Portulacaria afra "prostrata", a fairly hardy, pretty, succulent groundcover is a variety of Portulacaria afra that can become a small tree. It has attractive round, glossy leaves on long arching succulent branches. After rain it is covered in clear pink to rosy mauve flowers. Useful for binding the soil.
Portulacaria afra "prostrata looks great cascading down a rockery. Plant it in well-drained soil in full sun.
You may find stock of this plant at Random Harvest.