Pholiota squarrosa

Shaggy scalycap

The shaggy scalycap forms dense clusters of scaly yellow-brown mushrooms at the base of trees and stumps. It is a white-rot fungus and a secondary parasite of trees already weakened by injury or other disease. It is rarely cultivated and not a recommended edible.

Pholiota squarrosa — Photo: Игорь Лебединский, CC BY 3.0, via Wikimedia Commons

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Grows in clusters at the base of living but weakened trees and on stumps of both broadleaf trees and conifers, causing a white rot. Hosts include maples, birches, beech, ash and spruce.

Mostly lowland to montane in Europe; in Mexico restricted to coniferous forest zones. Median recorded elevation 600 m.

EuropeNorth America

🔒 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. Photo from Wikimedia Commons, used under its CC BY 3.0 licence, unmodified.