Begonia arnottiana

Begonia arnottiana is a south Indian begonia, first named by Wight and transferred to Begonia by A. de Candolle in 1864. Its only GBIF specimen comes from Courtallum (Kuttalam) at the southern end of the Western Ghats, collected in 1835. It is a monsoon-forest begonia, and the conditions here are generalised from its region, because nothing specific about its habitat is available to us.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

No habitat notes are available. Around Courtallum, begonias grow on wet, shaded rocks and banks near the waterfalls and in hill forest during the monsoon.

Not recorded. Courtallum sits at about 150–200 m below hills rising above 1000 m.

India

🔒 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.