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Species library › Euphorbia › Euphorbia cactus
Succulents Partly documented

Euphorbia cactus

A cactus-like, candelabra-branched Euphorbia of rocky slopes around the Red Sea and southern Arabia, from Eritrea and Ethiopia to Yemen, Saudi Arabia and Oman. Grow it hot, bright and lean, watering in warm weather and keeping it dry and warm in winter.

Euphorbia cactus
Photo: Frank Vincentz, CC BY-SA 3.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets 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

Shrubby stem succulent of rocky hillsides, escarpments and dry wadis in arid bushland; habitat detail is generalised from the genus and the recorded sites.

Recorded from 75 to 1325 m, median 830 m.

YemenOmanSaudi ArabiaEritreaEthiopiaSudan

🔒 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.