Pyrrosia porosa

A tough, felt-leaved epiphytic fern found widely in montane forests from the Himalaya and Yunnan to Indochina, the Philippines and Sri Lanka. It roots on trees and rocks in fairly bright spots and copes with a dry winter by curling its thick, hairy fronds.

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

Grows on tree trunks, branches and mossy rocks in broadleaved and mixed montane forest and forest edges, often in quite exposed positions.

Recorded at 280–2,640 m, median about 1,580 m.

China (Yunnan, Sichuan, Guizhou, Tibet)Himalaya (Nepal, Bhutan, India)ThailandVietnamLaosMyanmarPhilippinesSri LankaTaiwan

🔒 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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More Pyrrosia

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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.