Begonia fernando-costae

A begonia of the Atlantic Forest coast of São Paulo and Rio de Janeiro, Brazil. It grows on boulders, rock outcrops and wet rocks beside waterfalls in lowland rainforest. The leaves are bright red underneath with pale green veins, and the flowers are white. Collectors note plants on rock both in shade and in sun, so give it bright, humid conditions.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

No rest periodGrows on rock (lithophyte)

Where it grows wild

A lithophytic herb of lowland dense ombrophilous forest ('Floresta Ombrófila Densa das Terras Baixas'). Labels record it on boulders, rock outcrops, hillsides and wet rock at waterfall edges, sometimes in sun.

Most records are near sea level up to about 340 m, on the coastal slopes of the Serra do Mar.

Brazil (São Paulo)Brazil (Rio de Janeiro)

🔒 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.