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Tree Trimming

Swingle Expert Tree Trimmers

Denver Tree Trimming and Pruning Services

Professional tree trimming is essential for healthy trees. Dying or dead branches, overgrowth and interference – when one tree grows around and/or through another – can cause health issues and weaken trees.

Swingle, founded in 1947 by a Colorado tree surgeon, employs more certified arborists than any other Colorado company. This is one reason our safety and customer retention rates are among the best in the entire industry. Our Landscape Care Consultants are another reason. Each is expertly qualified to prescribe a treatment plan for your trees and landscape. Initial inspections and follow-up courtesy visits are free. Get a professional partner who understands how to make your trees thrive in Colorado’s climate.

Swingle tree trimming and pruning services include:

  • Young Tree Pruning: Swingle’s experienced arborists will begin training young trees ranging from ten to fifteen feet in height. This pruning is essential for long-term structure and health.
  • Evergreen Pruning: While pine and spruce trees require little attention, especially in metropolitan areas like Denver, Fort Collins and Boulder, overgrowth can block passageways and sight lines. Evergreen shrubs can be a blight if neglected; a showpiece when properly trimmed.
  • Dormant Tree Pruning: Certain trees, especially fruit trees, should only be pruned during the dormant season. Dormant pruning is also the best way to minimize emergency storm damage from Colorado thunderstorms, hail storms and early season snowstorms.

Tree pruning trains young trees to mature into a well-shaped and healthy part of your yard’s landscape. Tree pruning also helps prevent corrective tree services, which can be expensive and unexpected. A full, healthy crown and strong, well-placed branches minimize the risk of emergency storm damage to the tree and anything below and around it (such as people or property).

Things to ask a tree service professional

Q: Will my trees and shrubs be cared for by a certified arborist?
A: Only a certified arborist is truly qualified to prescribe proper tree care and treatment, including pruning.

Q: What is the company’s safety record?
A: Tree pruning carries risk. An accident on your property introduces a myriad of unpleasant issues. Be certain you are dealing with a reputable company and that the technicians sent to your home are properly insured, trained and outfitted.


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Unsure if your tree is a city tree?

If you’re unsure if a tree on your property is the cites responsibility or the homeowners, “read more” to find helpful information from the City of Denver.

CLICK HERE for the City of Denver tree inventory site

  • Enter your address into the search box at the top left of the page
  • Blue triangles indicate a city tree that belongs to the Forestry Department
  • Green Circles indicate a parkway tree that belongs to the Parks and Recreation Department
  • Clicking on the triangles or circles will open a window that shows the species, address, ID # and size range of the tree
  • If the blue tree is an ash, it will include a line for “treatment cycle” (ash trees only)

Key of Terms:

  • N/A means the tree has not been selected for treatment by the city
  • Cycle1 means the tree was selected for treatment in 2016
  • Cycle2 means the tree was selected for treatment in 2017
  • Cycle3 means the tree was selected for treatment in 2018
  • Note: Ash trees that are a green circle will not show if they were selected for treatment
Read More

Many of our technicians are certified by the International Society of Arboriculture
and/or State Department of Agriculture for their areas of expertise.

Tree Care Industry Association       Colorado Department of Agriculture

International Society of Arboriculture       Occupational Safety and Health Administration

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