Colorado Department of Agriculture Updates List of Pesticides that Can Be Used on Cannabis

Azasol WSP and Hedge Natural Defense Plant Protectant can now be used without violating the Pesticide Applicators' Act.

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March 22, 2019

PRESS RELEASE - The list for pesticides that can be used on cannabis without being a violation of the Pesticide Applicators' Act has been updated. Please note the following products have been added:

  • Azasol WSP
  • Hedge Natural Defense Plant Protectant

To view the updated list, click here for a pdf or click here for an Excel form. For questions regarding this change, contact Laura Quakenbush at 303-869-9060 or email Laura.Quakenbush@state.co.us.

The Colorado Department of Agriculture (CDA) is currently reviewing pesticide labels upon request and maintaining a list of products whose label it has reviewed that it believes could be used on marijuana without violating 35-10-117(1)(i), as long as the applicator follows the label directions.

Please be sure to review the list; pesticide products may be removed from the allowed products list if the registrant has not renewed their pesticide product with the department. Use of unregistered pesticides on cannabis would be a violation of the Pesticide Applicators' Act.

Stay Informed

For the latest information on CDA's Pesticides Program, visit these important webpages: