Adult-Use Legalization

Montana voters approve Initiative 190 and CI-118 to legalize adult-use cannabis

On November 3, 2020, Montana voters passed statutory Initiative 190 (56.90% Yes) alongside Constitutional Initiative 118 (57.74% Yes) to legalize cannabis for adults 21 and older.

Montana voters approve Initiative 190 and CI-118 to legalize adult-use cannabis

On November 3, 2020, Montana voters approved two companion ballot measures to legalize recreational cannabis: Initiative 190 (I-190), which passed with 56.90% Yes (341,037 to 258,337), and Constitutional Initiative 118 (CI-118), which passed with 57.74% Yes (334,540 to 244,839) to allow the legislature or voters to set the minimum legal age for cannabis at 21.

What Montana’s legalization law established

  • Personal possession & home grow: Taking effect on January 1, 2021, I-190 legalized adult possession of up to 1 ounce of cannabis flower (or 8 grams of concentrate). Under the legislature’s 2021 implementation bill (HB 701), adults 21+ may grow up to 2 mature plants and 2 seedlings per person, capped at 4 mature plants and 4 seedlings per household.
  • County-by-county rules and retail launch: HB 701 assigned regulatory oversight to the Montana Department of Revenue’s Cannabis Control Division and defaulted counties that had voted Yes on I-190 into allowing dispensaries (while counties that voted No required a local opt-in vote). Licensed adult-use retail sales began across Montana on January 1, 2022.

Originally reported by Montana Secretary of State

Sources (1)
  1. Montana Secretary of State, Official General Election Canvass — November 3, 2020 (Initiative 190: 341,037 Yes / 56.90% to 258,337 No / 43.10%; Constitutional Initiative 118: 334,540 Yes / 57.74% to 244,839 No / 42.26%). https://ballotpedia.org/Montana_I-190,_Marijuana_Legalization_Initiative_(2020)

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