Boulder Colorado Supports Pesticide Use | Code Enforcement Frequently Asked Questions FAQs


  • How tall are weeds allowed to grow before they become a violation?
  • What pesticides are illegal in Boulder?
    • All pesticides are allowed to be applied within the city limits; however, application notification is required. All pesticide use requires notification immediately after application, except:
      • Spot treatment of individual weeds; and
      • Treatment of all areas less than 100 square-feet.

    • Learn more about pesticides in the Boulder Revised Code Chapter 6-10.
    • Visit the city's Integrated Pest Management website to learn more about how the city focuses on long-term prevention or suppression of pest problems while minimizing the impact on human health, the environment and non-target organisms.
  •  Are dandelions illegal in Boulder?
    • No. Dandelions are not classified as a noxious weed and are allowed to grow in the city.
  • Where do I find more information about the State's Noxious Weed List?

via Code Enforcement Frequently Asked Questions FAQs.