Reciprocal licensing allows those with a pesticide license from some other states to become licensed without having to take Washington State exams. See the Reciprocal Pesticide Licenses page for more information.
If you intend to use or consult on the use of pesticides for mosquito control, there are specific licensing requirements. Refer to the following fact sheet for guidance.
Do you only need the Private Applicator license to control weeds and/or rodents in limited situations in eastern Washington? You may qualify for a Limited Private Applicator (LPA) or Rancher Private Applicator (RPA) license.
Check out the Limited and Rancher Private Applicator webpage for further guidance.
Growers who use pesticides in the production of marijuana in Washington State must comply with specific licensing requirements. To help growers understand these licensing requirements, WSDA prepared a guidance document: Licensing Requirements to Apply Pesticides Used in Marijuana Production in Washington State
Additional information on other requirements on the production of recreational marijuana can be found on the agency's Recreational Marijuana webpage.