From Washington State Liquor and Cannabis Board <[email protected]>
Subject Updated List of Pesticides Allowed in the Production of High THC Cannabis
Date December 15, 2023 9:34 PM
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*December 15, 2023*




Cannabis Producers, Processors, and Retailers

Bulletin No 23-02

*Date:* December 15, 2023

*To:* Cannabis Industry Members

*From:* WSLCB and WSDA

*Subject:* Updated List of Pesticides Allowed in the Production of High THC Cannabis

The Washington State Department of Agriculture (WSDA) has recently updated the list of pesticides that are allowed for use in the production of high-THC cannabis in Washington State, based on criteria previously established by WSDA.


* WSDA has added 1 new Section 3 pesticide and 2 new Section 25(b) pesticides to the list of allowable products for a total of 3 new products.
* WSDA removed 1 Section 3 pesticide from the list for a total of 1 product removed. See details for those removed in the tables below.
* The updated list contains 246 Section 3 pesticides and 88 Section 25(b) pesticides, for a total of 334 products allowed for use in the production of cannabis in Washington State.?

Note: The numbers on the last Bulletin dated July 19, 2023 were incorrect. There was a total of 332 products on the List, but there were 246 section 3 products and 86 section 25(b) products.

*?WPS? and ?HG Only? Columns*

WSDA has 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? cannabis growers. The products designated as ?HG Only = Yes? may only be used by those individuals authorized to home grow medical use cannabis.

Products marked as ?HG Only = Yes? may not be used in the commercial production of cannabis.

*Spray Adjuvants*

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 cannabis if 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 [ [link removed] ].

Please check your stock of pesticides against the list to ensure that you are using an allowed product. Cannabis growers can continue to use any existing stocks of pesticides that were removed from the list, but no new product can be purchased.

All the pesticides that were added to the list contain active ingredients that were already allowed for use in cannabis 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.

Products *Added* to the List:

?Type



?Name



?EPA or WA Registration Number??



?Section 3



?Drip Hydro



?82752-1-102739



?Section 25b??



?BH-B Botanohealth Fungicide



?994320-23001



?Section 25b



?Epishield Insecticide and Miticide??



?68539-23001



Products *Removed* from the List: Product registration was cancelled or non-renewed by the registrant:

?Type



?Name



?EPA or WA Registration Number? ?



?Section 3? ?



?Exile Insecticide/Fungicide/Miticide*? ?



91865-2



*This removed product is from the company General Hydroponics. There is another product with the same Registration Number and brand name ?General Hydroponics Exile? from the company Hawthorne Hydroponics DBA General Hydroponics which remains on the List.

You can find the complete list of pesticides that are allowed for use in cannabis production, the criteria WSDA used to establish the list, and information regarding statewide stop-sale orders in Washington on the WSDA website: [link removed]

Contact Information:

* For questions about the Cannabis List, please contact Laurel Schmalz
* Phone: 360-974-9759
* Email: [email protected]

* 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: [email protected] Email for fertilizer registration: [email protected]

* For information regarding how to comply with the pesticide label, please contact the WSDA Pesticide Compliance Program.
* Phone: 360-902-2040
* Email: pc <[email protected]>[email protected] <[email protected]>

* For any other questions, please contact your LCB Enforcement and Education Officer or Compliance Consultant.

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