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Montana Buying Cannabis (2026)

Permitted: In Montana you may buy cannabis only from licensed dispensaries in "green" counties, meaning the counties that approved I-190; "red" counties prohibit adult-use sales.

PermittedVerified May 31, 2026

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In Montana you may buy cannabis only from licensed dispensaries in "green" counties, meaning the counties that approved I-190; "red" counties prohibit adult-use sales. ID is required, and a 20% tax applies.

Official source: revenue.mt.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Buying Cannabis in states bordering Montana

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IdahoRestricted
Idaho has no legal cannabis market and no dispensaries. Manufacture, delivery, or possession with intent to deliver is a felony punishable by up to 5 years imprisonment and a $15,000 fine (Idaho Code 37-2732(a)(1)(B)); marijuana is Schedule I under 37-2705(d)(19). A decriminalization initiative is circulating for signatures but has not qualified for the ballot.
Verified Jul 28, 2026 · Source: legislature.idaho.gov · Full Idaho rule →
North DakotaConditional
North Dakota has no recreational cannabis market — only registered patients may buy, and only from licensed dispensaries, up to 2.5 ounces of dried flower per 30-day period.
Verified May 31, 2026 · Source: hhs.nd.gov · Full North Dakota rule →
South DakotaConditional
South Dakota has no recreational or retail cannabis market — patients may buy only at licensed medical dispensaries, subject to the 3-ounce cap.
Verified Aug 2, 2026 · Source: doh.sd.gov · Full South Dakota rule →
WyomingRestricted
Wyoming has no legal cannabis market and no dispensaries. Hemp-derived CBD with up to 0.3% THC is sold at retail.
Verified Aug 2, 2026 · Source: wyoleg.gov · Full Wyoming rule →

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