This genus contains slightly more than a dozen small, rather dainty-looking perennials and annuals from the mountains of Australia, New Zealand, and North America. Foliage is succulent and sometimes evergreen. Pink or white, 5-petaled flowers bloom in spring. Grow in a rock garden, woodland, scree bed, or alpine house. Some will naturalize.
Noteworthy CharacteristicsSucculent foliage. Small but pretty flowers in spring. Some go dormant in the summer.
CareGrow in full sun and very well-drained soil that is gritty and organically rich. Will not tolerate excessive winter moisture.
PropagationStart seed in containers outdoors in autumn.
ProblemsAphids, downy mildew, rust.