Psilocybe laticystis

A Psilocybe described by Guzmán and A.H. Smith in 1978 from the Pacific Northwest of North America. Collections are scattered across the northern USA and Canada, and a British Columbia record grew singly on wood in a clearcut. Whether it contains psilocybin is not documented here; many Psilocybe do and are controlled in many countries, so check local law before any cultivation.

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

Recorded growing solitary on wood in a clearcut on Lyell Island, Haida Gwaii; other records have protected localities. It appears to be a wood or woody-debris saprotroph of cool, wet conifer country.

The measured site is near sea level on Haida Gwaii; other records come from Idaho, Oregon, Washington, Alaska, Michigan and Quebec, elevations not given.

CanadaUnited States

🔒 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.