Alchemilla mollis (Lady's mantle): Bright green soft leaves and a froth of acid yellow/green flowers in summer. Very easy for ground cover

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

Athyrium niponicum 'Red Beauty' (Japanese painted fern 'Red Beauty'): Deciduous fern with silvery green arching fronds with reddish-purple stems. Prefers a moist shady site. Hardy. Up to 50cm. [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.

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 '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.

Carex oshimensis 'Evergold' (Japanese sedge 'Evergold'): Evergreen, strappy leaves with a vibrant yellow centre and bright green edges. Hardy, easy and trouble-free. Up to 30cm.

Centaurea montana 'Alba' (Perennial cornflower - white): Large white cornflower-like flowers over grey-green foliage. To 30cm. Hardy.

Ceratostigma plumbaginoides (Plumbago, Hardy plumbago, dwarf plumbago): Brilliant blue flowers in later summer over foliage which turns redder as winter approaches.

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

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

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.

Erigeron 'Foerster's Liebling' (Fleabane 'Foerster's Liebling'): Large semi-double deep pink flowers with a bright yellow eye. Great for sunny, well-drained spots. Easy and reliable. Hardy. Up to 30cm.

Erigeron glaucus 'Sea Breeze' (Fleabane 'Sea Breeze'): Sun loving, pink daisy with fleshy evergreen leaves. Great for naturalising in rock walls, and dry border edges. To 20cm. Hardy.

Euphorbia amygdaloides 'Purpurea' (Purple spurge): Evergreen maroon foliage contrasts sharply with lime green flowers in spring. Height to 30cm. 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 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 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 nodosum 'Silverwood' (Knotted cranesbill 'Silverwood'): Pure white form of the more common pink species. Soft, shiny green leaves. Ideal for dappled shade. Hardy. To 30cm.

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

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

Geranium sanguineum (Bloody cranesbill): Neat, mat forming hardy geranium with bright pink flowers throughout the summer. Good for edging and pots.

Geranium sanguineum 'Album' (Bloody cranesbill 'Album'): Pure white flowers over a mat of dark green leaves. Height to 20cm. Fully hardy.

Geranium sanguineum 'Elsbeth': A low-growing geranium with magenta pink flowers, above a mat of divided foliage. Hardy. Up to 15cm. [Collect Only]

Geranium sanguineum 'Tiny Monster' (Bloody cranesbill 'Tiny Monster'): A low-growing geranium with vibrant pink flowers with dark veins, with deeply divided foliage. Good ground cover. Hardy. Up to 30cm.

Geranium sanguineum var. striatum (Striped bloody cranesbill): Really pretty palest pink flowers with darker pink veins. Forms low growing mats or mounds.

Geranium x cantabrigiense 'Biokovo' (Cranesbill 'Biokovo'): Pale pink flowers with deep pink stamens above a low growing mat of small, aromatic, near-evergreen leaves. Hardy. Up to 20cm.

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

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.

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.

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.

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 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.

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 'Trevi Fountain' (Lungwort 'Trevi Fountain'): Long flowering, with blue flowers over silver-speckled leaves in spring. Great in shade. Hardy. Height to 30cm. [Collect Only]

Sedum takesimense Atlantis ('Nonsitnal'): A delightful variegated sedum with bright yellow flowers, loved by bees. Low growing. For alpine beds, rockeries and containers. Hardy. Up to 30cm.

Sisyrinchium idahoense 'Album': White star-like flowers with a yellow centre, grass-like strappy foliage. Prefers a sunny spot with good drainage. Hardy. Up to 15cm.