Begonia serratipetala

A New Guinea begonia that Irmscher described in 1913. Most of the wild records come from forest in Papua New Guinea at around 900–1300 m. The climate there is mild, very humid and wet all year, so it does best in steady, humid terrarium conditions without a rest period. Beyond the original description, little has been published about its ecology, so the growing advice below rests on the measured climate and on other New Guinea forest begonias.

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 in the ground

Where it grows wild

Its microhabitat is not documented in sources reached here. Most records are from humid lower montane rainforest, where New Guinea begonias of this kind grow on shaded banks, slopes and stream edges in the understory.

Recorded at 5–1641 m, with a median of 1090 m across 10 records with elevations. Most are between 870 and 1300 m.

Papua New GuineaIndonesia: Western New Guinea

🔒 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.