Begonia lanternaria

Begonia lanternaria is a karst begonia from south-western Guangxi, China, and neighbouring northern Vietnam. It grows on shaded limestone rock faces and boulders, often near rivers, at low elevations. It wants warm, humid summers, a cooler and drier winter and a limy, well-drained substrate.

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

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Specimens were collected on limestone rock faces and cliffs and among shady boulders by rivers in the karst of south-western Guangxi and northern Vietnam.

Recorded at 170–400 m, with one modelled site near 900 m.

China SoutheastVietnam

🔒 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.