Montana Cannabis Laws 2026: The Modern Era
2026 (May)
2026 (May): The Department of Revenue issues new requirements for dispensaries. Effective July 1, 2026, the maximum potency for ingestibles will be reduced from 10mg to 5mg per serving.
Federal Rescheduling Impact
2026 (April): Federal Rescheduling Impact: With Schedule III, Montana businesses are preparing for "Universal Warning Symbols" on all packaging to comply with new federal consumer education standards.
2026 (Current Status)
2026 (Current Status): Adults 21+ can possess up to 1 ounce of flower. Counties that voted against legalization (red counties) remain "dry" unless a local opt-in vote occurs.
The Adult-Use Era: I-190 (2020–2023)
2020
2020: Voters approve I-190 and CI-118, legalizing recreational use and allowing the state to set the legal age at 21.
2022
2022: Recreational sales begin on January 1. Montana sees surprisingly high sales in its first year, especially in tourism hubs.
2023
2023: The legislature passes HB 903, increasing licensing fees and tightening advertising restrictions.
The Medical Rollercoaster (2004–2016)
The Montana marijuana laws timeline was historically unstable.
2004
2004: Voters approve I-148, creating one of the most liberal medical programs in the country.
2011
2011: The legislature guts the program (SB 423), leading to the closure of most dispensaries.
2016
2016: Voters approve I-182, which restores and expands the medical program, ending years of legal uncertainty in the Montana cannabis legal history.