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.

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 a parkway ash tree, please let the City know about the treatment by filling out an EAB Treatment Form.

Water your tree following Emerald Ash Borer treatment