2020
I-190
2004
I-148
20%
Excise tax + local
142
Statewide
Recreational Use Legal
Adults 21+ can purchase and possess cannabis at licensed retailers
Medical Program Active
One of the earlier state medical programs, established in 2004
Home Cultivation Allowed
Up to 4 plants per household for adults 21+
Public Consumption Prohibited
Cannot consume in public spaces, vehicles, or near schools
Federal Property Prohibited
Illegal on all federal lands — significant in Montana given national park presence