2 rules for unincorporated Benton County, Washington.
Verified from official government sources
Recreational cannabis is legal to buy and use in Washington, but growing it at home is illegal statewide, including in Benton County. Only qualifying medical patients may cultivate, and then only a limited number of plants under state medical law.
RCW 69.51A.210
up to six plants for the personal medical use of the qualifying patient
Unincorporated Benton County bans cannabis retail, production, and processing under county code Chapter 11.42, so no store may open outside the cities. Rules differ by city: West Richland also bans retail, while other Benton County cities are more permissive.
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