60cm x 45cm. Corymbs of sulphur yellow flowers in summer. Needs well-drained but moisture-retentive soil in full sun. Good for cutting.

15cm. Forms a cushion of aromatic leaves, with masses of red-violet flowers in summer. Well-drained soil in full sun.

15-20cm. Evergreen or semi-evergreen sub-shrub, bearing masses of heads of small pink flowers in late spring-early summer. Drought tolerant once established.

12cm. Rounded heads of rich pink flowers over glaucous foliage. Well-drained soil in full sun. Good in a trough.

45-60cm. Light blue flowers. Hardy in warmer areas.

90cm. Fragrant dark leaves, with dark buds opening to deep violet-blue flowers. Very attractive to bees and butterflies. Well-drained soil in sun. May be hardy in milder areas.

60-90cm. Upright plant with sweetly aromatic foliage, and spikes of deep lavender-blue flowers in summer. Sun or part shade. Dead-head to prolong flowering. Good cut flower. Self seeds a little.

90cm.Anise Hyssop. Dense spikes of mauve flowers from June to September. Aniseed-scented foliage.

60cm. Aromatic foliage, with spikes of soft tangerine flowers from late June to autumn, very attractive to bees and butterflies. Needs well-drained soil in sun. Hardy in milder areas, or overwinter frost-free.

60-90cm. Bright pink flowers, June to August, pollinated by butterflies. Annual. Self seeds.

10cm. Mat-forming, with deeply lobed, rounded leaves, and sprays of tiny yellow-green flowers in summer. Moist but well-drained soil, sun or part shade. British Native.

15cm. Clump-forming, with attractive foliage, silver on reverse and edges. Yellowish-green flowers. Sun or part shade.

20-30 x 30cm. Smaller, neater version of Alchemilla mollis. Lime yellow flowers. Self seeds a little. Humus-rich soil in sun or part shade.

40 x 60cm. Clump of rounded soft leaves with yellow-green flowers in summer. Remove flower heads to prevent excess self-seeding. Sun or shade, in any soil except a bog.

40-60cm. Virtually evergreen, with loose heads of soft pink-mauve flowers in mid to late summer. Not invasive.

30 - 60cm. White form of the above.

30cm. Pendent umbels of deep rose-purple flowers, June to August. Sun or part shade, not too dry.

30-60cm. Large round heads of metallic lilac, starry flowers. Dries well. Leaves die back before flowering.

15cm. Nodding deep violet flowers, May to July. Well drained but moisture retentive soil, in sun or part-shade. Self seeds well!!

10 - 60cm. Dense heads of light purple-pink flowers, mid to late summer. Fertile, well-drained soil.

20cm. Rosettes of slightly twisted, glaucous leaves, with rounded heads of mauve pink flowers later in summer. Well-drained soil in sun. Good for the rockery or front of border. Very attractive to butterflies.

50-90cm. Dense, egg-shaped reddish-purple flowers, July-August. Attracts bees. British native.

Succulent. Can scorch on a windowsill in direct sun but needs good light. The gel-like sap can be used to soothe sunburn and mild burns. Minimum 10^oC.

100cm. Golden yellow flowers in summer. Good for cutting. Well-drained, fertile soil in sun. Spreads when happy.

20cm. Sub-shrub, forming a mound of small silvery foliage, with heads of pink flowers in early summer.  Needs well-drained soil in a sunny position.  Drought tolerant.

5-8cm. Spreading rosettes form a mat, with heads of dainty pink flowers in late spring. Well-drained soil in sun. Good in a trough or scree.

15cm. Rose-coloured flowers in spring. Well-drained, hunus-rich soil in sun or part shade.

15cm. Large white flowers in spring. Well-drained, humus-rich soil in sun or part shade.

20cm. Rhizomatous perennial, with a mound of attractive bronze-tinged foliage, and clusters of white flowers in late spring. Moist but well-drained soil in part shade. Collapses if it dries out.

10-15cm. Creeping perennial, with white flowers in spring. Woodland conditions. British native.

8-15cm. Pale blue flowers in spring. Woodland conditions.

10cm. Lavender flowers with pink-tinged reverse to petals, in spring. Creeping. Conditions as above.

10cm. Green-tipped, double white flowers, and a ruff of green bracts. Spring flowering. Woodland conditions.

100cm. Deep lilac-pink, semi-double flowers late summer to autumn. Fertile, humus-rich soil in sun or part shade. spreads when happy.

10cm. Pale lemon flowers produced in spring, slowly spreading to form a carpet. Best in woodland conditions. Quickly becoming dormant after flowering.

15-20cm. Dainty pale pink flowers in spring. Fertile, humus-rich soil in part shade. Dislikes very wet or very dry soil.

75cm. Clump-forming perennial, with attractive foliage and nodding, cup-shaped, waxy lilac flowers in summer. For a shady spot, protected from drying winds, in humus-rich soil.

2 x 1.2m. Architectural plant, with tall sturdy stems bearing large, rounded heads of greenish-yellow flowers, up to 25cm.across, in early to mid-summer. Usually grown as a biennial, but if prevented from seeding, it may flower again the following year. Self seeds. Prefers deep, moist, fertile soil in full or part shade. Flowerheads dry well.

45cm. Produces a rosette of glossy, jagged leaves in the first year - good for flowers arranging. Umbels of creamy flowers are borne in June. Hardy biennial.

15-30cm. Cormous perennial producing spikes of orangey-red flowers with darker spots on lower petals. Early summer. Well-drained soil, in sunny position. Often self seeds. Overwinter in cold greenhouse in all but mildest areas. Will withstand occasional falls below zero.

Similar to above, with white flowers, usually with a deep pink spot on the lower petals.

10cm. Forms a low mat of silvered foliage, with small round heads of pink-red flowers in late spring. For a sunny, well-drained position.

20-30cm. Mat of finely divided silvery foliage, with abundant white daisy flowers in late spring-early summer. Poor to moderately fertile, well-drained soil in full or part sun.

40cm. Dainty, long-spurred, lemon flowers over ferny, blue-green foliage. Fertile, humus-rich, moist but well-drained soil in part shade.

10cm. Forms an evergreen mat of grey-green rosettes, with long-lasting double white flowers in late spring. Very well drained soil in full sun.

10-15cm. Creamy flowers in late spring-early summer. Attracts bees. Well-drained soil in sun.

2-5 x 30cm. Evergreen, mat-forming perennial, becoming smothered in pure white flowers in early summer, with further spasmodic flowers through the summer. For well-drained soil in full sun.

40-60 x 40-60cm. Prickly Poppy. Large white 'poppy' flowers over attractive prickly leaves. Well-drained soil in full sun. Hardy in warmer areas once established. Often self seeds.

8cm. Makes a slow growing, compact mound of needle-like foliage, with heads of stemless white flowers nestling on the dome in spring. Well-drained soil in a sunny position. Good for a trough.

8cm. Forms a tight mound of needle-like foliage, with heads of pink flowers on short stems, in spring. Slow-growing. Well-drained soil in sun. Good in a trough.

25cm. Soft brick-red thrift flowers from late spring into summer. Well-drained, poor to moderately fertile soil in sun. Happy on chalk, and attractive to bees and butterflies.

15cm. Neat mat of evergreen foliage, with masses of bright rose-pink flowers in late spring-early summer. Well-drained, poor to moderately fertile soil in sun. Attracts bees, etc.

12cm. Deep pink thrift flowers over dark red-tinted, evergreen foliage. Well-drained soil in sun.

30 x 100cm. Deciduous or semi-evergreen shrub, with aromatic grey-green leaves. Yellowish flowers late summer. Cut back quite hard in spring. Well-drained soil in full sun.

1.5m x 60cm. Dark stem and leaves, with creamy plumes late summer to autumn. Moisture-retentive, fertile soil in sun.

25-40cm. Feathery spikes of creamy-white flowers in early to mid-summer, over deeply cut foliage, which colours well in autumn. Moist, fertile soil in full or part shade.

100 x 30cm. Masses of pale pink flowers on bushy plants, late summer to autumn. Fertile soil in full sun.

1m x 1.3m. Horizontal flowering stems bearing masses of white flowers with pink centres in autumn. Moist fertile soil, part shade.

90-120cm. Heads of intense lilac-blue flowers, yellow-centred, in Sept-October. NOT prone to mildew, it is an easy, trouble-free plant, very attractive to butterflies. Best in sun.

120cm. Clear light pink double flowers, late summer to mid-autumn; good for cutting. Moist, fertile soil in sun or part shade.

120cm. Large heads of white flowers, late summer to mid-autumn. Conditions as above.

60cm Vivid purple flowers Sept/Oct. Fertile, moisture-retentive soil. Best in full sun

30 x 45cm. Bright pink flowers in late summer. Fertile, moisture-retentive soil in sun or part shade.

100cm. Clear pink flowers in autumn. Sun.

30cm. Lilac-pink flowers. Makes good groundcover.

30cm. Beautiful dark, shiny foliage, tinted bronze. Pink plumes in late summer.

60cm. White flowers with pink centres.

Long-lasting, semi-double, rose pink flowers through spring, over a mat of low foliage. Well-drained soil in sun. At it's best trailing over a wall or edge of a trough.

10cm.  Forms an evergreen mat, smothered in large carmine-red flowers in spring.  Well-drained soil in sun.  Cut back after flowering to maintain a compact plant. 

30cm. Lemon yellow flowers in late spring- early summer.  Well-drained soil in a sunny position.