Emerald Ash Borer
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Treating Parkway Ash Trees
The Emerald Ash Borer (EAB) is an invasive pest that attacks and kills native ash trees. Ash trees are native to Illinois and commonplace in Naperville.
Learn About the EAB Program
The City is treating parkway ash trees to protect them against the EAB.Learn More
Will your tree be treated?
The interactive Emerald Ash Borer treatment map shows where parkway trees are being treated throughout the City.View Map
Treating Your Ash Trees
Homeowners with ash trees have two options: treatment or removal. Treatment has been proven to save ash trees, and Naperville's own parkway ash treatment program has been very successful.
- To learn the value of trees on your property: National Tree Benefit Calculator
- To learn about options for treating your ash tree: Insecticide Options for Protecting Ash Trees from Emerald Ash Borer
- For a list of qualified vendors providing treatments in the Naperville area: Qualified EAB Treatment Vendor list
If you've treated one of your ash trees, please let the City know about its treatment. You can either submit a fillable PDF (link on the right side of the page) or download and mail the form: EAB Treatment Form