Ann Arbor, Michigan

Michigan's earliest city-level entheogen enforcement-priority resolution (2020) and a county non-prosecution policy in 2021. University research hub.

State status

Partial decriminalization

This page is not a service-center locator, dispensary directory, vendor list, or purchasing guide. State-level frameworks do not change federal controlled-substance status.

What local context does not answer

Local context can explain policy history, state rules, city ordinances, public-health resources, and community support. It cannot determine whether a substance is safe, effective, lawful for a specific person, available through a specific channel, or appropriate for any individual.

Is it legal for me? Legal status depends on substance, activity, jurisdiction, date, and official source.

Can I buy it? Commercial access is separate from legal status and is not addressed here.

Is it safe? Safety depends on medical history, medications, psychiatric risk, dose, and context.

Does it work? Efficacy requires controlled outcome evidence, not location.

Is a source reliable? Source reliability requires independent verification and quality control.

Am I personally eligible? Eligibility depends on program rules, clinician review, and individual facts.

Local policy context

This section summarizes policy context. It is not legal advice or current-law verification.

Ann Arbor adopted a city-level enforcement-priority resolution for entheogenic plants on September 21, 2020. The city already had a long local drug-policy reform history, including its early cannabis civil-infraction framework, but the entheogenic-plant policy did not legalize psilocybin or create commercial access. Washtenaw County Prosecutor Eli Savit's later policy added county-level prosecutorial discretion for entheogenic-plant use, growth, and possession. State and federal law still apply.

Michigan's earliest city-level policy Ann Arbor's 2020 council action made entheogenic-plant investigation and arrest a lowest local enforcement priority.

County prosecutor policy is separate Washtenaw County's prosecutor policy addresses charging decisions across the county; it is not the same thing as statewide legalization.

Long local reform context Ann Arbor's cannabis-policy history helps explain the local political context, but it should not be described as creating legal psilocybin access.

Research context is not legal access University of Michigan and Michigan Medicine provide research and clinical context; they do not make local possession, sales, or use legal.

State and federal law unchanged Psilocybin remains controlled under Michigan and federal law. Local enforcement-priority language is not a retail, therapeutic, or possession license.

Legal and policy timeline

This timeline documents policy and legal history. It does not describe current access options.

Sep 1, 1972News
Ann Arbor begins early local cannabis civil-infraction approach
Ann Arbor's early 1970s cannabis policy became part of the city's long drug-policy reform history, later reinforced by a 1974 city charter amendment.source →
Sep 21, 2020Official (county)
Ann Arbor adopts entheogenic-plant enforcement-priority resolution
City Council adopted a resolution making investigation and arrest involving entheogenic plants a lowest law-enforcement priority within the city context.source →
Jan 15, 2021Official (county)
Washtenaw County Prosecutor announces entheogenic-plants policy
The county prosecutor's office announced a policy not to prosecute entheogenic-plant use, growth, and possession, adding prosecutorial discretion separate from city action.source →

Research institutions

Listed for local research and academic context only. These institutions are not psilocybin providers, endorsers, or access points, and their presence does not mean services, treatment, clinical eligibility, or access are available.

University of Michigan
Michigan Medicine
UM Psychiatry Department
UM Neuroscience Program

Frequently asked questions

Does Ann Arbor's ordinance mean psilocybin is legal?

No. Ann Arbor's resolution and Washtenaw County's prosecutor policy describe enforcement and charging priorities. They do not legalize possession, sale, cultivation, transport, or use under Michigan or federal law.

Is Ann Arbor's approach the same as other Michigan cities?

No. Ann Arbor is unique because (1) it formalized a 50-year institutional pattern of leniency rather than creating new policy, (2) the county prosecutor independently extended the policy county-wide, and (3) the university research context is cultural rather than causal. Other Michigan cities (Detroit, Ferndale, Ypsilanti, etc.) have similar ordinances but different leadership and institutional contexts.

Can I legally use psilocybin in Ann Arbor?

No. The local policy lowers enforcement priority but does not create legal permission or commercial access. Michigan and federal law still apply.

Why is University of Michigan research relevant if it didn't cause the policy?

University research is relevant as local context only. Research programs operate under regulated institutional and federal controls; they do not change city, state, or federal law for the general public.