Plants: 12

Latin name Common name Type Description Cultivation Hedging
CARYOPTERIS genus sub-shrub c.3ft to 4ft (1m-1.2m). Deciduous. Cushions of narrow, greyish leaves. Small, abundant, blue flowers in August and September. Frost hardy, -5°C. Sun and light soil. No
Felicia amelloides Blue Marguerite annual, sub-shrub, shrub 5ft (1.5m). Evergreen. Dark green leaves, with blue, daisy-like flowers in summer and autumn. Half hardy: 0°C. Grown as annual. Sun and well-drained soil. No
HELIANTHEMUM genus Rock Rose shrub, sub-shrub c.3-9ins (7-23cm). Evergreen. Small narrow leaves. Saucer-shaped flowers in spring and summer. Colours include yellow, orange, pink and red. Frost hardy, -5°, to fully hardy. Sun and well-drained soil, Useful for rock gardens. No
HYPERICUM genus perennial, sub-shrub, shrub 2ins-5ft (5cm-1.5m). Deciduous or evergreen. Oval leaves. Bright yellow, cup-shaped flowers in summer and autumn. Half-hardy, 0°C to fully hardy. Sun or partial shade. No
LIMONIUM genus Sea Lavender annual, perennial, sub-shrub c.6ins-3ft(15cm-1m). Oval or narrow leaves, sometimes lobed or in basal rosette. Some are evergreen. Tubular flowers, generally blue, in summer or early autumn. Frost tender, 10°C, or fully hardy. Sun and well-drained soil. No
LINUM genus annual, biennial, perennial, sub-shrub, shrub c. 2-24ins (5-60cm). Some are evergreen.Leaves are generally oval, greyish-green. Flowers are funnel- or cup-shaped flowerse in summer and autumn. Colours include white, yellow, red, or blue. Half hardy, 0°C, to fully hardy. Sun, and shelter in cold areas. No
MATTHIOLA genus Stock annual, biennial, perennial, sub-shrub c.12ins-2ft (30-60cm). Narrow, greyish-green leaves. Spikes of 4-petalled, fragrant flowers, in summer. Colours include white, yellow, pink, red or purple. Frost tender, 4°C, to fully hardy. Sun and preferably in limed soil. No
Parahebe perfoliata Diggers Speedwell sub-shrub 24ins (60cm). Evergreen. Blueish, leathery leaves encircle stems. Sprays of blue flowers in summer. Frost hardy, -5°C.Sun and sandy soil. Useful for rock gardens and edgings. No
PENSTEMON genus annual, biennial, perennial, sub-shrub, shrub c. 3ins-4ft (8cm-1.2m). Mostly semi-evegreen or evergreen. Narrow or oval leaves. Tubular or funnel-shaped flowers in summer. Colours include white, pink, red, purple or blue. Half hardy, 0°C, to fully hardy. Sun and fertile soil.. No
SALVIA genus Sage annual, biennial, perennial, sub-shrub, shrub c.12ins- 6ft (30cm-2m). Oval or narrow leaves, sometimes hairy beneath. Flowers are tubular, 2-lipped, in summer and autumn. Frost tender, 5°C, to fully hardy. Sun and fertile soil. No
VERONICA genus perennial, sub-shrub c 6ins-4ft (15cm-1.2m). Some are evergreen or semi-evergreen. Leaves are narrow or oval, sometimes hairy. Flowers are saucer- or star-shaped, in summer. Colours include pink, blue or purple. Frost hardy, 0°C, to fully hardy. Sun and well-drained soil, but some prefer partial shade and moist soil. No
Veronica perfoliata "Plena" sub-shrub See Parahebe perfoliata. No

Plants: 12