Colorado Updates List of Pesticides That Can Be Used on Cannabis, Approves First Product for Hemp

Cueva Fungicide Concentrate is the state's first "Special Local Need" registration for hemp.

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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:

  • Cueva Fungicide Concentrate, SLN CO-200001 (hemp only)

Cueva Fungicide Concentrate is Colorado’s first “Special Local Need” registration for hemp. The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) Section 24(c) allows states to register additional uses of a federally registered pesticide. These additional uses are for distribution and use within a particular state to meet a "special local need" (SLN).

Applicators using Cueva Fungicide Concentrate under this SLN registration must have both the product label and the SLN label in their possession when applying to hemp. A copy of the SLN label can be obtained from CDA’s website here.

This product cannot be used on marijuana.

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.

RELATED: How Colorado Maintains Its List of Approved Pesticides for Cannabis Crops

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.

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