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...

Call us if you want an evaluation on your trees for this devistating problem. We can help!

Emerald Ash Borer Tree Symptoms Determine if your ash tree is infested with emerald ash borer (EAB) or simply suffering from drought or other less-lethal insects. Be sure to click like if y...

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.

Winter Tree Watering Necessary During Drought Conditions - Colorado State Forest Service BROOMFIELD, Colo. - Trees in urban and community settings throughout Colorado are dormant now, but still require occasional watering during dry winters to remain in top health.

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.

Spruce Beetle Epidemic Continues to Expand, Kill Trees in Colorado - Colorado State Forest Service FORT COLLINS, Colo. – Spruce beetle was the most damaging forest insect pest in Colorado for the fifth consecutive year, based on a 2016 forest health aerial survey conducted by the Colorado State Forest Service (CSFS) and U.S. Forest Service (USFS), Rocky Mountain Region.

Denver begins campaign to save trees from emerald ash borer. The city of Denver has launched a campaign to help residents identify and deal with the destructive emerald ash borer, which threatens the urban forest.

Emerald Ash Borer - Colorado State Forest Service In 2013, emerald ash borer (EAB) was confirmed for the first time in Colorado, in the City of Boulder. The highly destructive, non-native insect is responsible for the death or decline of millions of ash trees in 25 states and has already cost communities in the eastern U.S. billions of dollars to t…

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.