Program overview
Montana operates Montana Medical Marijuana Program, administered by Montana Department of Revenue.
How Montana’s law developed
Initiative 148 passed 2004. I-182 in 2016 reformed program. Recreational legalized via I-190 in 2020, effective January 2022.
Official Montana resources
Questions people in Montana ask
- Is marijuana legal in Montana?
- Yes. Montana voters approved Initiative 190 in November 2020, legalizing recreational marijuana for adults 21 and older. Sales began January 1, 2022. Montana's medical program has been active since 2004 through the Montana Marijuana Act.
- How much marijuana can you possess in Montana?
- Recreational users 21+ may possess up to one ounce of usable marijuana. Medical cardholders may possess up to one ounce of usable marijuana at any time. Both may also have concentrates proportional to that amount.
