[Overview]
Succulent annuals to perennials.
The leaves are usually alternate, but some are whorled or opposite.
The flowers are usually 5-petaled and are borne in cymes or racemes.
[Cultivation]
Propagate by division, stem cuttings, leaf cuttings or seed.
It prefers sunny, well-drained soil.
For potted plants, water thoroughly when the soil surface dries in spring and autumn, place them where rain does not reach and reduce watering in summer, and rely on rainfall in winter.
For plants in the ground, rainfall is sufficient.
Go easy on fertilizer, applying a small amount of liquid fertilizer in spring and autumn.
There are no particular pests or diseases.
