Begonia undulata

Wave-leaved begonia

Begonia undulata is a cane-stemmed begonia from the lowland Atlantic Forest of Rio de Janeiro state, Brazil. It has glossy, wavy-edged leaves and drooping clusters of white flowers. Normally around 1.8 m tall, it can reach 5 m if left unpruned, and it is one of the easiest cane begonias for a warm, bright, humid spot.

At home, aim for

Day Warm-growingTargets 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 in the ground

Where it grows wild

Herbarium records come from Atlantic Forest in Rio de Janeiro state, including forest near towns, hill slopes and coastal ranges. It grows as a tall cane-stemmed shrub in forest understorey and at forest edges.

The few specimens that record an elevation are from near sea level to about 250 m. This is a lowland plant.

Brazil Southeast

🔒 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.