Recreational home cannabis cultivation is illegal in Redmond and statewide under WA I-502 and RCW 69.50. Registered medical patients may grow up to 6 plants (up to 15 with authorization) per RCW 69.51A.
Washington voters approved Initiative 502 in 2012 legalizing adult-use cannabis but explicitly prohibited home cultivation for recreational purposes. This remains the law under RCW 69.50.401, which treats unauthorized manufacture (including cultivation) as a Class C felony for amounts over 40 grams. Redmond follows state law and has no local ordinance permitting home grow. Only licensed commercial producers holding a Washington State Liquor and Cannabis Board (LCB) Producer license may cultivate cannabis for commercial sale. Registered qualifying patients under the Medical Use of Cannabis Act (RCW 69.51A) may grow up to 6 plants at home for personal medical use, with patient recommendations supporting up to 15 plants for high-need patients. Medical cultivation must comply with: registration in the state medical marijuana authorization database; indoor cultivation only (no outdoor grows visible to the public); secured premises with locks; no sale or distribution to others; harvested cannabis stored out of view. The Washington State Legislature has repeatedly debated allowing limited recreational home grow but has not enacted such legislation as of 2025. Possession of up to 6 plants for recreational use remains a gross misdemeanor.
Unauthorized cultivation: Class C felony under RCW 69.50.401 for over 40 grams, punishable by up to 5 years prison and 10,000 fine. Recreational grow gross misdemeanor.
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