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Species library › Euphorbia › Euphorbia geroldii
Succulents Well documented

Euphorbia geroldii

A nearly spineless, shrubby relative of Euphorbia milii from the humid forests of far northern Madagascar, with glossy leaves and bright red cyathia for much of the year. It grows well as a warm, bright-shade houseplant.

Euphorbia geroldii
Photo: Raimond Spekking, CC BY-SA 4.0, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Grows in the understory of humid and semi-deciduous forest in the Antsiranana region, often on limestone or other rocky ground.

Recorded from 290 to 600 m, median 465 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 4.0 licence, unmodified.