Euphorbia ferox

A dwarf, mat-forming spiny Euphorbia of the Eastern Cape Karoo, protected under CITES Appendix II. It wants full sun, very fast drainage, hot summers and a cool, dry winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets 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

Clumps of short, thorny stems on stony flats and low ridges in arid Karoo scrub, often among other dwarf succulents, in full sun.

Record sites model at about 340–1490 m in the Great and Little Karoo.

Eastern CapeWestern 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.