Crassula karroica

Crassula karroica has no wild records under this name and may be a synonym or trade name; the epithet points to the Karoo of South Africa. Grow it like other small Karoo Crassula: strong light, a mineral mix, and a clear dormant season matched to its growth cycle.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Assumed from the epithet and genus: rocky or gravelly ground in semi-arid Karoo shrubland, often sheltered by stones or low shrubs.

Unknown; Karoo Crassula commonly grow from about 300 to 1500 m.

South Africa (assumed)

🔒 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.