Key Statistics
Quick Facts
Legal
Legal
21+
January 1, 2021
Recreational Cannabis Laws
1 oz
1 oz
4 mature plants, 4 seedlings per adult
Medical Cannabis Program
1 oz usable
Cancer, glaucoma, HIV/AIDS, Crohn's, epilepsy, MS, chronic pain, PTSD, and others
Need help getting your medical card? Check out our complete guide to getting a medical marijuana card.
Federal vs. Montana Law
Important: Cannabis remains a Schedule I controlled substance under federal law, regardless of state legalization.
Illegal (Schedule I)
All cannabis possession, sale, and cultivation is prohibited
Recreational Legal
Adults 21+ can legally purchase and possess
What this means: While Montana 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.
Montana Cannabis Law FAQ
Yes, Montana voters approved Initiative 190 in 2020, with legal sales beginning in 2022.
Official Resources
For the most up-to-date and authoritative information, visit the official state resource:
Montana Official Cannabis WebsiteSources
Montana (MT)
Quick Reference Card
Legal
Legal
1 oz
21+
4 mature plants, 4 seedlings p...
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