Species library › Crassula › Crassula umbella
Succulents Partly documented

Crassula umbella

A small winter-growing Crassula from the winter-rainfall Western and Northern Cape of South Africa. Each stem carries a pair of leaves fused into a flat, rounded disc or shallow cup. It grows through the cool, wet winter and dies back or rests through the hot, dry summer, so the main challenge at home is getting the season right.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Field records come from rocky slopes in fynbos, renosterveld and arid thicket, including sandstone fynbos on mountain slopes. Small winter-growing crassulas of this kind usually shelter at the foot of rocks or shrubs, out of the full afternoon sun. Almost all observations fall between June and September, when plants are in leaf.

GBIF records carry no elevations. The representative climate point sits on a grid cell at about 720 m, and the species is recorded from lowland to mountain slopes.

Western CapeNorthern Cape

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.