Denver
DONOVAN ARBORISTS
We offer free estimates for tree planting, pruning, removal, cabling and bracing. We also specialize in trimming, transplanting and fertilizing shrubs and bushes. Contact us now, we are ready to help you.
Holistic Approach
We have the experience and knowledge to help you grow healthy trees and shrubs.
Free Estimates
We offer free estimates for tree planting, trimming, removal, cabling and bracing.
Certified Arborists
Our ISA Certified Arborists ensure that you get the highest quality tree care.
Denver Tree Services
Tree Trimming, Removal, Planting and Plant Health Care Services
Tree Trimming and Pruning
Our ISA Certified Arborists are trained to meet your needs while improving the health, safety and appearance of your trees.
Tree Planting
Our experienced arborists hand-select each tree at the nursery to ensure you receive the highest qualilty trees. Trees are a beautiful and valuable addition to any landscape.
Tree Removal
Trees are a beautiful addition to any landscape, but they can also be a hazard if they are dead, dying, or diseased. If you have a tree on your property that needs to be removed, it is important to do it safely.
Plant Health Care - Fertilizing and Tree Spraying
We believe in being proactive in preventing insect infestations and disease outbreaks in our customer’s trees and shrubs. This starts with identifying the pest risk for plants before it becomes an overwhelming issue.
Deep Root Watering
Deep root watering your trees has a tremendous impact on the overall health of your plants. A hydrated tree is more resistant to insects and diseases.
Emerald Ash Borer
Emerald Ash Borer has killed 10s of millions of Ash tree in 21 states. We have many different treatment options to protect your Ash trees.
HOA and Commercial Services
We offer a complete landscape maintenance package. We make it easy for property managers that want one company to provide a variety of services.
Services We Provide
Visit the link below to see a complete list of the services we offer.
Visit our Treeology Blog for more information:
Roses Are Right for Many Reasons
Maybe your landscape design already has Grandma’s roses. Or, maybe you’re ramping up to re-landscape. Either way, Old Garden Roses are a remarkably hardy plant in Colorado’s climate. And they provide security too. If you’ve ever tried to trim...
A 2018 Guide for Cutting Your Own Christmas Tree in Colorado
Did you know that by cutting your own Christmas tree (or Hanukah bush or Festivus pole) you‘re actually helping with forest management? Thinning forests lets sunlight reach deeper into the canopy, encouraging new, more diverse growth and reducing competition for...
Beware of Troublesome Trees
Don’t be Suckered by Aspens The aspen tree screams Colorado causing flatland homeowners along the Front Range to crave them on their property. That’s usually a bad idea for a couple of reasons. First, they don’t adapt well to the hot, dry plains...

September is National Preparedness Month
Winter brings on a host of challenges for homeowners. They range from winterizing your house for comfort and energy savings to maintaining your trees to avoid winter damage and having a plan in case trouble strikes. The Federal Emergency Management Administration...
Trees of Colorado: The Autumn Blaze Maple
Are you envious of the beautiful fall colors of New England? Or do you just want a shade tree that will turn heads with a blaze of color when summer turns to fall? Then the Autumn Blaze Maple is the tree for you. An Award-Winning Hybrid Tailored for Color The Autumn...
Sheath Your Shears till After the Snow Flies
Fall is a hard season to predict along Colorado’s Front Range. The earliest freeze in Denver was on September 8, 1962, but just 18 years earlier it didn’t come till November 15. In 1961 it snowed on Labor Day! The National Weather Service pegs October 7 as the average...
There’s Still Time to Plant…and Prices are Great!
Fall is the best time to plant most deciduous (leafy) trees. It gives them a head start on spring growth while they concentrate on building a healthy root system over the winter. As long as the soil is workable, trees can be planted, and in most lower-altitude...
Trees of Colorado: The Mountain Mahogany
If you’re looking for a small tree to accent your low-maintenance landscape, the mountain mahogany is an excellent choice. Native to Colorado’s rocky slopes, when mature, it has an attractive, twisted appearance that some liken to the African savanna....
Fall is Pine Nut Harvesting Time
One of the many joys of fall in Colorado is harvesting pine nuts. Long a staple in native diets, pine nuts have become a popular ingredient in today’s southwestern and Mediterranean cuisine as well as nutritious, high-energy snacks. An Ancient Native When Spanish...
Is it Time to Upgrade Your Landscape?
If your home is more than a few years old, your landscaping may be showing its age. This can lead to reduced curb appeal, lower property values, or even serious safety hazards. Here are some things to consider. Trees That Have Outlived Their Usefulness Many trees such...