Pyrrosia heteractis

A felt fern with thick, simple fronds covered underneath in star-shaped hairs, growing on trees and rocks in the mountain forests of southern China, the eastern Himalaya and mainland Southeast Asia. It tolerates drying better than most ferns and wants bright filtered light, a cool dry winter and a fast-draining mount.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

An epiphyte on tree trunks and a lithophyte on mossy rocks in evergreen and mixed montane forest; the woolly hair layer helps it survive dry spells.

Recorded at 930-2,400 m, median about 1,600 m.

China (South-Central, Southeast, Hainan)TibetEastern HimalayaNepalIndiaMyanmarThailandLaosVietnamCambodia

🔒 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.