Missouri
Cannabis Law Guide & THCA Vendor SOP
Hemp Law
Missouri legalized hemp under HB 2034 (2018). Follows federal delta-9 definition. THCA products legal.
Important Note
Missouri follows federal standard. Active hemp market.
Marijuana / Cannabis Law
Amendment 3 (2022) legalized adult-use cannabis. Medical since 2018 (Amendment 2). Sales Feb 2023.
Possession Limit
3 oz; 6 flowering plants at home; auto-expungement provisions
Constitutional amendment includes expungement. Robust market growth.
THCA Vendor SOP — Missouri
- 1
Register with MDA for hemp handling
- 2
Lab test: delta-9 THC < 0.3%
- 3
Label per MDA requirements
- 4
Maintain batch traceability records
- 5
No medical claims
Hemp Vendor Requirements
- MDA hemp handler registration
- COA per batch
- Delta-9 THC < 0.3%
Key Dates
2018-11-06: Medical cannabis (Amendment 2)
2018-07-13: Hemp legalized (HB 2034)
2022-11-08: Adult-use (Amendment 3)
2023-02-03: First adult-use sales
Enforcement Notes
MDA enforces hemp. Division of Cannabis Regulation oversees marijuana.
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 withMissouri Department of Agriculture before making business decisions. Consult a licensed attorney in Missouri for advice specific to your situation.