How much medical marijuana can you possess in Montana?
Yes.
Medical marijuana is legal in Montana. Updated October 2026.
Possession limits
The recorded possession limit for medical marijuana in Montana is 1 oz (28 g).
Yes — medical marijuana is legal in Montana.
No separate over-limit penalty text is on file; the headline status still applies.
This is a long-tail extract of the main Montana ruling, published only because a possession figure exists in the dataset.
Frequently asked
Is medical marijuana legal in Montana?+
Yes — medical marijuana is legal in Montana.
Is medical marijuana legal everywhere in Montana?+
The recorded status for Montana as a whole is legal. Local bylaws can still add conditions.
How much medical marijuana can you possess in Montana?+
The recorded possession limit is 1 oz (28 g).
Can tourists use medical marijuana in Montana?+
Visitors to Montana are generally subject to the same medical cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Can you grow medical marijuana at home in Montana?+
Home cultivation is recorded as: yes (four plants).
When was this Montana medical marijuana ruling last verified?+
Last verified 2026-10-19.