Psilocybe mexicana

Psilocybe mexicana is a small, bell-capped Psilocybe of Mexico and Central America, historically used in Mazatec ceremonies and the source from which psilocybin was first isolated. It grows among moss in grassy places near forest and forms underground sclerotia. It fruits in the summer rainy season. It contains psilocybin, which is a controlled substance in many countries; check local law before cultivating.

At home, aim for

Day IntermediateTargets 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

Small groups among moss along roadsides, trails, humid meadows and cornfield edges bordering deciduous and pine-oak forest.

Measured records are from 804–2534 m, median 1653 m.

MexicoGuatemalaEl SalvadorCosta Rica

🔒 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 Psilocybe

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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-SA 3.0 licence, unmodified.