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Species library › Euphorbia › Euphorbia bulbispina
Succulents Partly documented

Euphorbia bulbispina

A small, spiny succulent Euphorbia endemic to a tiny area around Antsiranana in far northern Madagascar, where it grows in rock cracks. It is Vulnerable. It wants warmth all year, bright light, and a dry season with the gritty, free-draining conditions of a rock crevice.

Euphorbia bulbispina
Photo: Eric Hunt, CC BY-SA 2.5, via Wikimedia Commons
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 on rock (lithophyte)

Where it grows wild

Grows in cracks in rock in the Antsiranana district, among dry deciduous vegetation of the far north.

Recorded at about 380 m in the far north. One record from the central highlands at about 1,200 m is probably outside the natural range.

MadagascarAntsiranana

🔒 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 2.5 licence, unmodified.