Latin name Common name Type Description Cultivation Hedging
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
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
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