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. [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]

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]

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

Ageratina altissima 'Chocolate' (Snakeroot 'Chocolate'): An attractive perennial with leaves tinged with chocolate brown and delicate white flowers, much loved by bees and butterflies. Hardy. Up to 1m. [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. [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]

Baptisia australis 'Alba' (Indigo weed - white form): Spires of lipped white flowers over olive-green foliage. Hardy. Flowering height 1.2m.

Ceratostigma plumbaginoides (Plumbago, Hardy plumbago, dwarf plumbago): Brilliant blue flowers in later summer over foliage which turns redder as winter approaches.

Crocosmia crocosmiiflora 'Red King': Sprays of vibrant red flowers with yellow centres, over bright green strappy foliage in late summer. Hardy. Up to 70cm. [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]

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 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

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

Erigeron karvinskianus 'Lavender Lady' (Fleabane 'Lavender Lady'): A lavender flowered form of this delicate but robust daisy. Self-seeds around where happy. To 20cm. Hardy.

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 dubium 'Baby Joe' (PBR) (Joe Pye-weed 'Baby Joe'): A compact form of Joe Pye-weed with large heads of purplish red flowers which are a magnet for bees and butterflies. Hardy. Up to 75cm. [Collect Only]

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 [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]

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.

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

Helianthus 'Monarch': A perennial sunflower with tall, semi-double bright yellow flowers. Prefers a sunny spot. Flowering late summer. Hardy. Up to 2.5m. [Collect Only]

Helianthus salicifolius (Willow-leaved sunflower): Tall, mobile stems with fine, willow-like leaves - makes a fine foliage feature. Yellow flowers in autumn [Collect Only]

Kalimeris incisa 'Alba' (Japanese Aster 'Alba'): Daisy white flowers forming upright sprays above bright green foliage. Loves a sunny spot. 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 'Bees Sunset' (Red hot poker 'Bees Sunset. Syn. Kniphofia 'Shining Sceptre'): Sturdy golden spikes over strappy green foliage in late summer.

Kniphofia 'Drummore Apricot' (Red Hot Poker 'Drummore Apricot'): Tall spikes of apricot flowers fading to yellow. Strappy green foliage. Strong vertical statement in the summer border. Hardy. Up to 75cm. [Collect Only]

Kniphofia 'Nobilis' (Red hot poker 'Nobilis'): Tall, heavy spikes of orange flowers on stiff stems in late summer. A bold statement in open, dry, sunny areas [Collect Only]

Kniphofia 'Tawny King' (Red hot poker 'Tawny King'): Tall, hefty spikes of creamy orange flowers on bronze stems in mid-late summer. Superb in sunny, dry borders. [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

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 [Collect Only]

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

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 'Tania': Dramatic spikes of brightest pink flowers in late summer. [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 [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 [Collect Only]

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. [Collect Only]

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.

Panicum virgatum 'Heavy Metal' (Switch grass 'Heavy Metal'): Deciduous clump-forming grass with strappy blue-green leaves which turn a to purple/red, with clouds of airy flowers flushed purple. Hardy. Up to 1.5m [Collect Only]

Panicum virgatum 'Shenandoah' (Switch grass 'Shenandoah'): Deciduous clump-forming grass with strappy green leaves turning purple/red in autumn, airy panicles of flowers flushed purple. Hardy. Up to 1.1m.

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. [Collect Only]

Pennisetum alopecuroides 'Hameln' (Fountain grass 'Hameln'): A deciduous clump-forming grass with spectacular feathery flowers tinged purple. Full sun. May need some protection in cold areas. Up to 1m.

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 '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

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

Rudbeckia fulgida var. deamii: Classic garden perennial flowering in mid-late summer with bright gold daisy flowers with black centres. Hardy. Up to 60cm.

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. [Collect Only]

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

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

Sanguisorba 'Chocolate Tip': Spikes of burgundy-red bobble-like flowers appear in late summer over green leaves tinged with brown. Hardy. Up to 1m. [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.

Sanguisorba 'Proud Mary' (Burnet 'Proud Mary'): Burgundy-red bobbly flowers appear in late summer over crinkled blue-green leaves. Long flowering. Hardy. Up to 60cm. [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 officinalis 'Red Thunder' (Burnet 'Red Thunder'): Stems of dark-red bobble-like flowers above attractive divided foliage. Up to 1.2m. [Collect Only]

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. [Collect Only]

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. [Collect Only]

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 'Munstead Red' (Syn. Hylotelephium 'Munstead Red'): Glaucous green succulent leaves tinged with purple and deep red flowers. Compact habit, doesn't tend to flop. Hardy. Up to 60cm. [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) (Rue 'Splendide White'): Pure white flowers open from spherical buds. Spectacular in dappled shade

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.