Euphorbia atroflora

A succulent Euphorbia endemic to Kenya, recorded from about 800 to 1700 m in the dry country north and east of Mount Kenya; the name refers to its dark cyathia. Grow it as a warm, very bright, frost-free succulent that gets two short dry spells a year rather than a long winter rest.

At home, aim for

Day IntermediateTargets 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

Little is published beyond the description; like other Kenyan succulent euphorbias at these elevations it presumably grows in open dry bushland and on rocky slopes.

Records span 792–1707 m, median 1524 m.

Kenya

🔒 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.