Marijuana

For someone 21 or older, or a registered cardholder, possessing, buying, using or transporting 1 ounce or less of usable marijuana is lawful, with not more than 8 grams in concentrated form and not more than 800 milligrams of THC in edibles. Giving the same amount away to another adult is lawful too.

• At a private residence, up to two mature plants and two seedlings, or four of each for a cardholder.
• The plants, and anything over 1 ounce, are kept in a locked space not visible from a public place.
• Plants visible from a public place, or grown or stored outside a locked space, bring a civil fine of up to $250.
• Smoking in a public place brings a civil fine of up to $50.

• §MCA 16-12-106StatutePersonal use and cultivation of marijuana -- penaltiesOpens mca.legmt.gov ↗

The law does not allow driving under the influence of marijuana, using it while driving, or smoking it as a passenger in an enclosed vehicle while it is being operated. Nor does it allow possession or use by anyone under 21 who is not a cardholder.

• §MCA 16-12-108StatuteLimitations of actOpens mca.legmt.gov ↗