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:
How to Plant a Tree in the Denver Metro Area: Part 1
In this three part series, I will explain the steps that need to be taken to successfully plant a tree in the Denver area. Some of the information will be from science and a lot of the information will be from 20-plus years of experience. That’s what I do. I assess...
How to Plant a Tree in the Denver Metro Area: Part 2 – Tree Selection
There is no perfect tree. So, no matter what tree you choose to plant in your landscape, there will be some sort of maintenance involved. Most trees will occasionally need pruning to improve its aesthetics and health. In tune with my environmental awareness, I...
How to Plant a Tree in the Denver Metro Area: Part 3 – Buying and Planting the Right Tree
In the previous two posts, we discussed evaluating a new tree site for space, soil type and sun exposure - all important factors to consider when planting the “Right Tree in the Right Place.” Once these factors are determined, we can narrow the search to finding the...
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...
Preventing Pine Tree Needle Desiccation
Coloradans are fortunate to have a number of elegant pine trees native to their state. Lodgepole, Limber, Piñon and Ponderosa pines thrive across the state from the plains to timberline making them among the most popular landscaping choices everywhere. Above 9,000...
Avoid De-Icing Your Lawn and Landscaping with Salt Products
Even with a foot or more of snow, Coloradans know most of it will be gone after a day or two of bright mountain sunshine. But if the nights stay cold or the snow is on a protected north side of your property, it can melt or compact into ice, which is when many people...
Prepare Your Turf for Spring
With the coming of spring, Colorado lawns are getting a wakeup call. To be sure they start off the season in a good mood, here are some suggestions: Clear Away Debris Fallen leaves, needles and miscellaneous debris all keep needed air and sunlight from reaching the...
Spring Shrub Pruning and Shearing
Most shrubs benefit from an early spring pruning to encourage healthy growth and flowering. But before you morph into a horticultural Edward Scissorhands, take a few moments to learn what types of pruning will benefit your landscape plants, and what will lead to...
Trees of Colorado: The Western Catalpa
The Western Catalpa tree, sometimes called a Catawba or Helicopter tree, is a large broadleaf deciduous tree that works well as a showpiece in a space large enough to accommodate its 40-75-foot height and up to 40-foot wingspan. Foliage Its huge heart-shaped leaves...