Ajuga reptans (Bugle): Superb ground cover plant with purplish green leaves and blue flower spikes in summer. Very attractive to bees

Ajuga reptans 'Alba' (Bugle, white flowered): Superb ground cover plant with bright green leaves and white flower spikes in summer. Very attractive to bees

Ajuga reptans 'Burgundy Glow' (Bugle 'Burgundy Glow'): A variegated form of the superb ground cover plant with green and white leaves tinged with dark pinky red. Blue flower spikes in summer. Hardy.

Ajuga reptans 'Catlin's Giant' (Bugle 'Caitlin's Giant'): Superb ground cover plant with bronze-purple leaves and blue flower spikes in summer. Semi-evergreen. Very attractive to bees.Hardy. Up to 30cm.

Ajuga reptans 'Variegata' (Bugle 'Variegata'): Superb ground cover plant with green and white variegated leaves and blue flower spikes in summer. Very attractive to bees.

Ajuga reptans Black Scallop = 'Binblasca' (PBR) (Bugle 'Black Scallop'): Shiny, darkest purple-red leaves look near black. Short spikes of blue flowers in summer.

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

Aruncus aethusifolius (Goat's beard): Lovely fresh ferny foliage which turn golden in the autumn. Spikes of creamy white flowers in early summer. Hardy. Up to 50cm.

Astilboides tabularis: Large round leaves attached to stalk in the centre. White flowers in early summer. Vigorous. Up to 1.5m. [Collect Only]

Briza media (Lesser quaking grass): Semi-evergreen grass with beautiful delicate dangling flower heads. Short lived perennial but it will self-seed around. Up to 70cm. [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

Chaerophyllum hirsutum 'Roseum' (Hairy chervil 'Roseum'): Flat heads of tiny pink flowers over finely cut green foliage. Long flowering from early summer. Informal and soft. Up to 50cm. Hardy.

Erigeron 'Quakeress' (Fleabane 'Quakeress'): Large pale pink daisy flowers with a yellow eye over strappy, grey green foliage. To 60cm. Hardy.

Euphorbia characias (Spurge): Evergreen perennial with blue-green leaves and lime-green flowers in early summer. Long-flowering. May self-seed. Prefers a sunny spot. [Collect Only]

Euphorbia characias subsp. wulfenii (Mediterranean spurge): Evergreen perennial with blue-green leaves and vibrant lime-green flowers in early summer. Prefers full sun. Hardy to about -10C, but not for long periods. Up to 1.2m.

Festuca amethystina: Evergreen grass with elegant, dusky purple arching flower stalks very early in season, for a grass.

Fragaria vesca (Wild Strawberry): Semi-evergreen spreading perennial, small white flowers in spring followed by small sweet fruit. Spreads by runners. Hardy. Up to 25cm

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

Francoa sonchifolia (Bridal wreath): Spires of pale pink flowers over semi-evergreen, pinkish-green foliage.

Geranium 'Alan Mayes' (Cranesbill 'Alan Mayes'): Long flowering geranium with bright blue flowers with purple veining. Clumps of hairy green leaves, turning red in autumn. Hardy. Up to 45cm.

Geranium 'Brookside' (Cranesbill 'Brookside'): A reliable, robust variety with large rich blue flowers over a mound of deeply divided leaves. Height to 45cm. Hardy

Geranium 'Ivan' (Cranesbill 'Ivan'): Vibrant magenta-pink flowers with a dark black centre above yellow green leaves. Leaves turn red in autumn. Hardy. Up to 50cm. [Collect Only]

Geranium 'Orion' (Cranesbill 'Orion'): A dome of deeply divided foliage, smothered in large blue flowers from early summer onwards

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. [Collect Only]

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

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 macrorrhizum 'Ingwersen's Variety' (Cranesbill 'Ingwersen's Variety'): A very useful ground cover Geranium with rounded, aromatic foliage. pale pink flowers in early summer. Good in shade. Hardy. To 40cm.

Geranium macrorrhizum 'White Ness' (Cranesbill 'White Ness'): Pure white flowers over aromatic, bright green, evergreen foliage. Good groundcover in shade. Hardy. Up to 50cm.

Geranium maculatum 'Beth Chatto' (Spotted cranesbill 'Beth Chatto'): Very pretty palest purple flowers held above attractive green foliage. To 50cm. Hardy.

Geranium maculatum 'Vickie Lynn' (Spotted cranesbill 'Vickie Lynn'): Pale lavender flowers above a clump of fresh green divided leaves. Prefers soil that doesn't dry out in summer. Hardy. Up to 45cm. [Collect Only]

Geranium nodosum (Knotted cranesbill): Fast spreading hardy geranium with purplish pink flowers over a long season in summer. A great gap filler. Up to 50cm.

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]

Geranium sanguineum 'Max Frei' (Bloody cranesbill 'Max Frei'): Neat mounds of bright pink flowers over dense, semi-evergreen foliage.

Geranium sylvaticum 'Album' (Wood cranesbill): Upright stems of white saucer-shaped flowers above deeply divided leaves. Prefers moist shadier spots. Hardy. Up to 70cm.

Geranium x magnificum 'Rosemoor' (Purple cranesbill 'Rosemoor'): A mass of large purple flowers in early summer. Large, slightly felty leaves with good autumn colour.

Geum 'Bell Bank' (Avens 'Bell Bank'): Large coral pink flowers over a rosette of crinkled leaves.To 40cm. Hardy.

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 'Fire Storm' (PBR) (Avens 'Fire Storm'): A great new compact Geum with rich orange double flowers above mounds of rounded foliage. Long flowering. Hardy. Up to 50cm.

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

Geum 'Mai Tai' (PBR) (Avens 'Mai Tai'): Semi-double, pale apricot flowers above green foliage. Long-flowering. Hardy. Up to 45cm.

Geum 'Prinses Juliana' (Avens 'Prinses Juliana'): Bright orange flowers held on tall stems above mounds of rounded foliage. Flowers for ages and reflowers when cut back.

Geum 'Rijnstroom': A bright orange semi-double flower in late spring. Prefers a moist soil and sunny spot but can tolerate light shade. Hardy. Up to 50cm.

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

Geum 'Savannah Sunset' (Avens 'Savannah Sunset'): Apricot, semi-double flowers with red buds held on red stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 35cm.

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.

Geum 'Totally Tangerine' (PBR) (Avens 'Totally Tangerine'): Lovely single-flowered bright orange flowers held on erect stems above mounds of green foliage. Hardy. Up to 60cm. [Collect Only]

Geum 'Werner Arends' (Avens 'Werner Arends'): An old cultivar which stays compact. A bright clean orange flower on an upright stem above a rosette of crinkly leaves. Hardy. Up to 35cm.

Geum rivale 'Leonards Variety' (Avens 'Leonards Variety'): Coppery- rose flowers held above rosettes of rounded, softly hairy foliage. To 40cm. Hardy

Geum Scarlet Tempest = 'Macgeu001' (PBR) (Avens 'Scarlet Tempest'): Scarlet, semi-double flowers held on tall stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 50cm.

Hemerocallis 'Stella de Oro' (Day Lily 'Stella de Oro'): Pale yellow fragrant flowers with a darker yellow throat. Grass-like green foliage. Hardy. Up to 50cm.

Hemerocallis citrina (Long yellow day lily): Fragrant lemon, yellow lily flowers on long stems above green strappy foliage. Flowers open in evening. Hardy. Up to 1.2m.

Hemerocallis lilioasphodelus (yellow daylily): Fragrant lemon yellow lily flowers above green strappy foliage. Semi-evergreen. Flowers typically open in the evening. Hardy. Up to 1m.

Iris sibirica 'Perry's Blue' (Siberian Iris 'Perry's Blue'): Lovely pale-blue flowers with white markings over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 85cm. [Collect Only]

Libertia grandiflora (Libertia): Starry white flowers above stiff, slender strappy green foliage. To 90cm.

Lychnis flos-cuculi 'White Robin' (White Ragged Robin): A pretty white form of our native Ragged Robin. Starry white flowers in early summer. Thrives in damp, part-shaded spots.

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.

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

Phlox subulata 'Lilacina' (Moss phlox 'Lilacina'): Pale blue star-like flowers above a cushion of hairy narrow leaves. Good for alpine beds or rockeries. Hardy. Up to 15cm.

Polemonium 'Heaven Scent' (PBR) (Jacob's Ladder Heaven Scent'): Lovely dark, purple foliage and stems in spring which contrasts well with the pale lilac purple bell like flowers. Lightly scented. Hardy. Up to 50cm. [Collect Only]

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

Polemonium reptans 'Stairway to Heaven' (PBR) (Jacob's Ladder 'Stairway to Heaven'): Superb variety with attractive variegated foliage and lavender blue flowers. To 50cm. Hardy

Potentilla 'Arc-en-ciel' (Cinquefoil 'Arc-en-ciel'): Double, rich red flowers flecked with yellow at the petal edges. Easy and trouble-free plant, ideal for well drained borders in sun or part shade [Collect Only]

Salvia nemorosa Caradonna Pink Inspiration ('Tuitsalv') (PBR) (Balkan Clary 'Pink Inspiration'): A new form with pink flower spikes on dark stems in early summer. Keep deadheading for a repeat show. Loved by bees. To 50cm. Hardy

Thalictrum aquilegiifolium (French meadow rue): Fluffy heads of pale pink or white flowers in early summer

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

Veronica austriaca 'Crater Lake Blue' (Speedwell 'Crater Lake Blue'): Vivid blue spikes above a mound of green foliage.To 30cm. Hardy.