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.

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

Water your tree following Emerald Ash Borer treatment