Cannabis Laws in Montana
Is weed legal in Montana? Yes — recreational and medical cannabis are both legal here for adults 21+.
Cannabis is legal for adults 21+ in Montana, approved by voters in 2020 with licensed retail sales open since January 2022. Adults may possess up to one ounce and grow a limited number of plants at home in a private, locked space out of public view. Sales and licensing are overseen by the Department of Revenue.
Federally, cannabis is still a controlled substance nationwide — but that status is in flux. See where rescheduling stands →
Regulated by Montana Department of Revenue, Cannabis Control Division.
Browse cannabis roles and set a free alert for Montana.
Recreational & medical legal — other states
Last reviewed 2026-06-19. This is general information for adults 21+, not legal advice — cannabis laws change frequently. Confirm current rules with Montana Department of Revenue, Cannabis Control Division before acting.