in late summer over blue-green leaves. Prefers moist soil. Hardy. Up to 2m. [Collect Only]

Sanguisorba 'Little Angel' (Burnet 'Little Angel'): Brand new variety. Compact plant with maroon button flowers and variegated foliage. Hardy. Up to 30cm. Hardy. [Collect Only]

Sanguisorba 'Pink Tanna' (Burnet 'Pink Tanna'): Fluffy Pink flower bobbles mid-late summer over attractive fern-like foliage. Good in damp soil, sun or shade. Hardy. Up to 1m. [Collect Only]

Sanguisorba 'Tanna' (Burnet 'Tanna'): Spikes of burgundy-red bobbly flowers appear in late summer over crinkled blue-green leaves. Height to 50cm. Hardy.

Sanguisorba hakusinensis 'Lilac Squirrel' (Korean Burnet 'Lilac Squirrel'): Wondrously tactile, long pinky/purplish tassels in late summer. Good in any soil if not too dry. Hardy. Up to 1.2m. [Collect Only]

Sanguisorba menziesii (Menzies' burnet): Long maroon spikes in late summer over clumps of frondy, grey green foliage. To 60cm. Fully hardy

Sanguisorba obtusa (Japanese burnet): Arching fluffy pink flower spikes in mid to late summer over crinkled grey green foliage. To 60cm. Hardy [Collect Only]

Sanguisorba officinalis 'Red Thunder' (Burnet 'Red Thunder'): Stems of dark-red bobble-like flowers above attractive divided foliage. Up to 1.2m.

Sanguisorba officinalis 'Shiro-fukurin' (Burnet 'Shiro-fukurin'): Nicely variegated green and white leaves, maroon bobble flowers in late summer.

Sanguisorba tenuifolia var. alba: Soft arching white bottle-brush flowers over fine, frondy foliage. To 1.5m Hardy.

Saxifraga stolonifera ' Kinki Purple': Rounded, hairy leaves with green above and red below. Wiry stems topped with white flowers in early autumn. Hardy. Up to 30cm. [Collect Only]

Saxifraga x urbium 'Variegata' (Variegated London Pride): Wiry stems topped with dainty pale pink flowers over ground evergreen rosettes of green leaves with creamy yellow markings.

Scabiosa 'Butterfly Blue' (Syn. Scabiosa 'Irish Perpetual Flowering'): Large cornflower blue frilled flowers over lance-shaped grey-green foliage. Semi-evergreen, long flowering season. Up to 60cm. Hardy.

Scabiosa caucasica 'Clive Greaves' (Scabious 'Clive Greaves'): A very good reliable old variety of scabious with large blue frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy.

Scabiosa caucasica 'Perfecta Blue' (Scabious 'Perfecta Blue'): Large cornflower blue frilled flowers over lance-shaped grey-green foliage. Height to 60cm. Hardy.

Scabiosa caucasica var. alba (Scabious white flowered): Large white frilled flowers over lance-shaped grey-green foliage. Long flowering. Loved by bees and butterflies. Height to 60cm. Hardy.

Sedum 'Jose Aubergine' (PBR) (Syn. Hylotelephium 'Jose Aubergine'): Dark purple stems and flat heads of dusky pink flowers. Very attractive to bees/butterflies. Up to 60cm.

Sedum 'Matrona' (Syn Hylotelephium 'Matrona.): Sturdy pinkish stems topped with flat warm pink flowers

Sedum 'Red Cauli' (Syn. Hylotelephium 'Red Cauli'): Tight domes of bright pinkish red flowers on short, red tinted stems.

Selinum filicifolium: Glossy, green ferny foliage and umbels of white flowers with a green ruff in mid-summer. Prefers a sunny spot. Hardy. Up to 30cm. [Collect Only]

Selinum wallichianum (Wallich milk parsley): Stately umbellifer with large white heads atop large lacy leaves. Hardy. To 1.5m [Collect Only]

Sidalcea 'Loveliness' (Prairie mallow 'Loveliness'): Pale pink flowers on upright spikes in mid-summer. Round, glossy, semi-evergreen leaves. To 75cm. Hardy. [Collect Only]

Sidalcea 'Sussex Beauty' (Prairie mallow 'Sussex Beauty'): Large candy pink flowers held on stiff upright stems above rounded green foliage.To 70cm. Hardy

Sisyrinchium idahoense 'Album': White star-like flowers with a yellow centre, grass-like strappy foliage. Prefers a sunny spot with good drainage. Hardy. Up to 15cm.

Sisyrinchium striatum 'Aunt May': Open fans of strappy variegated iris-like leaves topped with lemon yellow flowers in summer. Up to 60cm. [Collect Only]

Stipa tenuissima 'Wind Whispers' (Mexican feather grass. Syn. Nassella tenuissima): Soft plumes of very tactile grass from early summer. Stands well through winter

Stokesia laevis 'Blue Star' (Stoke's aster 'Blue Star'): Large fluffy blue flowers in mid-summer, slender green leaves. To 40cm. Hardy

Stokesia laevis 'Mary Gregory' (Stoke's aster 'Mary Gregory'): Large fluffy lemon yellow flowers in mid summer above slender green leaves. To 40cm. Hardy

Stokesia laevis 'Purple Parasols' (Stoke's aster 'Purple Parasols'): Large, fluffy purple flowers over slender grey-green foliage. A lovely plant for sunny, well-drained borders. To 40cm. Hardy.

Symphytum azureum: A spreading perennial with green leaves and clusters of pure blue flowers May-July. Grows vigorously in damp shade. Up to 60cm [Collect Only]

Symphytum orientale (White comfrey): Pure white flowers in early summer. Not a spreading comfrey, it self-seeds around gently instead. To about 40cm. Hardy [Collect Only]

Tellima grandiflora 'Forest Frost' (Fringecups): Slender spikes of pinkish flowers late spring to mid-summer. Semi-evergreen reddish foliage. Great in shade. Height to 30cm. Hardy

Thalictrum 'Anne' (PBR) (Rue 'Anne'): Tall, stately plant with a froth of pinkish-white flowers in mid-summer. To 2m. Hardy [Collect Only]

Thalictrum 'Elin' (Rue 'Elin'): Tallest of the Thalictrums we grow with huge heads of lavender and yellow flowers in mid-late summer. To 2m. Hardy. [Collect Only]

Thalictrum 'Nimbus Pink' (PBR) (Rue 'Nimbus Pink'): A new variety with dense clouds of fluffy lavender pink flowers on dark stems above grey-green ferny foliage like an aquilegia. Hardy. Up to 70cm.

Thalictrum 'Nimbus White' (PBR) (Rue 'Nimbus White'): A new variety with dense clouds of fluffy white flowers on dark stems above grey-green ferny foliage like an aquilegia. Hardy. Up to 70cm.

Thalictrum 'Purplelicious' (Rue 'Purplelicious'): A new variety which is a more compact plant. Fluffy heads of lilac purple flowers on dark stems in early summer. Hardy. Up to 40cm. [Collect Only]

Thalictrum 'Splendide White' (PBR) (Rue 'Splendide White'): Pure white flowers open from spherical buds. Spectacular in dappled shade

Thalictrum 'Splendide' (Rue 'Splendide'): Superb Thalictrum with clouds of purple flowers open for a very long time in late summer. Hardy. Up to 1.5m

Thalictrum aquilegiifolium 'Album' (French meadow rue 'Album'): Clouds of fluffy white flowers in spring, foliage looks like an aquilegia, but much taller. To 1.5m Hardy [Collect Only]

Thalictrum aquilegiifolium 'Thundercloud' (French meadow rue 'Thundercloud'): Plumes of purple flowers with darker purple stamens in early summer. Height to 1m. Hardy. [Collect Only]

Thalictrum delavayi (Chinese meadow rue): Dainty lilac-mauve flowers 2cm in width, with prominent creamy yellow stamens above fern-like bright green leaves. Hardy. Up to 1.5m.

Thalictrum delavayi 'Album' (Chinese meadow rue 'Album'): Dainty cup-shaped white flowers held high above fern-like greyish green leaves. To 1.2m. Hardy

Thalictrum delavayi 'Hewitt's Double' (Chinese meadow rue 'Hewitt's Double'): Tiny purple pom-pom flowers dance airily above ferny grey-green foliage. Height to 1.2m. Hardy

Thalictrum delavayi var. acuminatum (Chinese meadow rue): Sprays of lilac flowers, soft ferny foliage. May need a little support. Lovely in dappled shade. To 1.5m.

Thalictrum delavayi var. decorum (Chinese meadow rue): Sprays of small hanging pinkish purple flowers above soft filigree foliage

Thalictrum delavayi var. mucronatum (Chinese meadow rue): Sprays of small hanging pinkish purple flowers above soft filigree foliage. To 1.5m. Hardy.

Thalictrum ichangense: Rounded purplish green leaves with silvery veins, dainty sprays of tiny pink flowers in summer.

Thalictrum isopyroides: Dainty froth of finely divided fern like flowers topped with sprays of tiny green flowers in summer. A shade lover. To 30cm. Hardy.

Thalictrum punctatum: Small fluffy pink flowers over a mound of rounded, very thin leaves. Very good in shade, not too dry. To 50cm. Hardy

Thalictrum ramosum: Short species of Thalictrium, up to 40cm, with dark stems of lilac pink fluffy flowers above dainty, fern-like foliage. Prefers shade.

Thalictrum rochebruneanum (Meadow rue): Airy sprays of lavender flowers with yellow stamens on tall purple-tinged stems. To 1.4m. Hardy

Tiarella 'Iron Butterfly' (PBR) (Foam flower 'Iron Butterfly'): Deeply cut green leaves with a purple-black centre. Long flowering spikes of pale-pink star-like flowers. Hardy. Up to 30cm.

Tiarella 'Oregon Trail' (Foam flower 'Oregon Trail'): Deeply cut leaves with attractive central dark marking. White frothy flower spikes in summer. To 20cm. Hardy. [Collect Only]

Tiarella 'Pink Bouquet' (Foam flower 'Pink Bouquet'): Palest pink flower spikes from spring to mid-summer. Maple shaped green leaves with slim dark central markings. To 30cm. Hardy

Tiarella 'Pink Skyrocket' (PBR) (Foam flower 'Pink Skyrocket'): A vigorous variety with deeply divided, elegant foliage and dainty pink flower spikes. Very long flowering. To 30cm. Hardy

Tiarella 'Spring Symphony' (PBR) (Foam flower 'Spring Symphony'): Perennial with deeply divided foliage with dark blotch in centre. Long flowering with spikes of white star-shaped flowers. Hardy. To 30cm [Collect Only]

Tiarella wherryi (Wherry's foam flower): Spikes of tiny white flowers in spring/early summer. Great in shade. To 30cm. Hardy.

Tradescantia (Andersoniana Group) 'Bilberry Ice' (Spider lily 'Bilberry Ice'): Three-petalled icy purple flowers above strappy foliage. [Collect Only]

Tradescantia (Andersoniana Group) 'Euridice' (Spider lily 'Euridice'): Three-petalled delicate pale blue flowers above strappy foliage. Great as a ground clump former in sun or part shade. [Collect Only]

Tradescantia (Andersoniana Group) 'Innocence' (Spider lily 'Innocence'): Three-petalled pure white flowers with purple tinged anthers. Strappy bright green foliage.

Tradescantia (Andersoniana Group) 'Leonora' (Spider lily 'Leonora'): Three-petalled vibrant violet-blue flowers above strappy foliage. Great as a ground clump former in sun or part shade

Tradescantia (Andersoniana Group) 'Osprey' (Spider lily 'Osprey'): Three-petalled white flowers with a fluffy blue centre above strappy foliage. Great as a ground clump former in sun or part shade. [Collect Only]

Trautvetteria caroliniensis (False bugbane): Fluffy white, lightly fragrant flowers, similar to the Thalictrum flowers. Prefers partial shade with a moist soil. Hardy. Up to 90cm. [Collect Only]

Tricyrtis 'White Towers' (Toadlily 'White Towers'): Upright stems and star-shaped white flowers above fresh green foliage. Shade-lover. Prefers a moist soil. Hardy. Up to 60cm.

Tricyrtis formosana 'Seiryu' (Toadlily 'Seiryu'): Upright stems of blue star-like flowers, often speckled with lilac and a paler centre. Above dark green spotted foliage. Hardy. Up to 60cm. [Collect Only]

Trifolium ochroleucon (Sulphur Clover): Spikes of creamy yellow clover-like flowers above three-lobed foliage. Re-flowers if cut back. Good for bees. Hardy. Up to 50cm.

Trifolium rubens 'Red Feather' (Ornamental clover 'Red Feather'): Fat spikes of red clover-like flowers above three-lobed foliage. Hardy. Up to 60cm.

Trillium grandiflorum (American wake-robin): Pure white, three petalled flowers over three-leaved foliage.

Trollius chinensis 'Golden Queen' (Globeflower 'Golden Queen'): Glowing gold cup-shaped flowers with a very prominent central boss of gold anthers. Really stunning.

Trollius x cultorum 'Alabaster' (Globeflower 'Alabaster'): Translucent pale yellow cup shaped flowers from early to late summer. Great plant for damp or rich soil. To 60cm. Hardy [Collect Only]

Trollius x cultorum 'Lemon Queen' (Globeflower 'Lemon Queen'): A clump-forming perennial with glossy deeply divided leaves. Pale yellow flowers in late spring and early summer. Hardy. Up to 60cm.

Verbena hastata 'Rosea' (American blue vervain 'Rosea'): Tall, branched stems like a candelabra with spikes of small pink flowers loved by bees. Needs a sheltered spot in full sun. Up to 1.2m. [Collect Only]

Veronica austriaca 'Crater Lake Blue' (Speedwell 'Crater Lake Blue'): Vivid blue spikes above a mound of green foliage.To 30cm. Hardy.

Veronica gentianoides (Gentian Speedwell): Short spikes of pale-blue flowers above rosettes of evergreen glossy leaves. Good for the edge of a border. Hardy. Up to 45cm.

Veronica longifolia (Long-leaved speedwell): Tall spires of blue flowers above long, slender foliage. To 1.5m. Hardy.

Veronica longifolia 'Charlotte' (PBR) (Long-leaved speedwell 'Charlotte'): Spikes of white flowers, slender variegated leaves. Good in sun or part shade. Hardy. Height to 40cm.

Veronica spicata 'Purpleicious' (Spiked speedwell 'Purpleicious'): Spikes of dark-purple flowers over a mound of shiny green leaves. Long-flowering and excellent as a cut flower. Hardy. Up to 50cm.

Veronica spicata 'Silver Carpet' (Spiked speedwell 'Silver Carpet'): Low-growing plant with silvery foliage and short spikes of deep purple-blue flowers. Good for edging a border. Hardy. Up to 25cm. [Collect Only]

Veronicastrum 'Adoration' (Culver's Root 'Adoration'): Slender spikes of lilac-pink flowers above rising whorls of slender green leaves. To 1.2m. Hardy [Collect Only]

Veronicastrum virginicum 'Album' (Culver's Root 'Album'): Slender spikes of white flowers above rising whorls of slender green leaves. To 1.5m. Hardy [Collect Only]

Veronicastrum virginicum 'Lavendelturm' (Culver's Root 'Lavendelturm'): Long, narrow spires of tiny, pale lavender-blue flowers above whorls of narrow, dark green, serrated leaves. Tall to up to 2m. [Collect Only]

Veronicastrum virginicum f. roseum 'Pink Glow' (Culver's Root 'Pink Glow'): Slender spikes of pale pink flowers above rising whorls of slender green leaves. To 1.5m. Hardy [Collect Only]

Vinca minor f. alba 'Gertrude Jekyll' (Small white periwinkle 'Gertrude Jekyll'): A compact mat-forming evergreen perennial with trailing stems of dark green leaves. White flowers from mid spring to autumn.

Viola 'Rebecca' (Violet 'Rebecca'): Perennial violet with pale cream flowers streaked with purple and lilac and a yellow eye. Flowers are highly scented and long-lasting. Hardy. Up to 15cm.

Viola 'Wisley White' (Viola 'Wisley White'): White flowers, bright green foliage. Excellent for ground cover in shade not too dry. Long flowering. Hardy. Height to 20cm.

Viola cornuta 'Victoria's Blush' (Viola 'Victoria's Blush'): Pale pink form of viola cornuta with scented flowers and bright green foliage. Excellent for ground cover in shade. Hardy. Height to 20cm. [Collect Only]

Viola cornuta Alba Group (Viola white flowered): Pure white flowers, bright green foliage. Excellent for ground cover in shade [Collect Only]

x Heucherella 'Kimono' (PBR): Mounds of attractive, evergreen, slightly silvery leaves with darker veins. To 30cm. Hardy.

x Heucherella 'Tapestry' (PBR): Two-tone green/bronze leaves dusky pink flowers June-July. Semi-evergreen. Max Height 20cm. Shade/partial shade. Hardy.

Found 614 matches:

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