Acanthus mollis (Latifolius Group) 'Rue Ledan (Bear's Breeches 'Rue Ledan'): Architectural spikes of hooded pure white spiny flowers over large, soft, bright green leaves. Best in sun or part shade. Height to 1.2m [Collect Only]

Achillea 'Moonshine' (Yarrow 'Moonshine'): Very popular variety with large bright yellow/gold flowerheads above silvery green ferny foliage. Height to 80cm

Achillea 'Paprika' (Yarrow 'Paprika'): As its name suggests, rich, dark orange flowerheads above ferny green foliage. Great in full sun and light soils. Height to 75cm

Achillea 'Pretty Belinda' (Yarrow 'Pretty Belinda'): Bright pink, flat flowerheads over ferny green foliage. Shorter than most other Achilleas at about 50cm. Best in full sun, light soil.

Achillea 'Summerwine' (Yarrow 'Summerwine'): Bright, beaujolais wine red flat flowerheads over ferny foliage. Perfect for pollinators. Thrives in full sun and dry soil. Up to 90cm.

Achillea 'Terracotta' (Yarrow 'Terracotta'): A lovely, multi-hued variety opening warm orange and fading slowly to a rich cream. Full sun and light soil. Hardy. To 80cm

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.

Achillea millefolium 'Cerise Queen' (Yarrow 'Cerise Queen'): Flat umbels of tightly clustered deep pink flowers in summer and autumn. Height 60cm

Achillea millefolium 'Red Velvet' (Yarrow 'Red Velvet'): Superb ruby red flowers over ferny green foliage. Doesn't fade with age. In flower late June to Sept. Height to 60cm.

Amsonia tabernaemontana (Blue dogbane): Starry blue flowers on strong stems with willowy green leaves. Hardy. Up to 90cm.

Anthemis tinctoria 'Lemon Ice' (Dyer's chamomile 'Lemon Ice'): Creamy daisy flowers with a deep yellow centre. Ferny greyish green foliage. Excellent in sunny, dryish spots. Up to 45cm

Anthemis tinctoria 'Sauce Hollandaise' (Dyer's chamomile 'Sauce Hollandaise'): Lemon daisy flowers with a deep yellow centre. Excellent in sunny, dryish spots. Doesn't like wet soils. Hardy. Up to 50cm.

Anthyllis vulneraria var. coccinea: Forms low mounds of frondy foliage with masses of scarlet, pea-like flowers.

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.

Catananche caerulea 'Alba' (Cupid's Dart (White)): Papery white flowers above slender grey-green foliage. Flower heads retains attractive form through winter. To 60cm. Hardy

Catananche caerulea 'Major' (Cupid's dart 'Major'): Masses of papery blue flowers held on wiry stems all summer. Seed heads turn silver in late summer.

Centaurea 'Jordy' (Perennial cornflower 'Jordy'): Beautiful maroon-purple flowers over felty silvery-green foliage.

Centaurea montana 'Carnea' (Perennial cornflower 'Carnea'): A lovely soft pink form of the perennial cornflower. Mounds of silvery soft green foliage. Prefers a sunny spot and good drainage. Hardy. Up to 45cm.

Centaurea montana 'Purple Heart' (Perennial cornflower 'Purple Heart'): Large white cornflower-like flowers with violet central markings. To 30cm. Hardy

Dianthus 'Devon Wizard' (Pink 'Devon Wizard'): Fragrant, bright deep pink, double flowers and evergreen grey-green foliage. Classic cottage garden plant. Hardy. Up to 30cm.

Dianthus cruentus (Blood pink): Deepest red flowers held on airy stems above grassy foliage.

Digitalis purpurea 'Alba' (White foxglove): Pure white flowers on tall spires in late spring. Biennial so keep and re-sow the seed

Epimedium 'Amber Queen' (PBR) (Barrenwort 'Amber Queen'): Amber is the perfect description for the flower colour, held well about the leaves in mid-spring. Hardy. Up to 30cm.

Epimedium 'Spine Tingler' (Barrenwort 'Spine Tingler'): Very distinctive variety with long, tooth-edged leaves, rather like a holly and lemon yellow flowers. Hardy. To 30cm.

Epimedium grandiflorum 'Red Beauty' (Barrenwort 'Red Beauty'): Large purple-pink flowers with white tips to the spurs, held on wiry stems above the heart-shaped leaves. Hardy. Up to 30cm.

Epimedium grandiflorum 'White Queen' (Barrenwort 'White Queen'): Among the largest and showiest of white flowered Epimediums. To 30cm. Hardy.

Epimedium pinnatum subsp colchicum (Barrenwort): Attractive, evergreen, spiny, green leaves with yellow flowers held above the foliage. Shady ground cover. Hardy. Up to 30cm.

Epimedium x perralchicum 'Frohnleiten' (Barrenwort 'Frohnleiten'): Heart-shaped leaves are bronze-tinted, wiry stems of yellow, star-like flowers in spring. Shady ground cover. Hardy. Up to 30cm.

Epimedium x rubrum (red barrenwort): Green heart shaped leaves tinged with red around the edges in spring. Small red flowers with yellow undersides. To 30cm. Hardy

Epimedium x warleyense (Barrenwort): Dainty orange flowers in spring with yellow centres. Great for shady areas. To 30cm. Hardy.

Epimedium x warleyense 'Orangekonigin' (Barrenwort 'Orangekonigin'): New variety with orange flowers in the spring. Flowers held above heart-shaped leaves. Shady ground cover. Hardy. Up to 30cm.

Euphorbia myrsinites (Spurge): Sprawling stems of glaucous leaves and acid green flowers in spring. Prefers full sun and good drainage. Hardy. Up to 30cm.

Geranium wlassovianum: Warm purple flowers over attractive velvety foliage. Excellent autumn foliage colour. [Collect Only]

Kniphofia 'Alcazar' (Red hot poker 'Alcazar'): Tall spikes of vibrant red-orange flowers opening to a paler yellow to give a two-tone effect. Strappy green foliage. Hardy. Up to 1.2m.

Kniphofia 'Bees Lemon' (Red hot poker 'Bees Lemon'): Short lemony green flower spikes over slender foliage. To 90cm. Hardy.

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.

Lathyrus vernus (Spring pea): Two-tone purple and pink pea-like flowers in early spring. Thrives in shade, even quite dry shade. To 30cm. Hardy.

Lathyrus vernus 'Alboroseus' (Spring pea): Two-tone pink/white pea-like flowers in early spring. Very pretty perennial which forms neat clumps. Thrives in shade.

Linum perenne 'Blau Saphir' (Syn. L. perenne 'Blue Sapphire') (Perennial flax): Slender wand like stems, topped with open faced blue flowers in summer. To 30cm. Hardy.

Liriope muscari 'Big Blue' (Blue turf lily 'Big Blue'): Spikes of vibrant purple flowers in autumn, larger than the usual form, evergreen strappy foliage. Good for dry shade. Hardy. Up to 50cm

Liriope muscari 'Monroe White' (Blue turf lily 'Monroe White'): Spikes of pure white flowers in autumn, evergreen strappy grass-like foliage. Prefers a shady spot. Hardy. Up to 30cm.

Liriope muscari 'Royal Purple' (Blue turf lily 'Royal Purple'): Spikes of deep purple flowers in autumn above dark-green evergreen strappy foliage. Can tolerate dry shade. Hardy. Up to 50cm.

Nepeta racemosa 'Snowflake' (Catmint 'Snowflake'): Compact variety of catmint forming mounds of silvery-green foliage and masses of clear white flowers. Loved by bees. Hardy. Up to 45cm.

Nepeta racemosa 'Walker's Low' (Catmint 'Walker's Low'): Forms neat mounds of silvery green foliage, topped with masses of lavender blue flowers in early summer. Up to 40cm. Hardy.

Nepeta x faasenii 'Junior Walker' (Catmint 'Junior Walker'): A more compact variety of catmint with mounds of aromatic silvery green foliage and lavender blue flowers.Hardy. Up to 40cm.

Oenothera macrocarpa (Missouri evening primrose): Huge trumpet shaped yellow flowers through mid-summer on a low, spreading plant. [Collect Only]

Origanum 'Kent Beauty' (Marjoram 'Kent Beauty'): Largely grown for it's attractive flowers which hang from this low growing plant like pink hops.

Perovskia 'Blue Spire' (Russian Sage 'Blue Spire'): Fine spikes of purple flowers on silver stems. Lovely winter stem effect. Hardy. Up to 1m. [Collect Only]

Perovskia 'Filigran' (Russian Sage 'Filigran'): Silvery foliage & spikes of purple flowers in mid-summer. More upright than other cultivars. Lovely winter stem effect. Hardy. Up to 1.5m. [Collect Only]

Persicaria affinis 'Darjeeling Red' (Knotweed 'Darjeeling Red'): Semi-evergreen mat-forming perennial with green narrow leaves that turn bronze over winter. Spikes of pink poker-like flowers which darken with age.

Phlomis russeliana (Turkish sage): Whorls of lemon yellow flowers rise above mats of grey-green rough leaves. Hardy. To 50cm.

Primula vulgaris (Primrose): The much loved wild primrose which self-seeds merrily here at the nursery. To 20cm. Hardy.

Saxifraga x urbium (London Pride): Wiry stems topped with dainty pale pink flowers over ground evergreen rosettes of green leaves with creamy yellow markings.

Veronica austriaca 'Crater Lake Blue' (Speedwell 'Crater Lake Blue'): Vivid blue spikes above a mound of green foliage.To 30cm. Hardy.

Vinca minor f. alba 'Gertrude Jekyll' (Small white periwinkle 'Gertrude Jekyll'): A compact mat-forming evergreen perennial with trailing stems of dark green leaves. White flowers from mid spring to autumn.