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.

CURRENT UPDATES
The Importance of Winter Tree Maintenance
By Michael Swanson, City Forester, Denver Parks and Recreation As winter approaches, many Denverites are preparing for the cold months ahead by blowing out their sprinkler systems and composting their…
Water, Trees, Life Livestream: Fall Colors & Leaf Bags
Welcome to the Water, Trees, Life livestream! https://www.youtube.com/embed/Ff3wqWv6R_I Grab your family and friends for this interactive, educational show from the Be A Smart Ash team. Each livestream brings the natural world…