Begonia arachnoidea

Begonia arachnoidea is a limestone begonia from south-western Guangxi, China, described in 2008 by C.I. Peng, Yan Liu and S.M. Ku from the Encheng Nature Reserve in Daxin County. It grows on limestone rocky slopes at about 200 m, in a monsoon climate with hot, wet summers and cool, dry winters. Grow it shaded, humid in summer and drier and cooler in winter.

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

The type-area label describes a limestone rocky slope in the Encheng Nature Reserve. Begonias of this karst region usually grow in shaded rock crevices, cave mouths and limestone slopes under forest.

The collection is at about 200 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.