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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Tips for Watering Trees in Denver
In Denver’s semi-arid climate, trees and water are both precious resources. However, with a few expert tips, you can preserve mature trees on your property and establish new trees that will help grow our urban canopy, diminish heat…
Local foresters use trees to combat extreme heat in Denver’s historically underserved neighborhoods (Rocky Mountain PBS)
Denver City Forester Mike Swanson recently spoke with Rocky Mountain PBS on how the lack of trees in certain areas of Denver has resulted in the creation of heat islands. Heat islands are urbanized areas that experience…
