Cannabis in Montana

What this means for cannabis in Montana

Montana's rules should be read by access type: adult-use status, medical program status, possession limits, home cultivation, and the regulator responsible for current guidance.

• Adult-use access: adult-use cannabis is legalized in 2020, and retail sales started in 2022.
• Medical program: medical cannabis was authorized in 2004; licensed dispensaries are operating, and qualifying-condition rules apply.
• Possession: Adults 21+ can possess up to 1 oz of cannabis flower.
• Home cultivation: Home cultivation is permitted in Montana. Plant limit: 4 per adult. 2 mature, 2 seedlings
• CBD context: CBD is legal in Montana. Higher-THC products are available with the appropriate license.
• Regulator to verify: Montana Department of Revenue.
• State note: I-190 passed 2020. Rural state with growing market.

Recreational Use in Montana

Recreational use is legal in Montana since 2020. Adults can possess up to 1 oz. Retail sales began in 2022.

Adults 21 and older can legally purchase cannabis from licensed retailers in Montana. Sales are regulated by the Montana Department of Revenue. All product sold by licensed retailers is lab-tested for potency and contaminants. Identification is required at purchase.

Medical Cannabis in Montana

Medical cannabis is legal in Montana since 2004. Licensed dispensaries are operating.

Patients enrolled in the Montana program must meet state-specified qualifying conditions and obtain a registry card from the Montana Department of Revenue. Program rules cover possession amounts, caregiver designations, and reciprocity with out-of-state cards.

Home Cultivation

Home cultivation is permitted in Montana. Plant limit: 4 per adult. 2 mature, 2 seedlings

Hemp-Derived CBD

CBD is legal in Montana. Higher-THC products are available with the appropriate license.

Hemp-derived CBD products with THC at or below 0.3% are federally legal under the 2018 Farm Bill. State rules add their own restrictions on labeling, lab testing, and retail. See the CBD page for Montana.

Cannabis Questions in Montana

Sources & Verification

This page uses Dr. Greenthumb's current state dataset for Montana, including the listed regulator: Montana Department of Revenue. It is informational, not legal advice, and should be checked against current state guidance before buying or operating.