24 KEY PLANTS CONTINUED
13 Origanum vulgare ‘Roseum’ Useful marjoram with attractive mounds of evergreen foliage. Flowers July to September. Full sun and dry soil. 50cm. RHS H5. 14 Scabiosa atropurpurea Delicate, short-lived scabious with pale-purple pincushion flowers that rise above low rosettes of dissected foliage. 1m. RHS H4.
15 Daucus carota The wild carrot, with attractive, white umbels, appears where it wishes and mixes effortlessly with loose, naturalistic planting. Full sun to part shade on any soil, but will self-seed aggressively in light or gravel soils. 60cm. RHS H7. 16 Teucrium fruticans Evergreen shrub with small, light-green leaves covered in silver hairs and populated by purple-blue, salvia-like flowers in early to midsummer. Short-lived on rich soils. Does best in full sun. 1.5m. RHS H3, USDA 8a-10b. 17 Centaurea jacea subsp. gaudinii This rare, perennial cornflower produces large, pale-lavender or lilac flowers above silvery foliage throughout summer. Prefers a sunny position in well-drained soil. RHS H7.
18 Salvia rosmarinus ‘Miss Jessopp’s Upright’ Useful, compact rosemary with a dramatic, upright habit. Light-blue flowers in spring and early summer above aromatic, dark-green foliage on a substantial woody structure. AGM. 1.5m. RHS H4. 19 Lavandula x intermedia Large, vigorous, hybrid lavender between L. angustifolia and L. latifolia. Classic, purple, scented flowers above silvery-green, aromatic foliage. Short-lived on rich soil. Needs excellent drainage and full sun. 1.2m. RHS H5. 20 Euphorbia spinosa Diminutive spurge that makes an attractive, evergreen mound of glaucous foliage with stems covered in small spines. Produces masses of limey flowers in late spring that soften to yellow as they age into midsummer. Can be clipped after flowering. Needs excellent drainage and full sun. 40cm. RHS H4. 21 Satureja montana A small sub-shrub with white to pale-lavender flowers that appear in mid to late summer and small, aromatic leaves. Prefers full sun but will tolerate partial shade. Hardy but relatively short-lived. 30cm. RHS H5, USDA 5a-8b. 22 Hordeum jubatum Short-lived perennial grass. A North American native now naturalised in many parts of the world. Another wild plant that has introduced itself into the planting mix, but is enjoyed for its soft texture. 60cm. AGM. RHS H6. 23 Cichorium intybus Produces a rush of mid-green foliage on strong upright, stems early in the season, and a mass of sky-blue flowers in mid to late summer that only open in strong sun. Prefers poor soil. 1.5m. RHS H5, USDA 3a-8b.
24 Salvia reptans Native to Mexico and parts of Texas, this slender-leaved sage has wonderful, deep-blue flowers. As long as it is has good drainage, it is perfectly hardy, and it enjoys as much sun as possible. 1m. RHS H4.