Skip to main content
Colorado General AssemblyToggle Main Menu
Agency NameToggle Agency Menu

Neonic Pesticides As Limited-use Pesticides

Concerning a requirement that the commissioner of agriculture designate neonicotinoid pesticides as limited-use pesticides.
2023 Regular Session
Natural Resources & Environment
Bill Summary

The act requires that, on or before January 1, 2024, the commissioner of agriculture adopt rules requiring neonicotinoid pesticides to be designated as limited-use pesticides and authorizing only licensed dealers to sell them. Products containing neonicotinoid active ingredients used in academic research are exempted from the limited-use pesticide designation, as are the following products that contain neonicotinoid active ingredients and for which the product label includes an intended use as:

  • A pet care product;
  • A veterinary product;
  • An indoor pest control product;
  • A personal care product used for preventing, destroying, repelling, or mitigating lice;
  • A product used in structural insulation;
  • A preserved wood product or product used in the manufacturing of wood preservatives;
  • A bait product; or
  • An insect strip.

APPROVED by Governor May 17, 2023

EFFECTIVE August 7, 2023

NOTE: This act was passed without a safety clause and takes effect 90 days after sine die.
(Note: This summary applies to this bill as enacted.)


Became Law


Bill Text

Email addresses for the Colorado legislature have changed from the domain to the domain on December 1, 2022. Details
The effective date for bills enacted without a safety clause (unless otherwise specified) is August 7, 2023. Details
The 2023 Ballot Information Booklet (Blue Book) is now available. Details