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:
When is the Right Time to Remove Your Tree?
By late springtime, your trees should be leafed out, growing, and healthy looking. If that’s not the case, it may be time to consider removing any that look like their best years may be behind them, pose safety risks, lack room to grow, or are an undesirable species...
Did You Know That the Rain That Falls on Your Property May Not Be Yours?
Just because rain lands on your property doesn’t necessarily mean you can collect and use it. In fact, it’s only been a little over a year that collecting water in rain barrels has been legal in Denver. And even that comes with a list of restrictions. Water Rights...
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...
Trees of Colorado: The Quaking Aspen
No tree is more closely associated with Colorado than the quaking aspen. Covering 5 million acres, the aspen is the state’s only widespread native deciduous tree. Its heart-shaped leaves are ubiquitous, turning up in corporate logos, product labels, and signage. It...
Winter Extensions Available for Denver Soil Amendment Requirements
Before newly built structures within the Denver Water service area are landscaped, the soil must be amended to retain water efficiently. This not only conserves water, but adding amendments also breaks up our naturally clay soils and provides nutrients for healthy...
Compost: What to Use Before Spring Planting Starts
Healthy soil not only benefits turf and plant growth, it saves water, too! It works so well, in fact, that Denver Water requires that any landscaping of new construction must conform to its standards for soil amendments in order to conserve water in the areas it...
Planting and Growing Fruit Trees in Colorado
Most fruit trees are hardy and able to withstand the extremes of Colorado’s Front Range climate. They have attractive foliage, interesting shapes, and beautiful flowers in early spring. But that tendency to bloom early is also a source of frustration for Colorado...
Trees of Colorado: The Japanese Pagoda Tree
Stroll through Denver’s Washington Park or Capitol Hill neighborhoods in late summer and you’re likely to see a stately tree full of fragrant white flowers interspersed among bright green fern-like leaves. It’s a Japanese Pagoda tree, a versatile choice that doubles...
Trees of Colorado: The Peach Tree
If you’re one of the many who can’t wait for the end of summer when the Palisade peaches reach the markets from Western Slope orchards, you know that peach trees play an important role in the Colorado economy. They’re also great landscape trees with their beautiful...