Mat-forming, evergreen perennial. Star-shaped white flowers in May-September. Height 2 cm. Plant in any-free-draining soil in sunny or partial shaded positions.
Low growing spreading alpine. Rosettes of rounded succulent green foliage. Drought tolerant plants ideal in rockeries, gravel, or hot dry areas with poor soil. White flowers in Summer. Height 10 cm. Spread 30 cm.