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

Astilbe 'Sprite' (simplicifolia hybrid): A shorter form of this popular perennial with panicles of pale pink flowers & dark green ferny leaves. Good for damp or shady spots. Hardy. Up to 30cm.

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 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.

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.

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.

Calamintha nepeta 'Blue Cloud': Spikes of small, soft blue flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Calamintha nepeta 'White Cloud': Spikes of small white flowers above mounds of minty scented green leaves. Loved by bees and butterflies. Hardy. Up to 30cm.

Campanula glomerata 'Alba' (White clustered bellflower): Tight clusters of white flowers on short stems above neat, mat-forming foliage. Height about 30cm. Hardy.

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

Dicentra 'King of Hearts': Bright rose pendent flowers held above blue-green ferny foliage. Likes a sheltered spot in dappled shade, not too dry. Hardy. Up to 25cm. [Collect Only]

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

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.

Erythronium 'Pagoda' (Dog's tooth violet): A real spring beauty with large lemon yellow flowers with swept back petals. [Collect Only]

Fragaria x ananassa 'Red Ruby' (PBR) (Deep pink flowered strawberry): An ornamental strawberry plant with dark pink flowers from spring to autumn. Good ground cover

Geranium himalayense 'Baby Blue' (Cranesbill 'Baby Blue'): Large blue cup shaped flowers with purple veining. Spreading habit, forming a carpet of deeply divided leaves. Hardy. Up to 30cm.

Geranium himalayense 'Gravetye' (Cranesbill 'Gravetye'): Purplish blue cup shaped flowers with purple veining. Pink tinged early foliage, spreading habit

Geranium macrorrhizum 'Bevan's Variety' (Cranesbill 'Bevan's Variety'): Superb ground cover Geranium especially for dry shade. Bright pink over a dense mound of aromatic foliage. Hardy. To 30cm.

Geranium maculatum 'Album' (white spotted cranesbill): Clean white flowers over neat foliage. Great for establishing under trees and in shady areas.

Geranium maculatum 'Elizabeth Ann' (Spotted cranesbill 'Elizabeth Ann'): Pink flowers over dark, almost wine red leaves. Fully hardy. Height to 40cm.

Geranium Patricia = 'Brempat' (Cranesbill 'Patricia'): Masses of magenta flowers over fresh green foliage. Height to 30cm. Fully hardy.

Geranium Rozanne = 'Gerwat' (PBR) (Geranium 'Rozanne'): Noted for its large blue, white centred flowers and very long flowering period. A fine border geranium. Doesn't run. To 30cm. Hardy [Collect Only]

Geum 'Borisii': A shorter form with vivid orange-red flowers on upright stems and semi-evergreen foliage. Vigorous and good for front of border. Hardy. Up to 30cm.

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

Geum 'Lemon Drops' (Avens 'Lemon Drops'): Primrose yellow flowers, semi-evergreen foliage. To 50cm. Hardy and reliable. [Collect Only]

Geum 'Rusty Young' (Avens 'Rusty Young'): Warm golden yellow flowers splashed with coppery red.

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.

Heuchera 'Midnight Rose': Darkest purple leaves, splashed with bright pink. Excellent for all year round foliage colour. Hardy. Up to 30cm. [Collect Only]

Heuchera 'Obsidian' (PBR): Darkest purple leaves, almost black and glossy. Superb in pots - imagine it in a silver one!.

Hosta 'Devon Green': Elegant hosta with tapering, dark green, fine-veined leaves. Lilac flowers in summer

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.

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.

Maianthemum bifolium (False lily of the valley): Shade-loving spreading perennial. Pairs of glossy oval leaves. Like a mini-hosta. Spikes of white star-shaped flowers. Hardy. Up to 10cm. [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.

Ophiopogon japonicus 'Silver Mist' (Mondo Grass 'Silver Mist'): Grass-like evergreen perennial with variegated strappy leaves. Lavender flower spikes in the summer followed by black berries. Hardy. Up to 30cm.

Ophiopogon planescapus 'Nigrescens' (Black lilyturf): Jet back strappy leaves and purplish flowers in mid-summer. Widely and rightly used in modern planting schemes against silvery plants and paving.

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.

Phlox divaricata 'Clouds of Perfume': Deliciously scented and delicate pale blue flowers which are long-lasting. Prefers some partial shade. Hardy. Up to 30cm.

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

Polemonium 'Northern Lights' (Jacob's Ladder 'Northern Lights'): Heavenly scented, compact form of Jacob's Ladder, with warm blue flowers

Primula 'Francisca' (Polyanthus 'Francisca'): Really unusual variety with green/acid yellow flowers. Very eye-catching flowers which last for absolutely ages. To 20cm. Hardy.

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

Primula denticulata var. alba (Drumstick primula - white): Pure white 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 'Snowdrop' (Japanese Woodland Primula 'Snowdrop'): Pure white open flowers over a rosette of green leaves. Prefers a moist soil. Hardy. Up to 20cm.

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

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.

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

Pulmonaria 'Victorian Brooch' (PBR) (Lungwort 'Victorian Brooch'): Superb variety with flowers in varying shades of rich pink. To 30cm. Hardy

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

Tiarella 'Spring Symphony' (PBR) (Foam flower 'Spring Symphony'): Perennial with deeply divided foliage with dark blotch in centre. Long flowering with spikes of white star-shaped flowers. Hardy. To 30cm