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
Applying Dormant Oils Can Help Protect Your Trees From Parasitic Insects
October 6, 2021
Dormant oils, also known as horticultural oils, will help to keep your trees and shrubs healthy and give you a head start on insect management in the spring.
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.
Lawn Care & Maintenance
How to Keep Grass Green in Hot Summer Weather
August 9, 2022
Keeping your lawn green in the summer is easy! The solution lies in things you’re already doing. Learn 9 tricks to keep your lawn looking fresh all summer.
Trimming & Pruning
When Is the Best Time to Prune Palm Trees?
August 23, 2021
Unlike most trees, there is no best time of year to prune a palm. It depends on how your tree looks. Determine if your palm tree needs pruning by looking for...
Tree Safety, Storm Prep & Recovery
How to Spot—And Protect—Trees from Lightning
July 19, 2021
What exactly happens when lightning strikes a tree? Learn that and how to tell if a tree was hit by lightning. Plus, you can protect your trees from lightning damage.
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.
Insect & Disease Issues
How To Dispose Of Dead Ash Trees (Even If They Have EAB)
May 23, 2022
After you cut down a dead ash tree, what should you do with the ash borer wood? Can you use dead ash trees for firewood? Learn how to dispose of dead ash trees.
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.
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