Kalanchoe mandrarensis

A Kalanchoe from far southeastern Madagascar, named for the Mandrare River. Little is published about it in cultivation, so treat it like other southern Madagascan Kalanchoe: very bright, warm in summer, and drier and cooler in winter.

At home, aim for

Day IntermediateTargets 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

Dry forest and rocky ground of the Mandrare basin in southern Madagascar. This is inferred from the name, the recorded localities and the genus, not from a habitat description of the species.

Recorded elevations are 60–825 m, with a median of 825 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.