Psilocybe semistriata

A small moss-dwelling agaric first described by Peck as Deconica semistriata and moved to Psilocybe by Guzmán in 1983. Scattered records from Britain, Spain, Austria and the western and eastern United States place it on moss and mossy debris in bogs and conifer forest. 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

Records describe it scattered to clustered on mossy debris under fir and pine, on moss in spruce forest, and among bryophytes in a peat bog.

From lowland Britain to about 2,000 m in the Sierra Nevada; few records carry an elevation.

Western EuropeCentral EuropeWestern North AmericaEastern North 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.