Weeds/Lawns/Herbicides/Pesticides
- How tall are weeds allowed to grow before they become a violation?
- 12 inches
- Learn more about weed control in the Boulder Revised Code Chapter 6-2.
- 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.
- 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:
- Are dandelions illegal in Boulder?
- No. Dandelions are not classified as a noxious weed and are allowed to grow in the city.
- 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.