Missouri Cannabis Laws

(MO)
RecreationalUpdated December 6, 2025

Missouri voters approved recreational cannabis in 2022. Adults can possess 3 oz and grow 6 flowering plants.

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Key Statistics

Fully Legal
Legal Status
21+
Minimum Age
3 oz
Possession Limit
Allowed
Home Growing

Quick Facts

Recreational

Legal

Medical

Legal

Minimum Age

21+

Effective Date

December 8, 2022

Recreational Cannabis Laws

Possession Limit

3 oz

Purchase Limit

3 oz per day

Home Cultivation

6 flowering, 6 non-flowering, 6 clones per adult

Medical Cannabis Program

Possession Limit

6 oz per month

Qualifying Conditions

Cancer, epilepsy, glaucoma, HIV/AIDS, chronic pain, PTSD, and others

Need help getting your medical card? Check out our complete guide to getting a medical marijuana card.

Federal vs. Missouri Law

Important: Cannabis remains a Schedule I controlled substance under federal law, regardless of state legalization.

Federal Law

Illegal (Schedule I)

All cannabis possession, sale, and cultivation is prohibited

Missouri Law

Recreational Legal

Adults 21+ can legally purchase and possess

What this means: While Missouri has legalized cannabis at the state level, federal agencies can still enforce federal law. This affects banking, interstate commerce, federal employment, and travel across state lines or through federal lands.

Missouri Cannabis Law FAQ

Yes, Missouri voters approved Amendment 3 in November 2022, legalizing recreational cannabis.

Official Resources

For the most up-to-date and authoritative information, visit the official state resource:

Missouri Official Cannabis Website

Sources

Missouri (MO)

Quick Reference Card

Fully Legal
Recreational

Legal

Medical

Legal

Possession Limit

3 oz

Min Age

21+

Home Grow

6 flowering, 6 non-flowering, ...

Last verified: December 6, 2025cannabislaw.munchmakers.com
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