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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CURRENT UPDATES

Winterize Your Trees

The new year is in full swing and as the winter weather ebbs and flows, Denver will continue to see freezing temperatures, flurries of precipitation and snowstorms potentially as often…

Keep Leaves Out of Landfills

Once again, we’re excited to partner with our friends at Denver Public Works, Denver Recycles and Ace Hardware to give away FREE 5-packs of compostable 30-gallon paper leaf bags to…

KNOW THE SIGNS

Images courtesy Colorado State Forest Service