Colorado has a prioritized weed list based on the abundance and distribution within the state. Based on where a species falls on the list and what part of the county a property is in, owners must eradicate List A. The must eradicate, contain, or suppress List B species. List C species are recommended for control
Weeds that have limited sites and populations within the state. These weeds must be eliminated whenever found.
Visit the List A page for identification and control information. The List A species known to be in Jeffco include:
Weeds identified as having varying populations throughout the state. Eradication zones may be established in areas where the weed is uncommon and complete elimination is required.
Please visit the List B page for identification and control information.
These List B noxious weeds are limited in their distribution and number of infestations within Jeffco. They are required to be eradicated whenever they are found.
These List B noxious weeds are required to be eradicated in parts of the county and controlled in all other parts of the county. The maps show the eradication zones within Jeffco.
These List B noxious weeds that must be controlled and suppressed. These species are found throughout much of Jeffco.