Cannabis Regulations in Clay County, MO (2026)
2 rules for unincorporated Clay County, Missouri.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Clay County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Home Cultivation
Growing cannabis at home is legal in Clay County for adults 21 and over who hold a $100 state registration card. The card allows six flowering, six nonflowering, and six clone plants, kept in a locked space not visible to the public.
Clay County Home Cannabis Cultivation Rules
Some RestrictionsMo. Const. art. XIV, § 2.4(24)
a person at least twenty-one years of age may obtain a registration card from the department to cultivate up to six flowering marijuana plants, six nonflowering marijuana plants (over fourteen inches tall), and six clones (plants under fourteen inches tall)
Dispensary Zoning
Cannabis dispensaries are legal and operating in Clay County, licensed by the state. Local governments can regulate where they locate but can ban them only by a 60% vote of the people at a general election.
Clay County Cannabis Dispensary Zoning
Some RestrictionsMo. Const. art. XIV, § 2.5(1)(a)
a local government may prohibit the operation of all microbusiness dispensary facilities or comprehensive marijuana dispensary facilities regulated under this section from being located within its jurisdiction either through referral of a ballot question to the voters by the governing body or through citizen petition
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