Is Psilocybin Mushroom Legal in Massachusetts?

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Last verified: January 1, 2025

Psilocybin mushrooms are classified as a Schedule I controlled substance under Massachusetts law, but enforcement has been deprioritized in several municipalities. Somerville, Cambridge, Northampton, and Easthampton have passed resolutions decriminalizing personal possession and use of psilocybin and other entheogenic plants. A statewide ballot initiative to legalize therapeutic psilocybin access has been under development.

Psilocybin mushrooms are classified as a Schedule I controlled substance under Massachusetts law, but enforcement has been deprioritized in several municipalities. Somerville, Cambridge, Northampton, and Easthampton have passed resolutions decriminalizing personal possession and use of psilocybin and other entheogenic plants. A statewide ballot initiative to legalize therapeutic psilocybin access has been under development.

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