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

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.

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 '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.

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

Aster macrophyllus 'Twilight' (Syn. Eurybia x herveyi): Lavender-blue flowers with a yellow centre in late summer. Mildew-resistant foliage. An earlier flowering variety. Height to 1m. [Collect Only]

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 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. [Collect Only]

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.

Baptisia australis (Indigo weed): Spires of lipped indigo flowers over olive-green foliage. Flowering height 1.2m. [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]

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.

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 '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

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]

Eryngium x zabelii 'Big Blue (Sea Holly 'Big Blue): Large electric-blue thimble-shaped flowers with a spiky collar and silver-green foliage. Long flowering and bee-friendly. Hardy. Up to 75cm [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]

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. [Collect Only]

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

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.

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. [Collect Only]

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 'Rauchtopas' (Sneezeweed 'Rauchtopas'): Gorgeous variety with petals that are a rich gold on top and coppery-red beneath. [Collect Only]

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]

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

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]

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

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

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

Leucanthemum x superbum 'Snowcap' (Shasta Daisy 'Snowcap'): Neat white flowers with yellow centre on short stems. Ideal for sunny border and excellent for cutting. Height 40cm. Hardy.

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

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. [Collect Only]

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

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. [Collect Only]

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

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

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

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 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.

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 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. [Collect Only]

Salvia 'Blue Note' (PBR) (Autumn sage 'Blue Note'): Masses of brilliant lipped blue flowers from mid-summer to autumn [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. [Collect Only]

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 x jamensis 'Nachtvlinder' (Sage 'Nachtvlinder'): Regal purple flowers on upright stems throughout late summer into autumn. [Collect Only]

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

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]

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

Sporobolus heterolepsis (prairie dropseed): Fine deciduous grass with green foliage in summer turning golden. Graceful flower heads in late summer. Needs sunny spot in well-drained soil. Hardy. Up to 1m.

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

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

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]

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.