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Species library › Euphorbia › Euphorbia rossii
Succulents Partly documented

Euphorbia rossii

A small succulent spurge endemic to rocky ground in southwestern Madagascar, with reddish-yellow cyathia. Its home climate is hot with a long, almost rainless dry season from April to November, so it does best with heat, full sun, a gritty mix and a strict dry rest.

Euphorbia rossii
Photo: Frank Vincentz, CC BY-SA 3.0, via Wikimedia Commons
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

Grows in rocky areas in the dry southwest. Only two wild records exist, so the details of its microhabitat are uncertain.

The two record sites lie at about 380–500 m.

Madagascar

🔒 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.