As of November 12, 2026, THCa is banned from retail sale in Michigan, effective October 11, 2021. THCa flower illegal: THCA is statutorily THC.
Verified November 12, 2026. Full determination, citations and verbatim law: Is THCa legal in Michigan?Latest update : Status changed from illegal to restricted. Change history
The Michigan THCa ban is already in force (effective October 11, 2021); no further effective date is pending.
Every state where THCa is banned · Hemp ban in Michigan · THC ban in Michigan · Federal hemp ban: what changes Nov 12 and Dec 11 · All compounds in Michigan · Is THCa Legal? Every state
Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.
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