Ajuga reptans 'Alba' (Bugle, white flowered): Superb ground cover plant with bright green leaves and white flower spikes in summer. Very attractive to bees

Ajuga reptans Black Scallop = 'Binblasca' (PBR) (Bugle 'Black Scallop'): Shiny, darkest purple-red leaves look near black. Short spikes of blue flowers in summer.

Anemone 'Dreaming Swan' (PBR): Pure white flowers with lavender reverse. Hardy. To 60cm. [Collect Only]

Anemone 'Elfin Swan' (PBR): Pure white flowers with lavender reverse. More compact than 'Wild Swan'. Prefers a rich soil in part shade. Hardy. To 50cm.

Anemone Wild Swan = 'Macane001': Pure white flowers with a blueish purple reverse. Flowers on and off all summer. Needs good moist soil. Hardy. To 50cm.

Astrantia major subsp. involucrata (Hattie's pincushion, Masterwort): Longer than normal white bracts with green tips. Seed raised from the lovely plant by our nursery gate. Hardy. Up to 80cm.

Centaurea 'John Coutts' (Knapweed 'John Coutts'): Large almost fluffy soft pink flowers over green, slightly felty foliage with white undersides. To 40cm. Hardy.

Centaurea atropurpurea: Attractive deep-red, almost black thistle like flowers above silvery foliage. Good for bees and butterflies. Hardy. Up to 1m. [Collect Only]

Chaerophyllum hirsutum 'Roseum' (Hairy chervil 'Roseum'): Flat heads of tiny pink flowers over finely cut green foliage. Long flowering from early summer. Informal and soft. Up to 50cm. Hardy.

Crambe cordifolia: Huge sprays of white flowers over large, rhubarb-like leaves in early to mid-summer. Up to 1.5m. Hardy. [Collect Only]

Delphinium 'Astolat': A pacific hybrid perennial with tall spikes of lilac pink flowers. Prefers full sun. Cottage garden favourite. Hardy. Up to 1.8m.

Erigeron 'Adria' (Fleabane 'Adria'): Mound forming perennial forming masses of semi-double purple flowers with central yellow disc. Hardy. Up to 60cm.

Festuca amethystina: Evergreen grass with elegant, dusky purple arching flower stalks very early in season, for a grass.

Filipendula 'Red Umbrellas' (Meadowsweet 'Red Umbrellas'): Green leaves, deeply veined with crimson, with clouds of fluffy pink flowers. Compact variety. Prefers a moist soil. Hardy. Up to 70cm. [Collect Only]

Geranium 'Alan Mayes' (Cranesbill 'Alan Mayes'): Long flowering geranium with bright blue flowers with purple veining. Clumps of hairy green leaves, turning red in autumn. Hardy. Up to 45cm.

Geranium 'Brookside' (Cranesbill 'Brookside'): A reliable, robust variety with large rich blue flowers over a mound of deeply divided leaves. Height to 45cm. Hardy [Collect Only]

Geranium 'Ivan' (Cranesbill 'Ivan'): Vibrant magenta-pink flowers with a dark black centre above yellow green leaves. Leaves turn red in autumn. Hardy. Up to 50cm.

Geranium 'Little David' (Cranesbill 'Little David'): A low-growing compact geranium with vibrant magenta pink flowers held above deeply divided foliage. Prefers a sunny spot. Hardy. Up to 20cm.

Geranium 'Orion' (Cranesbill 'Orion'): A dome of deeply divided foliage, smothered in large blue flowers from early summer onwards

Geranium maculatum 'Beth Chatto' (Spotted cranesbill 'Beth Chatto'): Very pretty palest purple flowers held above attractive green foliage. To 50cm. Hardy.

Geranium maculatum 'Vickie Lynn' (Spotted cranesbill 'Vickie Lynn'): Pale lavender flowers above a clump of fresh green divided leaves. Prefers soil that doesn't dry out in summer. Hardy. Up to 45cm.

Geranium sanguineum 'Max Frei' (Bloody cranesbill 'Max Frei'): Neat mounds of bright pink flowers over dense, semi-evergreen foliage.

Geranium sylvaticum 'Album' (Wood cranesbill): Upright stems of white saucer-shaped flowers above deeply divided leaves. Prefers moist shadier spots. Hardy. Up to 70cm.

Geranium sylvaticum 'Mayflower' (Wood cranesbill 'Mayflower'): Tall variety of geranium with erect stems of violet-purple flowers with a white centre, above deeply divided leaves. Hardy. Up to 75cm. [Collect Only]

Geranium x cantabrigiense 'Westray' (PBR) (Cranesbill 'Westray'): Bright pink flowers on a low mound of small, near-evergreen leaves, red-flushed in late summer. To 20cm. Hardy [Collect Only]

Geranium x magnificum (Purple cranesbill): Covered in a mass of rich, violet-blue flowers in early summer. Large, slightly felty leaves. Vigorous but a short flowering season. Up to 70cm.

Geum 'Flames of Passion' (PBR) (Avens 'Flames of Passion'): Arching stems of double warm red flowers in summer. To 40cm. Hardy

Geum 'Georgenberg' (Avens 'Georgenburg'): Gold flowers held atop reddish stems in early to mid-summer. To 30cm. Hardy [Collect Only]

Geum 'Mai Tai' (PBR) (Avens 'Mai Tai'): Semi-double, pale apricot flowers above green foliage. Long-flowering. Hardy. Up to 45cm. [Collect Only]

Geum 'Mrs Bradshaw' (Avens 'Mrs Bradshaw'): Large double crimson-orange flowers in early-summer - a very eye-catching plant. Height to 70cm. Hardy

Geum 'Prinses Juliana' (Avens 'Prinses Juliana'): Bright orange flowers held on tall stems above mounds of rounded foliage. Flowers for ages and reflowers when cut back. [Collect Only]

Geum 'Savannah Sunset' (Avens 'Savannah Sunset'): Apricot, semi-double flowers with red buds held on red stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 35cm. [Collect Only]

Geum 'Scarlet Tempest' (PBR) (Avens 'Scarlet Tempest'): Scarlet, semi-double flowers held on tall stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 50cm.

Geum 'Stacey's Sunrise' (Avens 'Stacey's Sunrise'): Pale yellow flowers on compact stems above rosettes of rounded hairy leaves. Semi-evergreen. Long flowering. Hardy. Up to 30cm. [Collect Only]

Geum rivale 'Leonards Variety' (Avens 'Leonards Variety'): Coppery- rose flowers held above rosettes of rounded, softly hairy foliage. To 40cm. Hardy [Collect Only]

Hemerocallis 'Night Embers' (Day Lily 'Night Embers'): Large double red flowers with ruffled petals and a white edging, grass-like, strappy green foliage. Hardy. Up to 75cm. [Collect Only]

Hemerocallis 'Stella de Oro' (Day Lily 'Stella de Oro'): Pale yellow fragrant flowers with a darker yellow throat. Grass-like green foliage. Hardy. Up to 50cm. [Collect Only]

Hemerocallis citrina (Long yellow day lily): Fragrant lemon, yellow lily flowers on long stems above green strappy foliage. Flowers open in evening. Hardy. Up to 1.2m.

Iris 'Langport Wren': Sword-shaped glaucous green leaves and stems of up to 4 flowers, with rich reddish-purple and deep maroon almost brown flowers. [Collect Only]

Iris sibirica 'Gull's Wing' (Siberian Iris 'Gull's Wing'): Pure white flowers with a greeny yellow throat, over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 1m. [Collect Only]

Lamium orvala: A woodland perennial with large, crushed strawberry colour, lipped flowers in early summer. Hardy. Up to 50cm. [Collect Only]

Leucanthemum 'Goldfinch (Shasta Daisy 'Goldfinch'): Semi-double creamy yellow flowers which fade slowly to ivory white

Libertia grandiflora (Libertia): Starry white flowers above stiff, slender strappy green foliage. To 90cm.

Melica altissima 'Atropurpurea': Deciduous grass with green strappy leaves and large feathery purple flowers. Good for drying and as a cut flower. Hardy. Up to 80cm.

Melica altissmima 'Alba': Deciduous grass with green strappy leaves and delicate sprays of white flowers. Very tactile plant. Hardy. Up to 90cm.

Miscanthus transmorissonensis: Tall elegant, evergreen grass with arching stems of silvery grey flower heads. Flowers held well above the foliage. Hardy. Up to 1.2m. [Collect Only]

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.

Papaver orientale 'Beauty of Livermere' (Oriental poppy 'Beauty of Livermere'): Brilliant red papery flowers with black central splash, softly hairy bright green leaves. Flowers in early summer. To 50cm. Hardy.

Papaver orientale 'Patty's Plum' (Oriental poppy 'Patty's Plum'): Huge sultry, antique bronzey purple flowers held above green hairy leaves

Papaver orientale 'Royal Wedding': Clear white flowers with a dark centre above hairy foliage. Prefers a well-drained sunny site Hardy. Up to 60cm.

Phlox divaricata 'White Perfume': Deliciously scented and delicate pure white flowers which are long-lasting. Prefers some partial shade. Hardy. Up to 30cm.

Phlox subulata 'Lilacina' (Moss phlox 'Lilacina'): Pale blue star-like flowers above a cushion of hairy narrow leaves. Good for alpine beds or rockeries. Hardy. Up to 15cm.

Polemonium caeruleum Brise d'Anjou = 'Blanjou' (Jacob's Ladder 'Brise d'Anjou'): Variegated polemonium with ferny creamy yellow and green foliage. It has delicate cup-shaped lilac blue flowers in early summer. Hardy. Up to 60cm.

Polemonium reptans 'Stairway to Heaven' (PBR) (Jacob's Ladder 'Stairway to Heaven'): Superb variety with attractive variegated foliage and lavender blue flowers. To 50cm. Hardy

Potentilla 'Arc-en-ciel' (Cinquefoil 'Arc-en-ciel'): Double, rich red flowers flecked with yellow at the petal edges. Easy and trouble-free plant, ideal for well drained borders in sun or part shade [Collect Only]

Potentilla 'Blazeaway' (Cinquefoil 'Blazeaway'): Zingy orange flowers, flecked with yellow and red in summer over clumps of dark green foliage. Hardy. Up to 50cm. [Collect Only]

Salvia nemorosa 'Caradonna' (Balkan Clary 'Caradonna'): Rich purple spikes in early summer - just in time for Chelsea Flower Show at which is widely used.To 50cm. 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.

Sedum spathulifolium 'Purpureum' (Purple stonecrop): Mat forming, fleshy purple rosettes with an attractive grey cast when young. Yellow flowers in summer.

Shade-loving collection (Four very special plants for dappled shade): A lovely collection of two Tiarellas, Hakonechloa 'Aureola' and perennial Honesty, Lunaria rediviva

Thalictrum aquilegiifolium (French meadow rue): Fluffy heads of pale pink or white flowers in early summer [Collect Only]

Thermopsis rhombifolia var. montana: Lupin-like with sunny yellow pea-like flowers and bright green foliage. Flowers followed by velvety-brown seed pods. Hardy. Up to 90cm.

Tiarella 'Pink Bouquet' (Foam flower 'Pink Bouquet'): Palest pink flower spikes from spring to mid-summer. Maple shaped green leaves with slim dark central markings. To 30cm. Hardy

Veronica spicata 'Purpleicious' (Spiked speedwell 'Purpleicious'): Spikes of dark-purple flowers over a mound of shiny green leaves. Long-flowering and excellent as a cut flower. Hardy. Up to 50cm. [Collect Only]