Marijuana Producers, Processors, and Retailers Bulletin No 19-03
Date: July 1, 2019 To: Marijuana Industry Members From: WSLCB and WSDA Subject: Updated List of Pesticides Allowed for Use in Marijuana Production
The Washington State Department of Agriculture (WSDA) has recently updated the list of pesticides that are allowed for use in marijuana production in Washington State, based on criteria previously established by WSDA.
WSDA has added 14 new Section 3 and 3 new Section 25(b) pesticides to the list of allowable products for a total of 17 new products. There were no products removed from the list this quarter. The list currently contains 302 Section 3 pesticides and 87 Section 25(b) pesticides, for a total of 389 products.
WSDA has included two columns on the list: (1) Section 3 pesticides that are subject to Worker Protection Standard (WPS) requirements, and (2) Section 3 pesticides that are limited to use by non-commercial “HG Only” marijuana growers. The products designated as “HG Only=Yes” may only be used by those individuals authorized to home grow medical use marijuana. Products marked as “HG Only=Yes” may not be used in the commercial production of marijuana.
Spray adjuvants are not included on the list—however any spray adjuvant that is labeled for use on food crops can be used with an allowed pesticide that is applied to marijuana, as long as the intended use is authorized by the spray adjuvant label. For example, a spray adjuvant labeled only for use with an herbicide cannot be used with an insecticide or fungicide. Information on spray adjuvants that are registered for distribution in Washington is available from the WSU PICOL database.
Please check your stock of pesticides against the list to ensure that you are using an allowed product. Marijuana growers can continue to use any existing stocks of pesticides that were removed from the list, but no new product can be purchased.
All of the pesticides that were added to the list contain active ingredients that were already allowed for use in marijuana production.
Some pesticides are labeled for application to soil or to crop plants, while some pesticides are labeled for application to both soil and crop plants (e.g., insecticides, fungicides). Other pesticides include herbicides labeled for direct application to, and control of, unwanted plants (i.e., weeds). Remember to read, understand, and comply with all applicable label directions and precautions when using any pesticide.
![Pesticides Table](https://content.govdelivery.com/attachments/fancy_images/WALCB/2019/07/2668171/pesticides_original.png) You can find the complete list of pesticides that are allowed for use in marijuana production, the criteria WSDA used to establish the list, and information regarding statewide stop-sale orders in Washington on the WSDA web site: https://agr.wa.gov/departments/marijuana
Contact Information:
- For information regarding the registration of pesticides and fertilizers, please contact the WSDA Pesticide and Fertilizer Registration Section.
Phone: 360-902-2025
Email for pesticide registration: pestreg@agr.wa.gov Email for fertilizer registration: fertreg@agr.wa.gov
- For information regarding how to comply with the pesticide label, please contact the WSDA Pesticide Compliance Program.
Phone: 360-902-2040 | Email: pcompliance@agr.wa.gov
- For any other questions, please contact your Liquor and Cannabis Board enforcement officer.
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