Season: late summer to late fall
Pacific Northwest October to late November
Europe end of September to mid-October
Deciduous forest, calcareous soils, in moist forests or gardens, on dead wood, humus, late decomposers, cultivated as a drug. The mycelium thrives on wood debris, pine bark, straw, and moist cardboard and paper.
Psilocybe azurescens most common in the Astoria, Oregon area (the type locality), however the species is spreading rapidly due to deliberate outdoor cultivation. It has been reported as far north as Santa Cruz, California, although it is not common in California. Fruiting typically occurs in January in California.