Ajuga reptans 'Black Scallop' (Bugle)
A dense, mat-forming, rapidly-spreading, evergreen to semi-evergreen perennial with ovate, glossy, wrinkled, scalloped, dark maroon leaves and spike-like whorls of deep blue flowers in late spring and early summer.
Ajuga reptans 'Braunherz' (Bugle)
A mat-forming, evergreen perennial with glossy, veined, oval to spoon-shaped, purple to bronze-green leaves and spike-like whorls of deep blue flowers in late spring and early summer. Height 20cm (8in), Spread 1m (3ft).
Anemone blanda 'Blue Shades' (Winter Windflower)
A low growing, spreading, herbaceous perennial with dark-green, lobed leaves and blue daisy-like flowers with yellow centres in spring. Height & Spread 10cm (4in).
Armeria maritima 'Abbey Deep Rose' (Thrift)
A compact, dense, tufted, evergreen perennial with stiff, grass-like, dark green leaves and slender, erect, stems bearing compact, rounded clusters of deep rose-pink flowers from spring into summer.
Armeria maritima 'Splendens' (Thrift)
A compact, dense, tufted, evergreen perennial with stiff, grass-like dark green leaves and slender, erect, stems bearing compact, ruonded clusters of reddish-pink flowers from mid-spring into summer.
Armeria pseudarmeria 'Ballerina Purple Rose'
A compact, clump-forming, evergreen perennial or subshrub with broadly linear to lance-shaped, grey-green leaves and strong, erect stems bearing rounded, reddish-purple flower heads throughout summer.
Cerastium tomentosum 'Silver Carpet' (Snow-in-Summer)
A vigorous, mat-forming, evergreen to semi-evergreen perennial with white-hairy, silvery grey-green leaves &, in late spring & summer, star-shaped, white flowers with notched petals. Height 30cm (1ft), Spread 50cm (1.5ft).
Erigeron glaucus 'Sea Breeze' (Beach Aster)
A mound-forming, evergreen perennial with thick, often waxy or hairy, oval to spoon-shaped, grey-green leaves and, throughout summer, semi-double, daisy-like, lilac-pink flowers with yellow centres.
Erigeron karvinskianus 'Lavender Lady' (Mexican Fleabane)
A mat- or mound-forming, deciduous to semi-evergreen perennial with hairy, elliptic to lance-shaped, dark green leaves and, in summer, daisy-like, soft lavender-coloured flowers. Height 30cm (1ft), Spread 60cm (2ft).
Erigeron karvinskianus 'Stallone' (Mexican Fleabane)
A bushy, spreading, to mound-forming, herbaceous perennial with upright stems bearing dark grey-green leaves and, from early summer into autumn, daisy-like, white flowers turning rose-pink to lilac-pink with age.
Fragaria vesca (Woodland Strawberry)
A woodland perennial with bright green leaves and white flowers in spring, producing red strawberries in mid-summer. Height & Spread 50cm (1.5ft).
Galanthus nivalis (Common Snowdrop)
A bulbous perennial with narrow, grey-green leaves, and solitary, nodding, fragrant, double white flowers in spring. Height 20cm (8in), Spread 10cm (4in).
Galanthus nivalis f. pleniflorus 'Flore Pleno'
A compact, clump-forming, deciduous, bulbous perennial with linear to strap-shaped, dark grey-green leaves and, in winter, fragrant, nodding, double, white flowers with green-marked inner petals.
Iberis sempervirens (Perennial Candytuft)
A compact, low-growing, evergreen shrub with narrow, lance-shaped, dark green leaves and short, upright stems bearing white flowerheads from late spring into summer. Height & Spread 50cm (1.5ft).
Narcissus 'Jetfire' (Daffodil)
A clump-forming bulbous perennial with strap-shaped leaves. In early spring, its flowers have yellow reflexed petals and orange trumpets. Height 20cm (8in), Spread 10cm (4in).
Narcissus 'Tête-à-Tête' (Daffodil)
A dwarf bulbous perennial forming a cluster of strap-shaped leaves and golden-yellow spring flowers. Height & Spread 20cm (8in).
Phlox subulata 'McDaniel's Cushion'
A compact, mat-forming, evergreen perennial with linear, dark green leaves and salver-shaped, deep pink flowers in late spring and early summer. Height 10cm (4in), Spread 50cm (1.5ft).
Phlox subulata 'Purple Beauty' (Alpine Phlox)
A prostrate, mat- or mound-forming, evergreen perennial with linear, needle-like, dark green leaves and, in late spring and early summer, star-shaped, lilac-pink to light purple flowers.
Saxifraga umbrosa (London Pride)
An evergreen rosette former with spoon-shaped, waxy-edged leaves and tall airy spikes of starry white flowers with red speckling in summer. Height 30cm (1ft), Spread 1m (3ft).