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 of Colorado: The Bur Oak
There are many varieties of oak trees that grow in nearly every temperate part of the world. The bur oak (sometimes spelled burr) is part of the white oak group and is native to much of eastern North America. It’s a very rugged tree that is often planted in Colorado...
Trees of Colorado: The Swamp White Oak
The swamp white oak is a North American native that grows naturally in the Great Lakes and Ohio Valley areas of the U.S. and Canada,as well as in isolated pockets as far west as Kansas and as far south as Alabama. It’s a rugged tree that can live for 300 years or more...
Trees of Colorado: The Saucer Magnolia
If you want to add a little drama to your landscape, you won’t go wrong with a saucer magnolia. This French hybrid blooms profusely in the spring with large fragrant pink and white flowers prior to the emergence of thick, smooth deep 3-6” green leaves. It bears an...
Trees of Colorado: The Crabapple
Crabapple trees provoke all sorts of emotions—people love their riotous blossom of thousands of white or pink flowers in early spring and sometimes hate the equally large number of small red fruit that fall onto lawns and sidewalks in late summer. It’s a packaged...
Trees of Colorado: The London Planetree
When East met West somewhere in Spain or England (no one knows for sure) in the mid-1600s, a new tree was born, the London planetree, as it’s commonly called. The London plane is a hybrid of the oriental plane and American sycamore (occidental plane). The name is not...
Caring for Your Sapling
Springtime means you can bury those memories of a rough winter and plant that garden, maybe add some bushes – even plant a tree or two. Just remember that young trees need plenty of care in their first three years and you have an obligation to get them off to a good...
Benefits of Winter Watering your Trees and Shrubs in Denver
Denver has received only 3.07 inches of precipitation since September 1st. Characteristically, our winters involve dry air, low precipitation and extreme temperature fluctuations. If you combine this with the Front Range’s compacted clay soil, it’s a stressful time of...
Birds and Trees – A Lesson of Love
If only we ALL were this productive and helpful to the environment. When birds poop, it’s good for trees. There, we said it. If you’re in the vicinity under a limb the bird is resting on when it lets it fly, you will not be thinking loving thoughts. But overall, we’re...
The Benefits of Fertilizing Trees in Late Fall
Once trees go dormant in late fall most people assume the tree is shut down for the year. This is not true. Though the tree is not actively growing during this time of year, it is still very much alive. Fertilizing just as the tree goes dormant allows those nutrients...
Tree Wrap Protects Against Sunscald
Just like a toddler’s tender skin, the bark of young trees hasn’t had time to toughen up. Colorado’s winter weather is particularly hard on immature trees with its extreme fluctuations in temperature and moisture. This is especially true of young thin-barked trees...