Although often treated as a half-hardy, this plant gives better results if sown in early May in flowering . Sow thinly in a really hot, dry spot (portulaca is sometimes known as the sun plant). The large single or double are about 1 in. across, borne in clusters at the tips of the trailing , the plant attaining about 6 in. The colour range embraces pink, crimson, scarlet, yellow, orange and allied shades. Note that the flowers do not usually open in dull weather and in wet summers results will be disappointing.