Michigan
Cannabis Law Guide & THCA Vendor SOP
Hemp Law
Michigan legalized hemp under PA 641 (2018). Follows federal delta-9 definition. THCA products legal.
Important Note
Michigan follows federal standard. Large hemp and cannabis markets coexist.
Marijuana / Cannabis Law
Proposal 1 (2018) legalized adult-use. Cannabis Regulatory Agency oversees all cannabis.
Possession Limit
2.5 oz on person; 10 oz at home; 12 plants
Social equity licenses. Lower tax than many states. Significant market.
THCA Vendor SOP — Michigan
- 1
Register with MDARD for hemp processing
- 2
Lab test: delta-9 THC < 0.3%
- 3
Comply with Michigan food safety for ingestibles
- 4
Label per MDARD requirements
- 5
Maintain batch records and COAs
- 6
No medical claims
Hemp Vendor Requirements
- MDARD hemp processor registration
- COA per batch
- Delta-9 THC < 0.3%
Key Dates
2008: Medical cannabis (Prop 1)
2018-11-06: Adult-use (Proposal 1)
2018-12-28: Hemp legalized (PA 641)
2019-12-01: First adult-use sales
Enforcement Notes
MDARD enforces hemp. CRA enforces cannabis. Joint operations possible.
Disclaimer: This information is provided for educational purposes only and does not constitute legal advice. Cannabis laws change frequently. The statute citations and regulatory links were verified as of March 2026 but may have been updated. Always verify current regulations withMichigan Department of Agriculture & Rural Development before making business decisions. Consult a licensed attorney in Michigan for advice specific to your situation.