Crassula grisea

A dwarf, grey-leaved Crassula described by Schönland in 1912 from the arid north-west of South Africa, with a few records across the Orange River in Namibia. Little is published about it; care here follows its measured, almost rainless climate and the needs of other Namaqualand dwarf succulents.

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

Records come from arid Namaqualand, the Richtersveld and Bushmanland. Dwarf succulents there usually grow among rocks and on gravel or quartz flats, often in the lee of stones.

No record carries an elevation; the measured sites lie at about 265–920 m.

Cape ProvincesNamibia

🔒 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. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.