303.623.8733 (TREE)

TREEOLOGY – BE INFORMED

Plant Health

Donovan Arborists

Tree Care Services

Our ISA Certified Arborists ensure that you get the highest quality tree care.

Free Estimates

We offer free estimates for tree planting, trimming, removal, cabling and bracing.

Plant Health Care Services

We believe in being proactive in preventing insect infestations and disease outbreaks.

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Plant Health

First Responder For Your Trees

When Paul Donovan got the urgent notification, he happened to be just blocks away from Congress Park. A certified arborist, his is an outside job. Within minutes he was on the scene in Congress Park. Because that’s what first responders do.
Donovan is a Certified Arborist. The customer calling for his help had used his services for the last 5 years. Denver Water had begun its replacement of the water main along Milwaukee Street from 6th to 13th avenues. A backhoe operator at work digging up the old sewer main had pivoted his backhoe around and slammed the bucket of the truck hard into the tree resulting in a 4 foot crack in the bark at the trunk. The bark had loosened.

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Winter Watering Keeps Trees Ready for Spring

Don’t let those bare branches fool you, your trees and shrubs need water year-round. Their leaves may be long-gone, but your trees and shrubs are still active, even in the dead of winter. When cold weather comes, trees redirect their energy from above-ground growth and leaf and seed production to storing nutrients and expanding their root systems. And they need water to do it.

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What We Can Learn from Tree Rings

You probably know that counting the concentric rings in a cross-section of a tree trunk can tell the tree’s age. But that’s just the beginning of the wealth of information contained in the rings. Scientists can examine and test the rings to uncover years, even centuries, worth of knowledge about climate, atmospheric changes, and local geography.

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