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Montana Cannabis Home Cultivation (2026)

Permitted: Montana allows home cultivation for adults 21 and older: up to 2 mature plants and 2 seedlings per person, and no more than 4 mature plants and 4 seedlings per residence, kept locked and not publicly visible.

PermittedVerified May 31, 2026

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Official source: revenue.mt.gov →

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

Cannabis Home Cultivation in states bordering Montana

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

IdahoRestricted
Home cultivation is illegal in Idaho, and it is a felony.
Verified May 31, 2026 · Source: legislature.idaho.gov · Full Idaho rule →
North DakotaConditional
Home cultivation is generally prohibited in North Dakota, but a registered patient living more than 40 miles from the nearest dispensary may grow up to 8 plants in an enclosed locked facility.
Verified May 31, 2026 · Source: hhs.nd.gov · Full North Dakota rule →
South DakotaConditional
South Dakota has no recreational home grow: only registered patients who pay the cultivation fee may grow, up to 2 flowering and 2 non-flowering plants, though a physician may authorize more.
Verified May 31, 2026 · Source: medcannabis.sd.gov · Full South Dakota rule →
WyomingRestricted
Wyoming prohibits home cultivation — growing cannabis at home is illegal.
Verified Aug 2, 2026 · Source: wyoleg.gov · Full Wyoming rule →

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