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.
Tree Selection Guide
Plants Good for Flooding and Wet Areas (By Zone)
October 27, 2021
Concerned about flood damage to your plants? Find out which trees and shrubs like wet soil. Then, identify the best plants for wet areas in your zone (garden zones 2, 3, 4, 5, 6, 7, 8, 9 and 10).
Insect & Disease Issues
Are All Ash Trees Susceptible to Emerald Ash Borer (EAB)?
August 15, 2019
A Davey blog reader reached out to ask if all ash tree species were susceptible to this pest and if the borer prefers younger trees or more mature ones. If you think your trees are vulnerable to EAB, continue reading to learn about the signs and how to control this pest.
Tree Selection Guide
What Trees Are Safe to Plant Near a Septic Tank?
October 18, 2022
Want to cover up your yard's pesky septic tank? Flowers and grass are probably your best bet. But a tree or shrub could work if you pick the right one. Just know...
Plant Health Care
Signs Of Underwatering Trees Or Overwatering Trees
July 25, 2022
Learn the difference between overwatering and underwatering a tree including signs of overwatering, signs of underwatering trees and how to fix an overwatered tree.
Leaf & Needle Problems
Why Are There Brown Or Black Spots On My Maple Leaves?
August 22, 2022
Learn what is the treatment for black spots on maple tree leaves including maple leaf fungus and what maple tar spot is.
Insect & Disease Issues
Are Box Tree Moths Dangerous?
August 8, 2024
Box tree moths can cause substantial damage to boxwoods, potentially leading to their death if not managed promptly. Learn how to manage and treat.
Trimming & Pruning
Pruning Trees In Spring – Is It OK To Do?
April 13, 2022
You can do some spring tree pruning safely - as long as you know what trees to prune and why. Here's your guide to pruning trees in spring.
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.
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