Whether you're picking out a tree for your landscape or making a list for this season's to-dos, we have your tree care questions answered.
Trimming & Pruning
Tree Branches Hanging Over Or Touching Roof? Do This…
February 7, 2022
Have you noticed tree branches touching your roof? Or perhaps a neighbor’s tree is touching your house? Learn how to cut a limb safely and solve the problem.
Invasive Pest Alert for Illinois: Elm Zigzag Sawfly
May 1, 2025
The elm zigzag sawfly, an invasive species, is targeting elm trees in the Chicago region. Most trees recover from this pest, but weakened and stressed trees are at risk.
Plant Health Care
What Are These Green Spots on My Tree’s Trunk or Branches?
May 9, 2022
Do you have green fungus on tree branches or green spots on your tree bark? Learn more about tree bark fungus identification and treatment. Often, you’ll see moss, lichen, or algae. None of which hurt the tree, but learn how you can get rid of lichen (if you do it right).
Insect & Disease Issues
How to Manage Scale: Early Prevention is Key
September 15, 2022
Scale is a common pest of landscape trees and shrubs that can easily be overlooked. Here are visible symptoms of an infestation and how to get rid of scale on trees.
Tree Safety, Storm Prep & Recovery
Tree Safety: Why Do Trees Fall After Heavy Rain?
January 19, 2023
There are short-term and long-term impacts on your trees as a result of waterlogged soil. Learn more.
Tree Selection Guide
Best Oak Trees To Plant for Color
September 2, 2021
Here are some common oak tree varieties that can give you an amazing tree for shade, great texture and interest, and amazing fall color.
Davey Knowledge
How To Reduce Heat Stress On Seattle Trees
April 17, 2025
Contact your local Davey Seattle office in Redmond, Lake Forest Park, Tacoma, and the surrounding areas to help you with your dry-season and watering maintenance.
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