Pesticide and Fertilizer Use on Marijuana in Washington

8/28/17–To assist growers who use pesticides for the production of marijuana in Washington, WSDA has developed a list of pesticides that meet WSDA Criteria for use on marijuana. The list only includes registered pesticides that are allowable for use on marijuana as defined by the above criteria. The list has been provided to the Washington State Liquor and Cannabis Board and the Washington State Department of Health and will be updated by WSDA as needed. Read