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. [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]

Agastache 'Blackadder' (Giant hyssop 'Blackadder'): Bright blue flower spikes and aromatic foliage - very attractive to bees. To 1.2m. Hardy

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]

Anemone x hybrida 'September Charm' (Japanese Anemone 'September Charm'): Two-tone dark rose and shell pink flowers on tall stems in late summer. Easy and reliable. Hardy. Up to 75cm.

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.

Aster trifoliatus subsp. ageratoides 'Ashvi': White flowers in a neat mound over a very long season - July to November. 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. [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 'Paul's Best Yellow': Arching sprays of golden yellow flowers in late summer. A vigorous grower. Fully hardy in well drained soils. To 1m [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. [Collect Only]

Crocosmia x crocosmiiflora 'Solfatare': Sprays of burnt orange flowers over strappy bronze foliage in late summer. Height to 80cm. Hardy in well drained soils.

Cynara cardunculus 'Cardy': New form of Cynara, larger flowers good as a cut-flower. Tall silver leaved plant topped with large purple thistle flowers. Hardy. Up to 1.5m

Echinacea 'Cleopatra' (PBR) (Coneflower 'Cleopatra'): Vibrant yellow daisy-flowers fading to pale yellow with large central orange cone. Long flowering and great for bees and butterflies. Hardy. Up to 45cm.

Echinacea 'Green Envy' (PBR) (Coneflower 'Green Envy'): Green flowers with a slight pink tinge to petal tips and pink cone. To 1.2m. [Collect Only]

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

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 [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.

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.

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.

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. [Collect Only]

Eupatorium maculatum 'Gateway' (Joe Pye Weed 'Gateway'): Slightly smaller than the species but still a dramatic plant with domes of purplish pink flowers in late summer. Hardy. To 1.8m. [Collect Only]

Eupatorium maculatum 'Riesenschirm' (Joe Pye Weed 'Riesenschirm'): Even taller than the species and a dramatic plant with huge heads of purplish pink flowers in late summer. Hardy. To 2.5m. [Collect Only]

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

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

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. [Collect Only]

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. [Collect Only]

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. [Collect Only]

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.

Helianthus 'Loddon Gold' (Perennial sunflower 'Loddon Gold'): Tall, vibrant fully double, yellow flowers. Large flower heads up to 12cm width. Prefers a sunny spot. [Collect Only]

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

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]

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]

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

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

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.

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

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

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.

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

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. [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.

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

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

Sedum 'Indian Chief' (Syn. Hylotelephium 'Herbstfreude'): Large pink-red flower heads held above succulent grey-green foliage. Loved by bees and butterflies. Prefers a sunny spot. Hardy. 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.

Sedum telephium 'Purple Emperor' (Syn. Hylotelephium telephium 'Purple Emperor'): A fine sedum with purple, almost metallic fleshy leaves and flattish heads of purple-red flowers in late summer.

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

Tricyrtis hirta 'Alba' (Toadlily 'Alba'): Upright flower stems of star-shaped white flowers above shiny dark green lance-shaped leaves. Hardy. Up to 80cm.

Vernonia arkansana 'Mammuth' (Ironweed 'Mammuth'): Very tall with purple flowers. Good for growing amongst tall grasses and other classic prairie plants. Loved by bees. Hardy. Up to 1.8m.

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.