Begonia laruei

Begonia laruei is a northern Sumatran begonia described by Mark Hughes in 2009, recorded mainly in and around Gunung Leuser National Park in Aceh and North Sumatra. It grows as a herb on the shaded forest floor, including limestone forest and riverside forest, from about 260 m to nearly 1000 m. It needs warm, humid, even conditions with no dry season.

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

Labels describe it as an occasional herb on the forest floor, in limestone forest at Simolap and by the Alas river at Ketambe.

Labelled records are from 260 m and 967 m; the modelled sites span 490–1990 m.

Sumatera

🔒 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.