Euphorbia boinensis

A rare succulent spurge endemic to the Boeny region of northwestern Madagascar, assessed as Critically Endangered (possibly extinct) because of habitat loss. Its climate is a hot, very wet summer followed by a long, rainless dry season, so plants in cultivation need a distinct dry rest.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Tropical dry deciduous forest of northwestern Madagascar, where the canopy drops its leaves in the dry season. The microhabitat is not documented; small succulents in this forest typically grow in the partial shade of shrubs on sand or limestone.

The two measured sites are lowland, at about 240–270 m.

MadagascarBoeny

🔒 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.