Begonia solananthera

Begonia solananthera is the well-known trailing, often epiphytic begonia of Brazil's Atlantic Forest, grown for its white flowers. A 2025 revision (summarised on Wikipedia) found that the plant long called B. solananthera is the original B. radicans, so the name may change. It needs bright shade, mild temperatures, moderate humidity and a slightly drier, cooler winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodGrows on trees (epiphyte)

Where it grows wild

It grows in Atlantic Forest as a trailing to scrambling epiphyte or hemiepiphyte on trunks and rocks. One label from Reserva Biológica Augusto Ruschi at 800 m calls it hemiepiphytic.

Records span 15–1445 m, with a median of about 800 m. Most come from the mountains of Espírito Santo and Rio de Janeiro.

Brazil SoutheastBrazil South

🔒 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.