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 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:

  • MegaGro L
  • Circadian Sunrise
  • All Phase
  • Confine Extra
  • Thymox Control Fungicide and Bactericide Concentrate
  • Rhizopon AA #2 (0.3)

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:

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