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Species library › Psilocybe › Psilocybe arcana
Fungi Well documented

Psilocybe arcana

Psilocybe arcana, described from the Czech Republic, is now treated as a variety or synonym of Psilocybe serbica, a bluing, psilocybin-containing mushroom of Central European woods. It grows in groups on decayed wood and plant debris in moist spots along creeks and forest paths, fruiting from September to December. Psilocybin is a controlled substance in many countries; check local law.

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
No rest period

Where it grows wild

Grows on decaying deciduous and conifer wood and plant debris among nettles and brambles, in moist places along creeks, forest paths and verges; records include woody debris under pine and alder in Morocco and mixed woods with fir in Greece.

Lowland to montane; no elevations recorded.

Central EuropeNorthern EuropeSoutheastern EuropeNorth Africa

🔒 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.