Begonia antongilensis

Begonia antongilensis is a begonia of the very wet north-eastern rain forests of Madagascar around the Bay of Antongil, including the Masoala Peninsula and Makira. It grows on rocks and boulders in streambeds and on gneiss in dense evergreen forest from near sea level to about 1170 m, occasionally on mossy trees. Its leaves are green above and pink beneath, and its flowers white with pink sepals.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows on rock (lithophyte)

Where it grows wild

Labels describe a herb on boulders in a streambed, on rocks in dense primary forest, on gneiss rock rubble, and once on a moss-covered tree. Habitats include humid evergreen forest, flooded riverside forest and sclerophyll ridge forest.

Recorded elevations are 100–1172 m, median 500 m. An old label from Antsianaka gives 1250 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.