Begonia dichotoma

A large, thick-stemmed Begonia, up to about 2.5 m, from northern South America and eastern Brazil. It grows among rocks and in rock crevices in forest, sometimes with several hours of direct sun. It wants bright light and tolerates drier air than most begonias.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Labels record it in organic matter on rocks and in rock crevices with strong light and some direct sun, among rocks in submontane forest, in gallery forest and in altered dry forest near caves.

Recorded from 183–2180 m, median 975 m (34 records).

VenezuelaColombiaBrazilBolivia

🔒 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 Public domain licence, unmodified.