Begonia thelmae

Begonia thelmae is a small creeping begonia from Espírito Santo in Brazil's Atlantic Forest, where it grows epiphytically on tree trunks. It has small, very asymmetric elliptic leaves with bronze tones and can either climb vertically or spread as groundcover, which makes it a favourite for terrariums. Grow it warm, humid and shaded, on a mount or background or in a very airy mix.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows on trees (epiphyte)

Where it grows wild

Epiphytic on tree trunks in humid Atlantic Forest, trailing and climbing over bark and moss in the shaded forest interior.

Elevation not confirmed in the sources we could reach; Espírito Santo's forests run from the coast up to about 1,000 m or more in the mountains.

Brazil: Espírito Santo

🔒 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 CC BY-SA 3.0 licence, unmodified.