Washington's Medical Marijuana Laws and Regulations Washington's Medical Marijuana Laws

Washington’s medical marijuana law took effect in 1998, with major changes going into effect in July 2016. It allows licensed health care professionals to recommend the use of cannabis for patients with a variety of medical conditions, providing legal protection for patients. Dispensaries now exist through the I-502 program. Registered patients are not subject to sales tax for purchases at retail locations with a medical marijuana consultant certificate. Patients may apply to form cooperative gardens, or may grow up to six plants and possess up to eight ounces of usable medicine. Patients may purchase forty-eight ounces of marijuana-infused product in solid form; three ounces of useable marijuana; two hundred sixteen ounces of marijuana-infused product in liquid form; or twenty-one grams of marijuana concentrates. The qualifying patient or designated provider may also grow, in his or her domicile, up to six plants for the personal medical use of the qualifying patient and possess up to eight ounces of useable marijuana produced from his or her plants. These amounts shall be specified on the recognition card that is issued to the qualifying patient or designated provider.

Product compliance, database, consultant, scheduling and patient access

Growing, producing/processing and retail stores


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