Acaena microphylla: Tiny leaved ground cover plant with little copper ball-shaped flowers. Will spread very effectively.

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

Anemone x hybrida 'Honorine Jobert' (Japanese Anemone 'Honorine Jobert'): Large white flowers flowering from late summer to autumn. Good in almost any soil, except wet. Fully hardy. To 1.2m [Collect Only]

Anthriscus sylvestris 'Ravenswing' (Purple cow parsley): A dark leaved form of the common cow parsley. To 1.5m. Hardy. Tends to be biennial.

Campanula lactiflora 'Loddon Anna' (Milky bellflower 'Loddon Anna'): Tall stems topped with clusters of palest pink flowers in mid-summer. Excellent for filling out a border and adding height. To 1.5m. Hardy. [Collect Only]

Campanula persicifolia (Peach-leaved bellflower): Tall spikes of large, cup-shaped blue flowers over slender foliage in mid-summer. To 1.2m. Hardy

Campanula persicifolia var. alba (Peach-leaved bellflower white flowered): Pure white large rounded cups on upright stems. Height to 70cm. Hardy.

Campanula portenschlagiana 'Resholdt's Variety' (Wall bellflower 'Resholdt's Variety'): Carpeting alpine with brilliant blue flowers over a long flowering period in summer.

Campanula takesimana 'Elizabeth' (Korean Bellflower): Upright stems with dark pink drooping large bells. Can be vigorous on good soil. May need some support. Bee-friendly. Hardy. Up to 70cm. [Collect Only]

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

Cenolophium denudatum (Seseli libanotis, Baltic parsley): Flat umbels of pretty white flowers in summer. Fine, filigree foliage. Great in borders, sun or part shade. Hardy. To 90cm

Centaurea macrocephala (Giant knapweed): Huge, bright yellow almost fluffy flowers in mid-summer follow attractive papery buds. Attractive to bees. Height to 1.5m. Hardy. [Collect Only]

Centaurea montana (Perennial cornflower): Large blue flowers in early summer, repeated later in year if cut back. Very attractive to bees. To 50cm. Hardy

Centranthus ruber 'Albus' (White Valerian): White panicles of white flowers in mid-late summer. Very easy, self-seeds. Perennial and hardy. To 60cm.

Centranthus ruber var. coccineus (Valerian dark red): Panicles of dark-red flowers in mid-summer, loved especially by butterflies. Classic cottage garden plant. Hardy. Up to 50cm.

Cephalaria gigantea (Giant scabious): Very tall wavy stems topped with large lemon yellow scabious-like flowers.Easy to grow. May need staking or support. Hardy. Up to 2m.

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]

Convallaria majalis 'Hardwick Hall' (Lily of the Valley 'Hardwick Hall'): A form of lily of the valley with green leaves edged in yellow. Deliciously scented white flowers in spring. Hardy. Up to 25cm

Crocosmia 'Lucifer': Swathes of brilliant scarlet flowers over bold strappy green foliage. Easy and trouble free as long as soil is not too wet. To 1.2m. Hardy. [Collect Only]

Cynara cardunculus (Cardoon): Dramatic, tall silver leaved plant topped with large purple thistle flowers in mid-summer. Hardy. Up to 2.5m. [Collect Only]

Darmera peltata (Umbrella plant): Arching sprays of pretty pink flowers in early spring above large ornamental leaves. [Collect Only]

Darmera peltata 'Nana' (Umbrella plant 'Nana'): A compact form with rounded glossy leaves and pale pink flowers which appear before the leaves in the spring. Hardy. Up to 50cm. [Collect Only]

Doronicum orientale (Leopard's bane): Bright yellow daisy flowers above fresh green foliage. A good early flower for the bees. Prefers partial shade. Hardy. Up to 60cm.

Epilobium angustifolium 'Stahl Rose' (Rosebay Willowherb. Syn. Chamaerion angustifolium 'Stahl Rose''): Slender spires of pale pink flowers in late summer. Spreads rapidly through underground runners. To 1m. Hardy. [Collect Only]

Erigeron karvinskianus (Fleabane): That pretty little daisy you see growing in the cracks in paving and walls in late summer....

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 griffithii 'Fireglow' (Spurge): Bright orange/red flower bracts in early summer. Vibrant red late summer foliage. Fully hardy. To 80cm. [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 [Collect Only]

Fragaria x ananassa Pink Panda = 'Frel' (PBR) (Pink flowered strawberry): Exactly like a small strawberry plant, except that the flowers are pink. Very attractive ground cover, berries are edible. Height to 20cm. Hardy. [Collect Only]

Geranium 'Bob's Blunder' (Cranesbill 'Bob's Blunder'): Bright pink, small flowers over a spreading mat of soft, bronzy flowers.

Geranium Dreamland = 'Bremdream' (PBR) (Geranium 'Dreamland'): Pale pink flowers with darker pink veins above attractive bright green foliage. Long flowering. Hardy. Up to 40cm.

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 'Derrick Cook' (Cranesbill 'Derrick Cook'): Large white flowers with delicate purple veining above a clump of bright green leaves. Foliage turns red in autumn. To 35cm. Hardy.

Geranium macrorrhizum 'Album' (Rock cranesbill 'Album'): Superb ground cover Geranium especially for dry shade. White flowers with definite hint of pink. 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. [Collect Only]

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 phaeum 'Album' (Dusky cranesbill 'Album'): Clean white flowers held above bright green foliage. Excellent in shade. Spreading habit. Hardy. Height to 60cm.

Geranium phaeum 'Lily Lovell' (Dusky cranesbill 'Lily Lovell'): Large, rich purple flowers with white centre. Petals swept back. Hardy. Flowers early in the season. To 80cm. [Collect Only]

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.

Hosta 'Snake Eyes': Large hosta variety with dark green leaves with gold centre and white streaking. Tall spikes of lilac flowers. Hardy. Up to 60cm. [Collect Only]

Inula hookeri: Bold heads of golden yellow flowers with hundreds of long petals. A good border filler. Butterflies love it! To 60cm. Hardy. [Collect Only]

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.

Ligularia 'The Rocket' (Leopard plant 'The Rocket'): Dramatic spikes of yellow flowers on black stems over very large green toothed leaves [Collect Only]

Ligularia przewalskii: Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage. [Collect Only]

Lysimachia barystachys (White Loosestrife): Upright spikes of white flowers in late summer. Vigorous and very attractive to bees and butterflies. To 1m. Hardy [Collect Only]

Lysimachia clethroides (Gooseneck Loosestrife): Spikes of white flowers arch over and tip up again, like a goose or swan neck. To 1m. 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.

Monarda 'Gardenview Scarlet' (Bee Balm/Bergamot 'Gardenview Scarlet'): Whorls of bright red flowers held above aromatic foliage. Hardy. To 70cm. [Collect Only]

Monarda 'Jacob Cline' (Bee Balm/Bergamot 'Jacob Cline'): Whorls of the brightest imaginable red flowers over bright green aromatic foliage. Hardy. Up to 75cm. [Collect Only]

Monarda 'Pink Supreme' (PBR) (Bee Balm/Bergamot 'Pink Supreme'): Whorls of bright pink flowers over bright green aromatic foliage. Compact variety. Prefers a moist soil. Hardy. Up to 60cm. [Collect Only]

Monarda 'Squaw' (Bee Balm/Bergamot 'Squaw'): Whorls of bright red flowers held above aromatic foliage.

Nepeta 'Six Hills Giant' (Catmint 'Six Hills Giant'): A vigorous sun lover which will soon make a generous clump. Spikes of tiny purple flowers over aromatic grey/green foliage.

Nepeta grandiflora 'Summer Magic' (PBR) (Catmint 'Summer Magic'): A more compact, upright growing variety of Catmint with aromatic grey foliage and spikes of lavender blue flowers. Hardy. Up to 35cm.

Nepeta x faassenii 'Kit Cat' (Catmint 'Kit Cat'): A compact variety of catmint making a neat mound of aromatic green foliage and clusters of lavender blue flowers. Hardy. Up to 30cm.

Persicaria 'Silver Dragon' (PBR) (Knotweed 'Silver Dragon'): Multi-hued silver/red/green leaves throughout the summer. Great as foliage filler. Height to 60cm. [Collect Only]

Persicaria amplexicaulis 'Fat Domino' (PBR) (Red bistort 'Fat Domino'): A cracking new variety with plump, dark rose-red flower spikes which last for ages. Robust and hardy. Up to 90cm

Persicaria amplexicaulis 'Rosea' (Red bistort 'Rosea'): Spikes of pale pink flowers in late summer. Large oval pointed leaves. Grows in most situations as long as not too dry. Hardy. Up to 1.2m. [Collect Only]

Persicaria bistorta 'Hohe Tatra' (Bistort 'Hohe Tatra'): Upright orchid-like pink spikes from May to July. Flowers slightly smaller and later than 'Superba'. Hardy. Height to 45cm. [Collect Only]

Persicaria bistorta 'Superba' (Bistort 'Superba'. Syn. Polygonum bistorta 'Superbum'): Upright fluffy pink spikes make a bold show in early summer. Great for filling larger spaces. Hardy. Up to 60cm. [Collect Only]

Persicaria microcephala 'Red Dragon' (PBR) (Knotweed 'Red Dragon'): Stunning foliage with upright stems of lance-shaped purple-green leaves, with delicate chevron markings in white. Best leaf colour in full sun. Hardy. Up to 90cm.

Persicaria runcinata 'Purple Fantasy': Attractive foliage perennial with triangular leaves with V shaped dark purple marks. Loose spikes of pink/white flowers in summer. Hardy. Up to 60cm.

Petasites paradoxus (Alpine butterburr): Silvery, wide but pointed leaves in summer. Flowers resembling white studded tennis balls in February. Excellent foliage plant.To 30cm. Hardy

Physalis alkekengi var. franchetii (Chinese Lantern): Hardy perennial, grown for its glowing orange lantern-like seed cases in autumn. [Collect Only]

Rudbeckia subtomentosa 'Little Henry' (PBR): Yellow quilled flowers with chocolate brown centres in late summer. Compact variety with a delightful vanilla scent. Hardy. Up to 90cm.

Saxifraga stolonifera ' Kinki Purple': Rounded, hairy leaves with green above and red below. Wiry stems topped with white flowers in early autumn. Hardy. Up to 30cm. [Collect Only]

Sisyrinchium striatum 'Aunt May': Open fans of strappy variegated iris-like leaves topped with lemon yellow flowers in summer. Up to 60cm. [Collect Only]

Stachys byzantina 'Primrose Heron' (Lamb's ears 'Primrose Heron'): A fascinating colour - silvery/lemony/green furry leaves form spreading mats. Great for ground cover in sun.

Stachys byzantina 'Silver Carpet' (Lamb's ears 'Silver Carpet'): Silver, furry leaves form spreading mats. A few spikes of silver flowers with the faintest hint of pink in summer.

Tradescantia (Andersoniana Group) 'Bilberry Ice' (Spider lily 'Bilberry Ice'): Three-petalled icy purple flowers above strappy foliage. [Collect Only]

Tradescantia (Andersoniana Group) 'Euridice' (Spider lily 'Euridice'): Three-petalled delicate pale blue flowers above strappy foliage. Great as a ground clump former in sun or part shade. [Collect Only]

Tradescantia (Andersoniana Group) 'Innocence' (Spider lily 'Innocence'): Three-petalled pure white flowers with purple tinged anthers. Strappy bright green foliage.

Tradescantia (Andersoniana Group) 'Leonora' (Spider lily 'Leonora'): Three-petalled vibrant violet-blue flowers above strappy foliage. Great as a ground clump former in sun or part shade [Collect Only]

Tradescantia (Andersoniana Group) 'Osprey' (Spider lily 'Osprey'): Three-petalled white flowers with a fluffy blue centre above strappy foliage. Great as a ground clump former in sun or part shade. [Collect Only]

Trollius x cultorum 'Alabaster' (Globeflower 'Alabaster'): Translucent pale yellow cup shaped flowers from early to late summer. Great plant for damp or rich soil. To 60cm. Hardy

Viola 'Wisley White' (Viola 'Wisley White'): White flowers, bright green foliage. Excellent for ground cover in shade not too dry. Long flowering. Hardy. Height to 20cm.

Viola cornuta 'Victoria's Blush' (Viola 'Victoria's Blush'): Pale pink form of viola cornuta with scented flowers and bright green foliage. Excellent for ground cover in shade. Hardy. Height to 20cm. [Collect Only]

Viola cornuta Alba Group (Viola white flowered): Pure white flowers, bright green foliage. Excellent for ground cover in shade [Collect Only]