Euphorbia virosa

A large, spiny, candelabra-like shrubby Euphorbia of the arid Namib margins from southern Angola through Namibia to the Northern Cape. It wants blazing light, heat and very little water; its latex is highly poisonous and was used as an arrow poison, so handle it with gloves.

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

Rocky hillsides, gravel plains and dry riverbeds in desert and semi-desert, fully exposed among scattered shrubs.

Roughly 300–1,400 m at the recorded sites.

NamibiaSouth Africa (Northern Cape)Angola (southwest)

🔒 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 4.0 licence, unmodified.