Missouri Cannabis Laws
(MO)Missouri voters approved recreational cannabis in 2022. Adults can possess 3 oz and grow 6 flowering plants.
Missouri is one of the states with legal recreational marijuana. View all recreational states →
Key Statistics
Quick Facts
Legal
Legal
21+
Dec 7, 2022
Recreational Cannabis Laws
3 oz
3 oz per day
6 flowering, 6 non-flowering, 6 clones per adult
Medical Cannabis Program
6 oz per month
Cancer, epilepsy, glaucoma, HIV/AIDS, chronic pain, PTSD, and others
Need help getting your medical card? Complete guide to getting a medical marijuana card .
Federal vs Missouri State Law
Federal Law
Cannabis remains a Schedule I controlled substance under the federal Controlled Substances Act. Possession, distribution, and cultivation are federal crimes regardless of state law.
Missouri State Law
Status: Recreational & Medical Legal. Adults 21+ may possess and purchase cannabis at licensed dispensaries.
Federal employees, federal contractors, and anyone crossing state lines should follow federal rules regardless of state legalization.
Frequently Asked Questions
Official Resources
For the most up-to-date and authoritative information, visit the official state resource:
Missouri Official Cannabis WebsiteSources
- Missouri Official Cannabis Resource (accessed Dec 6, 2025)
Information last verified: Dec 6, 2025. Cannabis laws change frequently — always verify current rules with official state sources.
Quick Reference
- State
- Missouri (MO)
- Status
- Recreational & Medical Legal
- Rec Limit
- 3 oz
- Med Limit
- 6 oz per month
- Min Age
- 21+
- Home Grow
- 6 flowering, 6 non-flowering, 6 clones per adult