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

Anemonella thalictroides (Mayflower): Gorgeous little white flowers over dainty foliage. Hardy. To 20cm.

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 'Red Hobbit (Granny's bonnet. Columbine 'Red Hobbit): Large two-tone cherry red flowers with white corolla in spring. A shorter variety. Hardy. Height to 30cm.

Aquilegia chrysantha 'Yellow Queen' (Granny's bonnet. Columbine 'Yellow Queen'): Bright yellow, fragrant flowers with long spurs on tall stems above ferny foliage. Prefers some shade. Hardy. Up to 90cm.

Aquilegia McKana group (Granny's bonnet. Columbine): Large trumpet flowers with long spurs in lemon yellow and other pastel colours in late spring. Attractive to bees. Hardy. Up to 80cm.

Bergenia 'Baby Doll' (Elephant's ears 'Baby Doll'): A compact form with rounded evergreen leaves and short sprays of pale pink flowers in spring.

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

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]

Bletilla striata (Hyacinth orchid): Pink orchid flowers on arching stems and sword-like leaves in late spring. Frost-hardy, so needs a sheltered spot. Up to 20cm.

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. [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 '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.

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]

Cardamine quinquefolia: Light purple flowers emerge very early in spring, with attractive deeply divided leaves. Foliage dies down in summer.

Caulophyllum thalictroides (Blue cahosh): Shade-loving with yellow-brown flowers in spring, followed by blue berry-like seeds in autumn. Attractive, divided blue-grey foliage. Hardy. Up to 1m.

Cornus canadensis (creeping dogwood): Ground cover plant with white four petalled flowers in spring. Leaves turn brilliant red in autumn. Ideal under deciduous trees

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

Disporum longistylum 'Green Giant': Elegant woodlander with white-green, pendant flowers and glossy dark evergreen leaves. Bamboo-like form, prefers a shady spot. Hardy. Up to 1.2m. [Collect Only]

Dodecatheon meadia (Shooting stars, American cowslip): Bright pink flowers in spring, swept back to reveal a yellow 'nose'. Hardy, but best grown in a sheltered spot. Up to 20cm.

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 amygdaloides 'Purpurea' (Purple spurge): Evergreen maroon foliage contrasts sharply with lime green flowers in spring. Height to 30cm. Hardy

Euphorbia amygdaloides var. robbiae (Mrs Robb's bonnet): Great plant for difficult dry, shady areas. Evergreen dark-green leaves and vibrant lime-green flowers in spring. Suckers and can spread.

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

Euphorbia palustris (Marsh spurge): Bright acid green bracts in spring. Height to 90cm. Hardy.

Euphorbia polychroma (Many-coloured spurge, Syn. Euphorbia epithymoides): Bright, acid-green bracts in spring. Forms neat mound at front of border. To 30cm. Hardy

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.

Geranium phaeum pale purple (Dusky cranesbill pale purple): Pale purple flowers with swept-back petals held high above soft green foliage. Early to flower, reliable and easy.

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

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.

Lamium orvala 'Album': A woodland perennial with large, white, lipped flowers in late spring. Hardy. Up to 50cm.

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]

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.

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.

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 'Festiva Maxima' (Paeony 'Festiva Maxima'): A strongly scented form with large double frilly white flowers with tints of pink in the centre. Glossy dark green leaves. Hardy. Up to 90cm. [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 officinalis 'Alba Plena' (Peony 'Alba Plena'): Sumptuous, large double white flowers above green foliage in May. A traditional cottage garden plant. May need support. [Collect Only]

Podophyllum peltatum (May apple): Large umbrella like leaves, with white waxy flowers beneath. A fine woodland plant. Height to 30cm. Hardy.

Podophyllum versipelle 'Spotty Dotty' (Himalayan May apple 'Spotty Dotty'): A stunning foliage plant with large umbrella-like leaves with dark bronze spots and red flowers which hang below the leaves. Hardy Up to 40cm.

Primula 'Francisca' (Polyanthus 'Francisca'): Really unusual variety with green/acid yellow flowers. To 20cm. Hardy.

Primula denticulata 'Rubin' (Drumstick primula 'Rubin'): Dark pink/magenta balls of flowers on sturdy stems. To 25cm. Hardy

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

Primula sieboldii: Mixed colour range of pink, purples and white flowers above a rosette of crinkled green leaves. Best grown in moist shade. Hardy. To 30cm.

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

Primula vulgaris 'Dunbeg' (Primrose 'Dunbeg'): Soft apricot primrose flowers which perfectly tone with the dark purplish foliage. Hardy. Height to 20cm.

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 'Sissinghurst White' (Lungwort 'Sissinghurst White'): Clusters of pure white flowers in spring over white spotted green leaves. To 20cm. Hardy.

Pulmonaria saccharata 'Leopard' (Lungwort 'Leopard'): Rich pink flowers in mid-spring with green foliage heavily spotted with silver. Good in shade. To 30cm. Hardy

Thalictrum aquilegiifolium 'Album' (French meadow rue 'Album'): Clouds of fluffy white flowers in spring, foliage looks like an aquilegia, but much taller. To 1.5m Hardy

Thalictrum Nimbus Pink = 'Tntnp' (PBR) (Rue 'Nimbus Pink'): A new variety with dense clouds of fluffy lavender pink flowers on dark stems above grey-green ferny foliage like an aquilegia. Hardy. Up to 70cm.

Thalictrum Nimbus White = 'Tntnw' (PBR) (Rue 'Nimbus White'): A new variety with dense clouds of fluffy white flowers on dark stems above grey-green ferny foliage like an aquilegia. Hardy. Up to 70cm.

Trillium grandiflorum (American wake-robin): Pure white, three petalled flowers over three-leaved foliage.

Tulipa sprengeri: Gorgeous late flowering species tulip. Red with gold tones.