Entire-leaved Twinspur Diascia integerrima

This Twinspur is the toughest of this genus and grows in clumps with many upright wiry stems. Its native habitat is the slopes and streams of African mountains. It blooms with a profusion of rose-pink flowers in spring through fall and requires a sunny location and well-drained, good garden soil prepared with plenty of compost. Although this species is more tolerant of dry conditions than most Twinspurs, it still requires regular watering throughout the year. It doesn't tolerate hot, humid conditions well and may stop blooming during the hottest times. Prune the plant back for fall bloom.

Twinspurs are pollinated in the wild by specialized bees that collect oil from between the spurs. It rarely sets seed in cultivated conditions so it is best propagated from stem cuttings. Some references suggest propagating them each year for the best flower display rather than letting them return in the spring or grow them as annuals.