Crassula alstonii is a species of succulent plant in the family 'Crassulaceae. It is endemic to the Cape Provinces of South Africa. The species is in USDA hardiness zone 10a-11.
Like some other plants of the genus, Crassula alstonii is easy to grow and needs below average to average water. They need light shade and need 6.1-7.8pH soil. They can be easily propagated from a single leaf, along with offsets.