Euphorbia pentagona

A shrubby, columnar Euphorbia from the Eastern Cape thicket of South Africa, with five-angled stems that branch from the sides and red spines along the ribs that fade with age. It wants strong light, warm summers with regular water, and a cooler, much drier 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

Recorded almost entirely around the Eastern Cape (Makhanda to East London area), where succulent thicket and dry bush grow on well-drained slopes. Plants grow among shrubs or in the open, often partly shaded at the base but with stems in strong sun.

Climate sites sit at about 170–830 m, most at around 500 m; few records carry their own elevation.

South Africa (Eastern 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.