Actaea 'Queen of Sheba' (PBR) (Baneberry 'Queen of Sheba' (Previously known as Cimicifuga)): An excellent variety with attractive dark almost black foliage and tall stems of white flowers which hang downwards.Hardy. Up to 1.5m. [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

Actaea simplex 'Hillside Black Beauty' (Baneberry 'Hillside Black Beauty' (Previously known as Cimicifu): Spires of scented pale pink flowers in late summer over very attractive ferny dark foliage. A great statement plant for 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]

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

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. Up to 75cm.

Aster trifoliatus subsp. ageratoides 'Ashvi': White flowers in a neat mound over a very long season - July to November. Hardy. Up to 80cm.

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.

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. [Collect Only]

Calamagrostis brachytricha (Korean feather reed grass): Arching, plump spikes of silvery purplish flowerheads turning golden brown in winter. Up to 1m.

Cichorium intybus (Wild chicory): Large cup shaped white flowers over soft ferny foliage. Thrives in sunny, well drained spots. To 2m

Crocosmia 'Emberglow': Vibrant deep-red funnel shaped flowers in late summer with sword shaped green foliage. A shorted variety than 'Lucifer'. To 70cm.

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

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]

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.

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 wlassovianum: Warm purple flowers over attractive velvety foliage. Excellent autumn foliage colour. To 40cm. [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.

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. [Collect Only]

Ligularia przewalskii: Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage. [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 clethroides (Gooseneck Loosestrife): Spikes of white flowers arch over and tip up again, like a goose or swan neck. To 1m. Hardy

Molinia caerulea 'Dauerstrahl' (Purple moor grass 'Dauerstrahl'): Upright, purple, flower stalks with slender purple flower heads in late summer. Mounds of mid-green foliage from spring. Hardy. Up to 1m.

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.

Persicaria amplexicaulis 'Alba' (white flowered red bistort): Spikes of white flowers in late summer. Large oval pointed leaves. Hardy. Up to 1.2m.

Persicaria amplexicaulis 'Amethyst Summer' (Red Bistort 'Amethyst Summer'): New colour form with dark pink flowers with hint of purple. Large oval pointed leaves. A robust plant that can grow almost anywhere. Hardy. To 1m

Persicaria amplexicaulis 'Pink Elephant' (Red bistort 'Pink Elephant'): A compact form but still vigorous with lovely spikes of pink flowers and good robust foliage. Long flowering. Easy and reliable. Hardy. Up to 50cm.

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

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.

Rudbeckia laciniata: Very tall form adding impact to borders. Vibrant yellow flowers with a darker central cone. Great late-flowering perennial, looks good with grasses. To 2.5m. [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 '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 '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.

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.

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

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

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]