Begonia austroguangxiensis

Begonia austroguangxiensis is a limestone begonia described in 2005 from Longzhou and Pingxiang in south-western Guangxi, on the Vietnamese border. Specimens come from steep limestone rock faces with shallow soil and leaf litter at 240–550 m. It wants shade, a warm humid summer, and a cool, drier winter. Care advice is inferred from the measured climate and from related karst begonias.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows on rock (lithophyte)

Where it grows wild

Collection labels describe steep limestone rocky slopes and rock faces with shallow soil and leaf litter. These are typical karst begonia sites: shaded, fast-draining and humid.

Recorded at 240–550 m, median 400 m.

China 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.