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Cannabis and hemp laws
Michigan
Recreational and medical marijuana legal; THCA illegal; delta-8, hemp delta-9, delta-10 and HHC restricted
Adult use
Legal
Medical
Legal
Last reviewed
May 27, 2026
Michigan
Cannabinoid status board
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Michigan
Latest news and analysis
FAQ
Common questions
Is marijuana legal in Michigan?
Recreational marijuana is legal in Michigan. Medical marijuana is legal.
Is THCA legal in Michigan?
No, not at hemp retail. The Michigan Cannabis Regulatory Agency (CRA) treats THCA as marihuana under 2021 PA 56 (House Bill 4517), which amended the statutory definition of THC to capture every tetrahydrocannabinol isomer regardless of source.
Is delta-8 THC legal in Michigan?
Restricted. Delta-8 THC is the cannabinoid that triggered Michigan's 2021 statutory rewrite.
Is hemp-derived delta-9 THC legal in Michigan?
Restricted. Hemp-derived delta-9 THC is chemically identical to marihuana-derived delta-9 THC.
This is general information, not legal advice.
Seed Legality
Seeds are 'marihuana' under MRTMA: adults may buy, possess, grow, and gift them; only CRA licensees may sell.
Hemp seeds
Restricted
Marijuana seeds
Legal
Sale
Restricted
Transacting
Legal
Gifting
Legal
MRTMA's definition of marihuana includes 'the seeds of a plant of the genus Cannabis' (MCL 333.27953), so commercial seed sales are reserved to CRA-licensed establishments, with the CRA's Immature Plant Sales bulletin governing retail propagative-material transactions. Under MCL 333.27955, adults 21+ may possess up to 2.5 oz including seeds, cultivate up to 12 plants at home, and transfer up to 2.5 oz — seeds included — to another adult without remuneration if not advertised or promoted. Hemp seed is notably restricted: under the Industrial Hemp Growers Act (PA 220 of 2020, MCL 286.841 et seq.), registered growers may not sell or transport viable hemp seed, and selling viable seed requires a processor-handler license plus Michigan Seed Law labeling.
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This section is provided for informational purposes only and is not legal advice. Seed laws change frequently — verify current law with qualified counsel before making decisions.