Euphorbia grandidens

The valleybush euphorbia, a tree euphorbia of the Eastern Cape and KwaZulu-Natal valley thicket that can reach 15 m with a rosette of slender three-angled branches at the top. In cultivation it wants strong sun, warm summers with regular water and a cooler, drier winter.

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

Tall succulent tree or shrub of subtropical valley thicket and bushveld on dry slopes and river valleys, usually emerging above the surrounding thicket. Habitat detail is generalised from the genus and the recorded localities.

Few records carry an elevation; the climate sites lie at 80–270 m, and the range runs from the coast to low inland valleys.

Eastern CapeKwaZulu-NatalMpumalangaEswatiniMozambique

🔒 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.