Delosperma lehmannii

Forms great ground cover. Evergreen, but can have some dieback of foliage in the winter. Blooms for most of the summer and fall, yellow daisy-like flowers. Easy, fast plant to cultivate. Tolerates heat. Good draining soil. Let dry between waterings.  Wants full sun, with protection from sunburn during hottest hours of the day. Will handle light-shade.