genus, containing 200 species of annual or perennial twisting
climbers and perennial evergreen, clump-forming shrubs, was named
after the eighteenth-century Swedish botanist Dr Carl Peter
Thunberg, who worked in Africa. Native to Africa, Asia and
Madagascar, their leaves are entire, having up to 5 lobes, and the
cylindrical blooms are borne individually from the leaf axils or in trusses.Hardiness zone from 9 To 12
Flowering colors: Blue, Brown, Orange, Purple, Red, Violet, Yellow
Cultivation: They will grow in any reasonably rich soil with
adequate drainage. Full sun is preferred, except during the summer
months, when part-shade and liberal water should be provided.
Support the stems and prune densely packed foliage during early
spring. Propagate from seed in spring and cuttings in summer.