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.
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).
Property Maintenance & Landscaping
Stop Deer From Eating Arborvitae Trees (Even Emerald Green)
February 17, 2022
Learn the best three ways to keep deer from eating arborvitae trees, including emerald green! Try deer repellent, netting or deer-resistant arborvitaes.
Property Maintenance & Landscaping
How Does Landscaping Affect Property Value And Curb Appeal?
September 23, 2021
Trees and plants don’t just provide beauty on your property; they deliver a substantial return on investment in exchange for relatively low-cost maintenance.
Davey Knowledge
Why Is One Side of My Tree Changing Color First?
October 2, 2026
Why is one side of your tree changing color before the other? Learn when uneven fall color is normal and when it could be a sign of tree stress.
Plant Health Care
Signs & Symptoms Of Tree Stress (Plus Treatment)
September 12, 2022
Learn the signs of symptoms of a stressed tree including tree stress after planting, and signs of drought stress in trees. Then discover treatment for tree stress.
How To Protect Newly Planted Trees From Frost
November 7, 2019
They key to protecting young or newly planted trees and shrubs from cold, winter weather elements are by shielding them from the top of the canopy down to the roots. Here are tips on the best way to protect trees/shrubs from frost, what temperature to cover plants and when to remove tree wrap.
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.
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