Begonia altimontana

Begonia altimontana is a high-elevation begonia of the Serra dos Órgãos in Rio de Janeiro state, described by E. L. Jacques in 2022. It is known from the Petrópolis–Teresópolis traverse and the trail to Pedra do Sino at about 1370–1700 m, in Atlantic cloud forest. It needs cool, humid conditions year-round, much cooler than the measured climate point suggests.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

It grows along trails in the upper montane Atlantic forest of the Serra dos Órgãos National Park, a cool, misty zone of cloud forest and granite outcrops.

Recorded at 1373 m on the Petrópolis–Teresópolis traverse and 1700 m on the trail to Pedra do Sino.

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.