Orbea melanantha

A small, clump-forming stapeliad from the bushveld of northern South Africa with dark, starfish-shaped flowers. It grows in summer-rainfall country, usually tucked under shrubs or among rocks, so it wants bright but not scorching light, warm wet summers and a dry, cooler winter.

At home, aim for

Day Cool-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

Savanna and bushveld on rocky ridges and gravelly flats, typically sheltered at the base of shrubs or grass tufts like most Orbea. This is generalised from the genus; species-specific habitat notes were not checked.

The weighted sites sit at about 1,200 to 1,700 m on the Highveld and Limpopo escarpment; few records carry their own elevation.

South AfricaMozambique

🔒 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.