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.
Plant Health Care
Evergreens Turning Brown? Seasonal Needle Drop Explained
October 2, 2025
Interior needles yellow and shed each fall. Learn what’s normal by species, when browning signals stress, and simple steps to water, mulch, and inspect.
Plant Health Care
How To Get Rid Of Ants Near Your Trees
July 11, 2022
Learn how to get rid of ants on trees and plants and if ants are killing your tree. Are ants around tree roots good or bad?
Lawn Care & Maintenance
How Often Should I Aerate My Lawn?
September 9, 2021
When it comes to aeration, how often you perform the service can be dependent on your soil type. Here are reasons why to aerate your lawn, the best time to aerate and overseed lawn, and mistakes to avoid
Davey Knowledge
Climate Facing Trees For U.S. Metropolitan Areas
October 27, 2023
The Davey Institute continues to research areas of the country to assess the shifting climate zones and determine what is the best tree to plant for climate change.
Plant Health Care
Freeze and Thaw Damage on Trees
February 6, 2020
Read how fluctuating winter temperatures and frost can affect tree growth and cause other types of winter injury. Mulching trees in fall and tree guards are just a couple things you can do to help minimize damage, learn more.
Davey Knowledge
What's Growing On My Tree: Spanish Moss Or Ball Moss
March 7, 2024
Let’s talk about what Spanish moss and ball moss are, what trees they grow on, and how to get rid of Spanish moss and ball moss if necessary.
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.
Tree Selection Guide
Best Trees For Fence Lines
May 25, 2023
Here are some of our recommendations for best trees for a fence line.
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