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Apply for a Free Tree A man jogs among ash trees in Denver's City Park, all of which are vulnerable to emerald ash borer (EAB). Water, Trees, Life Livestream How Can I Save My Ash? How to Find a Tree Care Professional

Emerald Ash Borer

The emerald ash borer is an invasive borer native to northeast Asia. In recent years, it has wreaked havoc on ash trees across the country. What does this mean for us? One in six trees in Denver are ash trees and, if we do nothing, it’s just a matter of time before they’ll ALL be devoured by the emerald ash borer. But who wants to be a Debbie Downer when you can Be A Smart Ash? Spend some time on our site and learn how you can protect your ash and our urban canopy by identifying, treating and replacing Denver’s ash trees.

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Images courtesy Colorado State Forest Service