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ARCHIVED - Pesticides Approved for Use on Marijuana for Medical Purposes - Information Bulletin

Warning This content was archived on August 24, 2016.

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To Licensed Producers of Marijuana for Medical Purposes

The purpose of this information bulletin is to advise licensed producers that there are strict requirements that must be followed if pesticides are used to treat marijuana cultivated under the Marihuana for Medical Purposes Regulations (MMPR).

As stated in section 54 of the Next link will take you to another Web site MMPR, marijuana must not be treated—before, during or after the drying process—with a pest control product unless the product is registered for use on marijuana under the Next link will take you to another Web site Pest Control Products Act or is otherwise authorized for use under that Act.

Registered Pesticides

As of May 12, 2015, there are seven registered pesticides approved by the Pest Management Regulatory Agency for use on cannabis (marijuana) that is produced commercially indoors. They are:

  • MilStop« Foliar Fungicide
  • Actinovate« SP Fungicide
  • Opal Insecticidal Soap
  • Neudosan Commercial
  • Kopa Insecticidal Soap
  • Rootshield« HC Biological Fungicide Wettable Powder
  • Rootshield« WP Biological Fungicide

Information and labels for these pesticides is available on the Pesticides and Pest Management section of the PMRA website.

Adherence to Good Production Practices

Section 52(1) of the MMPR prohibits a licensed producer from selling or providing dried marijuana unless the Next link will take you to another Web site Good Production Practices set forth in Division 4 of the MMPR have been met. This includes the requirements for use of pesticides.


In the event that an unregistered pesticide is used on marijuana plants that are intended for sale or provision, Health Canada will require licensed producers to destroy the marijuana plants and/or dried marijuana, and/or proceed with a recall if the product has already been sold.