Hardyand herbaceous perennials that are enjoyed for their colourful and sometimes fragrant, pea-like . Most are that cling with tendrils to netting, trellis and cane supports.
Suitable site and soil. Plant in fertile, well-drained garden soil in full sun, with cane or netting support if necessary.
Cultivation and care. Pick or dead-head to encourage flowering. Cut back perennials to ground level in autumn.
Propagation. Sowin to overwinter in cold frames or direct in spring. Sow perennials into pots in a cold 112 frame in spring for planting out in autumn. If necessary allow to sprout and soak it overnight before .
Recommended varieties. Annual(L. odoratus) is the most widely grown and there are hundreds of garden varieties. Spencer varieties are the tallest, reaching 3m – 10ft. They flower in summer with several blooms per . ‘Princess Elizabeth’ is orange-pink; ‘Air Warden’ is scarlet. Lower-growing, self-supporting include ‘Bijou’, ‘Knee-Hi’ and ‘Little Sweetheart’. Everlasting (L. latifolius) comes in white and pink forms. Also perennial is L. vermis, a non-climbing species that spreads about 30cm – 12in. It suits a sunny rockery or .
Pests and diseases. Slugs destroyin winter and early spring. Plants may be affected by mildews and moulds. In a wet spring grey mould may rot buds and .
SWEET PEA HEDGE
Use tall-growingas a curtain of colour. Dig a trench and add well-rotted . Erect a netting support fixed to tall canes. Set plants in trench and pinch out when three pairs of appear.