Crassula southii

A little-documented Crassula described by Schönland in 1895, recorded along the Eastern Cape and into southern KwaZulu-Natal, mostly at low elevation. Care here follows its mild, humid coastal climate and general practice for the genus.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Records come from low valleys of the Eastern Cape (around Grahamstown and East London) and southern KwaZulu-Natal, where Crassula typically grow in thicket margins, on rocky slopes and in grassland.

Seven records are at 260–270 m; the measured sites lie between sea level and about 500 m.

Cape ProvincesKwaZulu-Natal

🔒 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.