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:
Fall Home and Landscape Checklist
While the holiday season tends to focus on indoor activities, there are several things to do outdoors, too. From making your home attractive and welcoming to visitors and passers-by to getting a head start on spring, here are some things to consider. Trim Your Trees...
The Colorado Blue Spruce
The mountains of Colorado kept an arboreal secret for centuries until botanists identified a variety of blue spruce unique to the Rocky Mountains in 1862. Today, the Colorado blue spruce is one of the most popular ornamental and landscape conifer trees in North...
The English Oak
From the mythical forests of Robin Hood to the parks of Denver, the majestic English oak has graced temperate climate landscapes for centuries. And centuries is a key word when talking about English oaks—they live for hundreds of years, especially when well cared for....
The Pinyon Pine
When Spanish explorers reached the southern Rockies, they were greeted by a familiar sight. Large stands of short, bushy evergreen trees reminded them of the Stone Pines native to their homeland, so they called them by the same name—pino piñonero—a name they still go...
Plan Ahead for Spring Planting
Banish your winter blues by thinking ahead to spring. Avid gardeners know that winter is the best time to plan for the warm weather to come and get a head start on plentiful crops during Colorado’s short growing season. It’s also a great time to reassess your...
The Chinkapin Oak
If you’re looking for a shade tree that a Denver city forester once described as being tough as a junkyard dog, take a look at the chinkapin oak. Sometimes spelled chinquapin, it’s a stately medium-size tree with a rounded canopy that’s native to the central...
Trees for Sustainable Landscaping
Whether you’re going full xeriscape or just trying to optimize your landscape’s sustainability, don’t overlook your trees and shrubs. Matching their soil and nutrient needs to their surroundings will keep them healthy and minimize the things you need...
Managing Storm Damaged Trees
This year’s winter has been a mild one with late March temperatures approaching the eighties. But Colorado residents know that Mother Nature isn’t ready to call quits to winter until mid-May, and she may be holding some snow and ice storms in reserve. That...
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...
Why Do Trees Uproot?
If you’ve ever tried to remove a tree or clear a stump, you know that these plants can have extensive root systems that cling tenaciously to the soil around them. So why do we see so many stories of trees uprooted by storms? Here are some reasons: Wind Speed A 75 mph...