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Species library › Psilocybe › Psilocybe squalidella
Fungi Partly documented

Psilocybe squalidella

A small brown agaric described by Charles Peck (as Agaricus squalidellus) from northeastern North America. Records from Ontario, Quebec, New England, New York and Washington place it on wet soil, muck and debris by streams and ditches, often under alder and birch. Whether it contains psilocybin is not documented; if it does, it is controlled in many countries, so check local law before cultivating.

At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
Expects a seasonal rest

Where it grows wild

Gregarious to clustered on wet soil, muck and woody debris by streams and ditches, under alder, birch and conifers.

Lowland to about 500 m at the measured sites.

Eastern CanadaNortheastern United StatesPacific Northwest

🔒 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

Grow Psilocybe squalidella? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

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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.