Begonia fusca

A giant rhizomatous begonia from southern Mexico to Honduras. Its leaves can reach 67 by 54 cm, held on petioles up to about 80 cm long. Herbarium records put it mostly in mid-elevation mountain forest, at about 1200–1900 m, with a wet summer and a marked winter dry season. It needs space, mild temperatures and shade.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

A terrestrial, rhizomatous herb of the humid mountain forests of the Sierra Madre and the Chiapas highlands. The consulted sources do not describe the microhabitat. Leaves this large usually belong to plants of shaded, sheltered forest floors, ravines and slopes.

GBIF elevations, excluding obvious errors, have a median of about 1640 m. The middle half fall between about 1190 and 1910 m, and the full spread is about 800–2100 m.

Mexico (Hidalgo, Puebla, Veracruz, Oaxaca, Chiapas)GuatemalaHonduras

🔒 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.