Emerald Ash Borer in Colorado

Emerald ash borer (EAB) was first detected in Colorado in Boulder and continues to spread. Thanks to the Colorado Tree Coalition (CTC) and the EAB Response Team, Colorado communities are informed about the potential impacts and management actions available to prepare for likely future infestations in urban ash tree populations.

Through this Landscape Scale Restoration (LSR) grant project funded by the US Forest Service, the Colorado State Forest Service (CSFS) is working to build on this foundation and increase resources for small and mid-sized communities along the Front Range.

Your Ash is on the Line is a project that includes:

View the full project summary and map of the project area (300 KB PDF).

Ash tree identification

Learn to Identify Ash Trees

Be aware of the symptoms of emerald ash borer

Be Aware of the Symptoms

What you can do to help stop EAB

Explore Your Options

Past Events

Virtual Urban Wood Utilization Workshop #2, March 30, 2021 – Recording
Completing the Urban Wood Cycle — Challenges, Opportunities & A Path Forward

Virtual Urban Wood Utilization Workshop #1, June 24, 2020 – Recording
History, Opportunities & Partnerships for Strategic Urban Wood Utilization in Colorado

Upcoming Events

Urban Wood Utilization Workshop #3
Friday, April 8, 9 a.m. – 3 p.m. MDT
In Person & Online!

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Follow us to stay up to date with our latest events and information about the emerald ash borer in Colorado.


Is Your Area at Risk?

Explore the areas of Colorado impacted by the emerald ash borer. The shaded area on the map indicates the project area for Your Ash is on the Line.