All statesMT / State law overviewMontana
Montana permits limited adult possession and growing. Retail sales availability varies by county.
Adult-use rules reviewedSources reviewed September 30, 2026. Coverage: Adult-use possession and cultivation, not all legal questions.
PossessionUp to 1 ounce, under current Department of Revenue guidanceOfficial source Home cultivation2 mature plants + 2 seedlings for private use, not visible to the publicOfficial source Retail accessAdult-use sales depend on county authorization; not every county allows themOfficial source Details worth checking
- Medical patients have different plant allowances. Public-use and federal-land restrictions remain.
- Verify the county’s current retail status and property rules before a visit.
Official sources
Regulators & contacts
Agency information checked September 30, 2026.
Montana Department of Revenue — Cannabis and Alcohol Regulation Division (CARD)
Administers commercial cannabis licensing and regulatory compliance. Use the current division directory for cannabis-specific application, inspection, and patient program contacts.
Cardcierge
Medical cannabis card information, registration, published fees, and evaluation providers for Montana.
View medical card informationGeneral information, not legal advice. Laws, effective dates, and local policies change. Confirm the applicable rules with official sources before acting.