Amsonia hubrichtii (Hubricht's bluestar): Clumps of soft feathery green foliage and palest blue star-like flowers in late Spring. Textural plant. Attractive autumn colour. Up to 60cm. Hardy [Collect Only]

Anemone sylvestris (Snowdrop anemone): Large pure white flowers over a mound of green ferny foliage. Hardy. Up to 30cm.

Aquilegia 'Dragonfly Hybrids' (Granny's bonnet. Columbine 'Dragonfly Hybrids'): Large trumpet flowers with long spurs in mixed colours and bicolours in late spring. Attractive to bees/insects. Hardy. Up to 80cm.

Aquilegia vulgaris var. stellata 'White Barlow' (Granny's bonnet. Columbine 'White Barlow'): Pure white, double flowers in spring. Best grown in shade, but does fine in some sun if not too dry. Hardy Height to 50cm

Bergenia 'Bach' (Elephant's ears 'Bach'): Glossy, dark green foliage. Icy pink flowers with reddish stalks in late winter/spring. Neat and tidy plant. [Collect Only]

Bergenia 'Overture' (Elephant's ears 'Overture'): Vibrant magenta flowers over deep green leaves that turn claret in winter. Hardy. Up to 30cm. [Collect Only]

Bergenia cordifolia 'Vinterglod' (Elephant's ears 'Vinterglod' (Winterglow)): Dark, glossy green leaves, turning red in the winter. Dark red stems with dark pink bell-shaped flowers in Spring. Great ground-cover. [Collect Only]

Brunnera macrophylla (Siberian bugloss): Heart shaped green leaves, with sprays of palest blue flowers in spring. Good in shade. [Collect Only]

Brunnera macrophylla 'Alexander's Great' (PBR) (Siberian bugloss 'Alexander's Great'): Statement foliage plant for shade. Large, heart-shaped, silver leaves. Light-blue forget-me-not-like flowers in Spring. Hardy. Up to 40cm.

Brunnera macrophylla 'Dawson's White' (Siberian bugloss 'Dawson's White'): Heart-shaped green leaves variably edged in creamy white with sprays of blue forget-me-not flowers in spring. Hardy. Up to 15cm. [Collect Only]

Brunnera macrophylla 'Emerald Mist' (PBR) (Siberian bugloss 'Emerald Mist'): Large heart shaped leaves with silver banding. Long stems of pale blue forget-me-not flowers. Hardy. Up to 40cm. [Collect Only]

Brunnera macrophylla 'Hadspen Cream' (Siberian bugloss 'Hadspen Cream'): Large, heartshaped green leaves with wide cream margin. Sprays of forget-me-not blue flowers in spring. Hardy. Up to 45cm.

Brunnera macrophylla 'Jack Frost' (PBR) (Siberian bugloss 'Jack Frost'): Large, heartshaped silver leaves with green veins and leaf edges. Sprays of forget-me-not blue flowers in spring.Shade-loving plant. Hardy. Up to 45cm.

Brunnera macrophylla 'Jennifer' (Siberian bugloss 'Jennifer'): Sprays of bi-coloured blue and white forget-me-not-like flowers above green heart-shaped leaves. A great shade-loving plant. Hardy. Up to 45cm.

Brunnera macrophylla 'Sea Heart' (PBR) (Siberian bugloss 'Sea Heart'): Large heart-shaped leaves with strong silver colouration with green veins. Sprays of forget-me-not blue flowers. Hardy. Up to 30cm. [Collect Only]

Brunnera macrophylla 'Variegata' (Siberian bugloss 'Variegata'): Large, heartshaped leaves with bold variegation. Sprays of forget-me-not blue flowers in spring. Superb shade plant. Hardy. Up to 45cm. [Collect Only]

Convallaria majalis (Lily of the Valley): Scented white bells in spring, Great for spreading around in shade. [Collect Only]

Convallaria majalis 'Flore Pleno' (Lily of the Valley - double flowered): Scented double white bells in spring, Great for spreading around in shade. To 20cm. [Collect Only]

Dianthus anatolicus: Compact evergreen plant with dense mound of foliage and delicate pink flowers in the spring. Hardy. Up to 15cm.

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 'Purple Pixie' (PBR) (Barrenwort 'Purple Pixie'): Unusual reddish-purple flowers with prominent white spurs, held on wiry stems above the heart-shaped leaves. Hardy. Up to 30cm. [Collect Only]

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 perralderianum (Barrenwort): Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade [Collect Only]

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

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

Euphorbia characias Silver Swan = 'Wilcott' (PBR) (Spurge 'Silver Swan'): A striking, variegated form with blue-green leaves edged in white. Green and white flowering bracts in late Spring. [Collect Only]

Geranium phaeum (Dusky cranesbill): Purple flowers with swept-back petals held high above soft green foliage. Early to flower, reliable and easy. To 60cm. Hardy.

Geranium phaeum 'Raven' (Dusky cranesbill 'Raven'): Dark purple flowers with long stamens and swept-back petals held high above soft green foliage. Great for shady areas. To 60cm. Hardy. [Collect Only]

Geum 'Nonna' (Avens 'Nonna'): New variety with warm apricot semi-double flowers edged in orange, above hairy green foliage. Long flowering. Hardy. Up to 40cm.

Hepatica nobilis: Pretty bowl shaped blue flowers in early spring.

Lamium maculatum 'Pink Pewter' (Spotted deadnettle 'Pink Pewter'): A low ground cover plant with silvery heart-shaped leaves and short stems of pink flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lamium maculatum 'White Nancy' (Spotted dead nettle 'White Nancy'): A low ground cover plant with silvery heart-shaped leaves and short stems of white flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lamprocapnos spectabilis (Bleeding Heart, Dicentra): Arching stems with hanging, heart shaped pink flowers. A spring classic. [Collect Only]

Lamprocapnos spectabilis 'Valentine' (Bleeding Heart, Dicentra): Superb warm red flowered version of this familiar spring flowerer. Hardy. Up to 80cm. [Collect Only]

Maianthemum racemosum (False solomon's seal. Syn. Smilacena racemosa): Arching sprays of white flowers with bold, oval green foliage. A fine woodland plant, especially if soil is not too dry. To 90cm. Hardy. [Collect Only]

Mukdenia rossii: Short plump spikes of white flowers in spring, but mainly grown for its foliage which turns brilliant red in autumn. Up to 30cm.

Omphalodes cappadocica 'Cherry Ingram' (Navelwort 'Cherry Ingram'): An early spring flowering perennial with lustrous leaves and pretty deep blue flowers in early spring.

Paeonia 'Buckeye Belle' (Peony 'Buckeye Belle'): Blowsy, glossy, deep red, semi-double large flowers with golden stamens. Attractive green foliage. A real stand-out plant. [Collect Only]

Paeonia 'Flame' (Paeony 'Flame'): Rich and shiny scarlet red single flowers with a yellow centre. Glossy dark green leaves. Hardy. Up to 80cm. [Collect Only]

Paeonia lactiflora 'Bowl of Beauty' (Peony 'Bowl of Beauty'): Huge sugar-pink petal bowls filled with ripples of yellow ribbony bits. Swoon-worthy. [Collect Only]

Paeonia lactiflora 'Moon of Nippon' (Paeony 'Moon of Nippon'): Large single white flowers with a mass of frilly central bright yellow petaloids. Highly scented. Glossy dark green leaves. Hardy. Up to 90cm. [Collect Only]

Paeonia lactiflora 'Nymphe' (Peony 'Nymphe'): Strongly scented deep pink flowers with a golden centre. Attractive dark green foliage. Hardy. Up to 90cm. [Collect Only]

Paeonia lactiflora 'Sarah Bernhardt' (Paeony 'Sarah Bernhardt'): A gorgeous form with lightly scented, large double pale pink flowers. Glossy dark green leaves. It may require staking. Hardy. Up to 90cm. [Collect Only]

Paeonia lactiflora 'White Wings' (Peony 'White Wings'): Single, lightly fragrant white flowers with gold centre. Full sun or light shade, rich but open soil best. To 1m. Fully hardy. [Collect Only]

Primula denticulata var. alba (Drumstick primula - white): Pure white balls of flowers on sturdy stems. To 25cm. Hardy [Collect Only]

Primula elatior (Oxslip): Pale yellow, primrose colour flowers in clusters on gently arching stems.

Primula rosea 'Grandiflora': Bright pink flowers with a yellow centre on an erect stem, may flower before the leaves open. Prefers moist soil. Hardy. Up to 20cm. [Collect Only]

Primula sikkimensis (Himalayan cowslip): Tall stems with clusters of pendulous pale yellow funnel-shaped scented flowers, rising from a rosette of green leaves. Up to 40cm.

Pulmonaria 'Blue Ensign' (Lungwort 'Blue Ensign'): Rich blue flowers in spring over unspotted dark green foliage. A reliable hardy perennial. Up to 30cm.

Pulmonaria 'Cotton Cool' (Lungwort 'Cotton Cool'): Slender leaves, so heavily spotted that they're almost completely silver. Classic pulmonaria purple/blue/pink flowers. To 30cm. Hardy. [Collect Only]

Pulmonaria 'Diana Clare' (Lungwort 'Diana Clare'): Long, slender silver foliage and purple flowers in spring. To 30cm Hardy.

Pulsatilla vulgaris 'Alba' (Pasque flower - white): Large cup shaped white flowers over soft ferny foliage. Thrives in sunny, well drained spots.

Pulsatilla vulgaris 'Rote Glocke' (Pasque flower 'Red Clock'): Large dark red flowers with yellow stamens flowers over soft ferny foliage. Thrives in sunny, well drained spots. To 40cm. Hardy.

Tiarella 'Iron Butterfly' (PBR) (Foam flower 'Iron Butterfly'): Deeply cut green leaves with a purple-black centre. Long flowering spikes of pale-pink star-like flowers. Hardy. Up to 30cm.