Crassula macowaniana

A shrubby succulent of Namaqualand and southern Namibia with erect, branching stems and thick, pointed, grey-green leaves that often blush red in strong light. It grows in one of the driest parts of the winter-rainfall region, where coastal fog adds moisture.

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

Rocky slopes and gravel plains in succulent Karoo scrub, fully exposed to sun. From the species' known habit and the record localities.

Records range from near the coast to about 870 m; most lie at 400–600 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 CC BY-SA 2.5 licence, unmodified.