A member of the pea family (Fabaceae), this genus has far more than just the old-fashioned sweet pea to offer from among its 110 species of annuals and perennials. Found in Eurasia, North America, temperate South America, and the mountains of eastern Africa, many are climers, others are low spreading plants, and some are shrubby. The climbers support themselves with tendrils found at the tips of the pinnate leaves, where the terminal leaflet would normally be. The eye-catching flowers occur in many colors, can be scented, and may be solitary or borne in clusters. The genus has long been popular with gardeners, including Thomas Jefferson, who planted Lathyrus latifolius at both his birthplace, Shad-well, and at his Virginia home, Monticello.
CULTIVATION
Non-climbing perennials require part-shade but otherwise keep the conditions sunny and well-ventilated to lessen the risk of mildew and botrytis. Plant in moist well-drained soil and provide stakes or wires for climbers. Propagation is from seed for the annuals and by division when dormant for the perennials.
Top Tip
Many of these plants are excellent for cut flowers. Regular cutting for indoor use will encourage the further development of flowers, as will deadheading.
CULTIVATION
Non-climbing perennials require part-shade but otherwise keep the conditions sunny and well-ventilated to lessen the risk of mildew and botrytis. Plant in moist well-drained soil and provide stakes or wires for climbers. Propagation is from seed for the annuals and by division when dormant for the perennials.
Top Tip
Many of these plants are excellent for cut flowers. Regular cutting for indoor use will encourage the further development of flowers, as will deadheading.
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