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]

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 rugosa 'Liquorice Blue' (Korean mint 'Liquorice Blue'): Spikes of warm blue lipped flowers from late June onwards. Very attractive to bees. Aromatic foliage. To 1.5m. Hardy in light soils. [Collect Only]

Agastache rugosa f.albiflora 'Liquorice White' (Korean mint 'Liquorice White'): Tall, aromatic perennial with spires of tiny white flowers. Aromatic foliage. To 1.5m. Fully hardy in light soils. May self-seed.

Amsonia hubrichtii (Hubricht's bluestar): Clumps of soft feathery green foliage and palest blue star-like flowers in late Spring. Textural plant. Attractive autumn colour. Up to 60cm. Hardy

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

Armeria maritima 'Rubrifolia' (Thrift 'Rubrifolia'. Syn. Armeria maritima 'In the Red'): Clumps of narrow bronze foliage topped with spheres of bright pink flowers. An old-fashioned cottage garden favourite [Collect Only]

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.

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]

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]

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. [Collect Only]

Deschampsia cespitosa 'Goldtau' (Tufted hair grass 'Goldtau'): Early flowering grass, in flower by mid-July. Airy flower plumes which shimmer if catch the light. Shorter than many varieties. [Collect Only]

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 - white flowered (Angel's Fishing Rod): Arching white flowers with pink throat on wire-like stems. Grassy foliage. Looks lovely near water, in pots or over paths

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

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

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

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

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. [Collect Only]

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

Echinacea purpurea 'Virgin' (Coneflower 'Virgin'): A very good pure white form with central golden cone. [Collect Only]

Eryngium agavifolium (Agave-leaved sea holly): A statement foliage plant with an agave-like rosette from which arises tall spikes with cone-like grey-green flowers. Loved by bees. Hardy. Up to 1.5m. [Collect Only]

Eryngium bourgatii Graham Stuart Thomas's selection (Sea Holly Graham Stuart Thomas's selection): Spiny, violet blue flowers in summer of even spinier blue-green leaves with white mid-ribs.

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]

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 mellifera (Honey spurge): A stately plant which makes a dramatic feature in sheltered spots. [Collect Only]

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

Geranium palmatum: Bright pink flowers held on wiry stems above rosettes of evergreen foliage. To 60cm. Frost hardy. [Collect Only]

Gypsophila paniculata 'Rosenschleier' (Pink baby's breath): Clouds of pale pink flowers over slender glaucous foliage. Excellent for flower arranging. [Collect Only]

Hakonechloa macra 'All Gold': Stunning grass with bright yellow gold foliage which forms a neat mound. Looks great in pots. Hardy. Up to 40cm.

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

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

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!. [Collect Only]

Heuchera 'Silver Scrolls': Maroon leaves heavily overlaid with silver.

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

Kniphofia 'Timothy' (Red hot poker 'Timothy'): Tall spikes of creamy orange flowers on bronze stems in mid-late summer. Superb in sunny, dry borders. To 1.2m. Hardy [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]

Lychnis coronaria Atrosanguinea Group (Rose campion (dark red)): Bright magenta flowers over felty, silver foliage. Great for sunny, dry areas can be short lived in a wet, cold winter. To 1.2m Hardy.

Mathiasella bupleuroides 'Green Dream': Very unusual plant with bold sprays of green flowers in late spring

Meconopsis baileyi (Himalayan Blue Poppy. Syn. Meconopsis betonicifolia.): Huge blue flowers in late spring. [Collect Only]

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 '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 tenuifolia (Fern leaf Paeony): Sumptuous single deep red flowers, feathery foliage. Stunning plant for a sunny, well-drained spot [Collect Only]

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

Pennisetum 'Fairy Tails' (Fountain grass 'Fairy Tails'): A deciduous clump-forming grass with spectacular feathery flowers in pinky-white. Drained soil and full sun. Sheltered position. Up to 1.2m. [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 '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 '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.

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

Pulsatilla vulgaris (Pasque flower): Large cup shaped purple-hued flowers over soft ferny foliage. Thrives in sunny, well drained spots. To 40cm. Hardy.

Pulsatilla vulgaris 'Alba' (Pasque flower - white): Large cup shaped white flowers over soft ferny foliage. Thrives in sunny, well drained spots.

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. [Collect Only]

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. [Collect Only]

Stipa capillata (Feather grass): A really beautiful grass with open, feathery flowerheads in mid to late summer.

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

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. [Collect Only]

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 'Hinkley' (Chinese meadow rue 'Hinkley'): Dainty lilac-mauve flowers, with prominent long yellow stamens above fern-like bright green leaves. Hardy. Up to 1.5m.

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. mucronatum (Chinese meadow rue): Sprays of small hanging pinkish purple flowers above soft filigree foliage. To 1.5m. Hardy. [Collect Only]

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.

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 [Collect Only]

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]

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