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:
Trees to Avoid Along Colorado’s Front Range
As springtime approaches, homeowners’ thoughts turn to Colorado’s great outdoors and ways to enjoy it. Often that’s right in their own back yards, so it’s important to build a space to enjoy for years to come. And one of the things that can have a big impact on that...
Colorado’s Arbor Day is April 20
What’s the favorite holiday at Donovan Arborists? Arbor Day, of course! And in Colorado Arbor Day is celebrated on the third Friday of each April. This year that gives us a one-week jump on the national celebration, held on the last Friday of the month, the...
The “Life Zones” of Colorado
The US Department of Agriculture publishes a list of Plant Hardiness Zones to help gardeners determine which plants are likely to survive in a given geographical location. But these zones are based on average minimum winter temperatures and don’t take other factors...
Trees of Colorado The Ponderosa Pine
Hoss and Little Joe may have roamed the Ponderosa in Nevada, but the Ponderosa pine is right at home along Colorado’s Front Range. In fact, it’s the most widely distributed pine in North America, covering vast areas of the western US including 2 million...
Plan Now for Summer Pests
The time to treat pest infestations and diseases in your landscape is before they occur. And early spring is a good time to start with a program of Integrated Pest Management. What is Integrated Pest Management? Integrated Pest Management (IPM) is a holistic approach...
Trees of Colorado: The Boxelder Maple
Native Range Boxelder maples are native to North America and were introduced as a landscape tree in northern Europe, where it is sometimes considered invasive. It has also naturalized in eastern China and cooler areas of Australia where it is also considered invasive....
Don’t Neglect Storm Damage
Broken Branches Broken branches leave wounds that are susceptible to damage by pests and diseases. It’s important to trim away rough breaks and partial tears. Partially torn limbs present additional risks as trees begin to leaf out and add extra weight and wind...
Trees of Colorado: Ginkgo Biloba (Maidenhair Tree)
If you want a beautiful, exotic shade tree that’s a living fossil too, you might want to look at the gingko. Unique among existing trees, the gingko is a species apart. It has no living relatives, all others having disappeared over its 270-million-year history....
When is the Best Time to Prune Your Trees?
Experts agree that the best time to prune most landscape is from mid-February until early March. The trees are still dormant but are nearing the time that new growth will emerge. Late winter pruning allows enough time for the wounds to heal without exposing them to a...
The American Sycamore
The next time you check your 401k give a nod to the American sycamore. It was under the shade of one, also known as a buttonwood tree, that financiers gathered in New York City in 1792 to sign the Buttonwood Agreement, creating the New York Stock Exchange. Age and...