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.
Leaf & Needle Problems
What Are These Bumps on My Oak Tree Leaves?
June 1, 2022
Why are there bumps or round balls on oak tree leaves? Are these growths on oak leaves because of oak leaf gall or oak leaf blister? Learn what to do.
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
The Dirt On Drought Stress And Its Effect On Your Trees
October 14, 2021
Davey Knowledge
Harvesting Evergreen Boughs For Seasonal Wreaths
October 4, 2023
Evergreen boughs provide incredible texture and greenery! You can decorate them to match your color scheme or use them to add a touch of holiday magic to your home.
Tree Planting & Transplanting
Transplanting Evergreens 101
January 12, 2023
Here are some guidelines and tree moving tips so you can get a better idea of whether or not your favorite evergreen can be successfully transplanted to a new spot in your landscape.
Leaf & Needle Problems
Why Your Tree is Not Growing Leaves in Spring (Cherry, Elm & Ash)
May 18, 2022
Why is your tree not growing leaves in spring? Including why cherry, elm and ash trees are not leafing out.
Tree Planting & Transplanting
Tree Transplanting Cost for Big and Small Trees
February 21, 2019
So exactly how much does it cost to transplant a tree? Keep reading to find out what factors go into an estimate.
Insect & Disease Issues
Mediterranean Oak Borer Threat
December 28, 2023
Here’s what you should know about this species of ambrosia beetle and how you can keep it from munching on your favorite trees.
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