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:
Treating and Identifying Pests and Disease in Your Trees
Treating and Identifying Pests and Disease in Your Trees Trees are an important part of our environment, providing shade, clean air, and habitat for wildlife. However, trees can also be susceptible to pests and diseases, which can damage or even kill them. If you...
Why You Should Hire A Professional Tree Trimming Service Provider
Why You Should Hire A Professional Tree Trimming Service Provider Trees are a beautiful and valuable asset to any property. They provide shade, privacy, and can even increase the value of your home. However, trees also need to be properly maintained in order to stay...
Preparing Your Trees for Fall
Preparing your trees for the fall season is important and trees are a vital part of our environment, providing us with clean air, shade, and beauty. In the fall, it is important to take some extra steps to care for your trees, so they can weather the winter and come...
Protecting Elm Trees from Dutch Elm Disease
Protecting Elm Trees from Dutch Elm Disease American elm trees are a beautiful and majestic sight, with their tall, stately trunks and spreading branches. But these trees are also under threat from a devastating disease called Dutch elm disease (DED). DED is a...
Confirmed: Emerald Ash Borer discovered in Littleton
Yes, the emerald ash borer (EAB) has been discovered in Littleton, Colorado. Arapahoe County has confirmed these findings. The first confirmed case was found in June 2023 in a tree near the border of Englewood, Greenwood Village, and Centennial. EAB is an invasive...
REVENGE PLANTING
Normally Denver temperatures average 57°/33° in April. Denver International Airport fell to 10 degrees Fahrenheit April 13, 2022, setting a new record low—the coldest Denver temperature this late in the season since 1953. 9News.com reported Denver has the lowest...
DEFENDING YOUR TREES FROM EXTREME WEATHER
It’s hard to believe. Five days ago, 3 to 6 inches of snow accumulated in Denver, CO. The Farmer’s Almanac forecasts that mid-June through mid-July of 2022 the hottest temperatures of the summer will pound the Mile High City. Fifty-degree fluctuations in temperatures...
Call the Tree Avengers
When the Ash Borer first appeared in Boulder, CO in 2013, concern rippled through Colorado’s Front Range. Since then, the Ash Borer has made its way to Ft. Collins, EAB has been confirmed in unincorporated Larimer County and in the cities of Boulder, Gunbarrel,...
BULB PLANNER
Any minute now, tulips will peek through the soil in enviable gardens across metro Denver. Bummer if you missed the window to plant bulbs. The optimum time to plant bulbs in the Denver area is mid-September to late October when average soil temps are 55 degrees,...
To Fertilize or Not
Russia’s invasion of Ukraine will affect your garden this year. Whether you have a small victory garden or own a major farm, know that futures for urea fertilizer have jumped 32% since the invasion began Feb. 24, while diammonium phosphate, or DAP,...