Yes — marijuana was legalized in Montana. Voters approved recreational cannabis in November 2020 through Initiative 190, and the law took effect on January 1, 2021. Commercial sales officially began in January 2022, making both medical and recreational cannabis legal in the state.
2004: Medical marijuana legalized by ballot initiative.
2016: Law revised to expand patient access and provider limits.
November 2020: Voters approved Initiative 190, legalizing recreational cannabis for adults 21+.
January 1, 2021: Recreational legalization officially took effect.
January 2022: Licensed dispensaries began recreational sales statewide.
2025: Adults 21+ may possess up to 1 ounce of cannabis and grow 2 mature plants + 2 seedlings at home. Medical patients may purchase up to 5 ounces per month and cultivate 4 mature plants + 12 seedlings