Arborist Alliance Tree Service

September is National Cleanup Month! Grab a friend or family member and get outside to help clean up your community.

Get involved today! https://ow.ly/qf5V50PELyA

Emerald Ash Borer (EAB) — A Green Menace - Colorado State Forest Service Emerald ash borer attacks and kills all true native North American ash trees, including green, white, black and blue ash, and their cultivars (including “autumn purple ash,” a popular white ash varietal in Colorado). Although rare in Colorado, white fringetree (Chionanthus virginicus) also has n...

Plant Trees to Prepare for Emerald Ash Borer, Increase Diversity - Colorado State Forest Service BROOMFIELD, Colo. - Many Coloradans plant trees in the spring because it's the best time of year to get new trees established, and communities around the state will be hosting plantings this week to recognize Colorado's Arbor Day - which this year falls on April 20.

What Tree Is That? Tree Identification Guide at arborday.org What Tree Is That? is a tree identification guide from the Arbor Day Foundation, featuring an easy-to-use, step-by-step process to identify nearly any tree in North America.

Report: Emerald ash borer could cause $82 million impact in metro Denver Metro Denver could see an $82 million impact from an exotic pest, according to a 2015 report on the health of Colorado's forests.

We've seen a lot of this all year.

Metro Denver trees struggling to recover from November 2014 freeze A sudden, intense drop in temperature in November 2014 severely negatively impacted trees around the Denver region.