Lobelia erinus (Edging Lobelia, Garden Lobelia or Trailing Lobelia) is a species of Lobelia native to southern Africa, from Malawi and Namibia south to South Africa.
It is a prostrate or scrambling herbaceous perennial plant growing to 8–15 cm tall. The basal leaves are oval, 10 mm long and 4-8 mm broad, with a toothed margin; leaves higher on the stems are slender and sometimes untoothed. The flowers are blue to violet in wild plants, with a five-lobed corolla 8–20 mm across; they are produced in loose panicles. The fruit is a 5–8 mm capsule containing numerous small seeds.
Cultivation and uses
is a very popular ornamental plant
in gardens, grown for its long flowering period, from mid spring to early autumn. It is perennial in subtropical climates, but often grown as an annual plant in colder areas. Numerous cultivars
have been selected for garden use, with a wide range of flower colours, including white, pink, red, pale to dark blue, and purple. Some of the better known cultivars are 'Blue Moon', 'Cascade', 'Gracilis' and 'Rosamund'.