Arborist Alliance Tree Service

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.

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…