Missouri
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Missouri Marijuana Laws
As recorded December 15, 2025 · not verified as current law.
Cannabis laws in Missouri follow Missouri’s state law. City pages reflect the same jurisdiction-wide cannabis framework; local ordinances typically do not override it.
Recreational cannabis is legal for adults 21 and older. Medical cannabis is also available for qualifying patients. Legal risk may exist for possession exceeding allowed limits or public consumption.
Quick facts
- Recreational: Legal for adults 21+
- Medical: Available
- Possession: Legal within state limits for adults
- Buying/Selling: Legal through licensed retailers
- Tourists: Same rules apply to visitors
Practical guidance
Avoid cross-border transport of cannabis products. Do not assume informal tolerance equals legality.
Legislative History
Missouri legalized medical cannabis in 2018 through Amendment 2, establishing a patient registration and dispensary system. Recreational cannabis was legalized for adults 21+ in 2022 via Amendment 3, permitting possession of up to 3 ounces, home cultivation of up to six flowering plants, and licensed retail sales with automatic expungement for certain prior offenses.