Begonia arfakensis

Begonia arfakensis is a begonia of the mountains of the Bird's Head (Vogelkop) Peninsula in West Papua, including the Arfak and Tamrau ranges. It grows in primary and mixed forest on mossy ground in semi-shade, mostly at about 1900–2100 m, and has also been collected at 900 m. It wants cool, wet, cloud-forest conditions.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Specimen notes describe primary forest, forest beside the Anggi lakes, and mixed forest on mossy ground in semi-shade.

Records come from about 2000–2134 m near the Anggi lakes and Gunung Sembiedip, with one at 900 m on Mt. Kusemun in the Tamrau Range.

New Guinea

🔒 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.