Broomfield Tree Company

Since 1978, Broomfield residents have come to count on Ross Tree as their go-to tree company. Ross Tree’s three ISA-certified arborists understand the science and art of pruning. We also have three Qualified Supervisors (QS) licensed by the Colorado Department of Agriculture to handle pesticide products. We prune trees to their dominant leader to encourage strong branch growth and remove damaged, weak, or dead limbs. Ross Tree only uses the products necessary to treat your trees and nothing more. For an appointment, click here to fill out a request service form or call 303-871-9121.

Keep Informed About Trees

To keep informed about tree issues in Broomfield, click here to go to our channel on Youtube, where Ross Tree’s General Manager, an ISA Certified Arborist, discusses insects, diseases, pruning other tree issues. Homeowners may find the Ross Tree Insect Calendar to identify pests munching on their yard trees. We have also posted over 60 blogs on tree issues on our website.

Ross Tree Youtube Channel
Insect Calendar
Blog

Ash Destroying Emerald Ash Borer Found in Broomfield

In August 2019, the Broomfield City Forester confirmed that the Emerald Ash Borer (EAB) had arrived in Broomfield. Since 2016, Broomfield has been busy culling the Ash tree population to 1,500 trees. Click here to go to the EAB web page on the City’s website.

Large Job Expertise

Ross Tree Company has the staff, equipment, and expertise to remove Broomfield’s largest trees. We are known for our ability to handle jobs next to busy streets and to pull road closure permits efficiently. Click here to view our Handbook on Large Tree Service Jobs.

Tree Insect Control

Ross Tree, a leading innovator in tree insect control, recommends systemic tree injections to control tree insects. Using systemics ensures that only the tree gets the product, not the surrounding environment. Click here for more information about the use of systemics to control tree pests. Click here for more information about the use of systemic injections to control tree pests.

Emergency Tree Services Explained

by David Boswell | April 11, 2024 | tree pruning, Tree Removal | 0 Comments

Denver is known for its unpredictable weather. Late spring snow and wind storms can topple trees and cause branch damage across the city. The need for emergency tree service rises exponentially because some damage is hazardous to people, vehicles, and buildings....

Surprising Rise in Tree Aphids in Denver

by David Boswell | March 5, 2024 | Plant Health Care, Tree Health Care, Tree Insect Control | 0 Comments

Each spring is different in Denver. Ross Tree's General Manager is already seeing aphids in February 2024. Last year, Denver had a wet spring, and an Elm Leave Beetle infestation occurred. In 2022, we had a dry early spring with little snow, but it rained heavily in...

Tree Compartmentalization

by David Boswell | February 8, 2024 | Plant Health Care, Tree Health Care, tree pruning | 0 Comments

Trees are among Earth's most successful life forms in terms of longevity, size, and ecological dominance. They are around 370 million years old and found on all continents besides Antarctica. Lifeforms that successfully have ways to content with harm, rot, and...

Tree Risk Assessment

by David Boswell | November 20, 2023 | Plant Health Care, Tree Health Care, tree pruning, Tree Removal | 0 Comments

An experienced ISA Certified Arborist with sound technical knowledge and experience can assess problem trees to prevent injuries and property damage. Tree risk assessment should not assume every tree defect is a hazard but consider the potential for harm from tree...

Two Elms on Elm Street

by John Downs | October 19, 2023 | Deep Root Watering and Feeding, Tree Health Care, tree pruning | 0 Comments

Planting Elm Trees At one time, the American Elm was the most planted tree in America. Elms were popular because of their size and stately fountain-like shape. Trees planted along streets create an entwined canopy that turns gold in the fall. Unfortunately, most...

Winter Care of Young Trees in Denver

by David Boswell | October 19, 2023 | Plant Health Care, Tree Health Care, Tree Insect Control, tree pruning | 0 Comments

In the fall and winter, trees drop their leaves and become dormant as they prepare for colder temperatures. Newly planted trees benefit tremendously from winter young tree care. Believe it or not newly planted trees experience the greatest growth in their root system...

Denver’s Wet Summer – Too Much of A Good Thing

by David Boswell | August 15, 2023 | Plant Health Care, Tree Health Care, Tree Insect Control, tree pruning | 0 Comments

June 2023 is now the wettest ever in Denver, with a total of 6.1 inches of rainfall. While trees need a certain amount of water to thrive, excessive rain can have positive and negative effects, depending on the tree species, soil type, and other environmental factors....

The Year of the Tree Fungus in Denver

by David Boswell | July 31, 2023 | Plant Health Care, Tree Health Care | 0 Comments

Ross Tree is seeing rare tree diseases and insects this year because of our wet spring and summer. One of our arborists found Anthracnose on Ash trees. The fungus usually attacks Sycamore trees. Anthracnose seldom kills trees but disfigures and weakens them. All these...

Dutch Elm Disease Discovered Again in Denver

by David Boswell | July 21, 2023 | Plant Health Care, Tree Health Care, tree pruning | 0 Comments

American Elms are native to North America. Back in the 1800s horticulturists and city planners across the U.S. planted them in parks and the public right-of-ways, so their modern range is the whole country. These magnificent trees grow 60 to 80 feet tall, with a 40 to...

Emerald Ash Borer Handbook

by David Boswell | July 7, 2023 | Emerald Ash Borer, Plant Health Care, Ross Tree Handbook, Tree Insect Control | 0 Comments

The Emerald Ash Borer Is Here to Stay To help our customers, Ross Tree, a locally owned and operated Denver tree company, created an Emerald Ash Borer Handbook to inform home and business owners about this troublesome iridescent green beetle. The Emerald Ash Borer...