Euphorbia poissonii

A thick-stemmed succulent shrub of West African savanna, often growing on rocky hills and outcrops from Guinea to Nigeria and beyond. It wants heat, full sun and a strong dry season in winter. Its latex is notoriously caustic.

At home, aim for

Day Warm-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

Grows on rocky inselbergs, stony slopes and dry open woodland in the Guinean and Sudanian savanna zones. Plants have succulent, sparsely branched stems topped by fleshy leaves in the wet season.

Recorded at 160-700 m, median 670 m, from lowland savanna up to the Atakora hills of Benin and Togo.

BeninBurkinaCentral African RepublicGabonGhanaGuineaIvory CoastMaliNigeriaTogo

🔒 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 CC0 licence, unmodified.