Euphorbia officinarum

A clumping, cactus-like columnar Euphorbia of the Atlantic coast and Anti-Atlas foothills of southwest Morocco and Western Sahara, where it forms dense mounds in coastal succulent scrub. It wants full sun, very sharp drainage and little water, with a cool, slightly moister winter.

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

It grows in open coastal and inland succulent scrub on rocky slopes, stony plains and sandy ground, often where Atlantic fog and sea breezes moderate the heat.

Recorded from 10 to 1,500 m, median about 100 m; most records lie near the coast between Agadir and Tan-Tan.

MoroccoWestern SaharaAlgeriaMauritania

🔒 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.