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
Uh Oh - My Tree Has Buds, But No Leaves?
May 25, 2022
If your tree has buds but no leaves, what's going on? Learn why your tree buds are not opening and turning into leaves.
Tree Safety, Storm Prep & Recovery
5 steps to Help Trees Survive Winter with Little Damage
December 7, 2021
There are ways to keep your trees safe and strong this winter. With five, simple steps, your trees will stand sturdy in the heaviest of winter storms.
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.
Davey Knowledge
How Altitude Affects Tree Growth in Denver: What Homeowners Should Know
January 9, 2026
High elevation, dry soil, and UV exposure all impact tree growth in Denver. Learn how altitude affects tree health and which trees thrive at 5,000+ feet.
Insect & Disease Issues
Verticillium Wilt Threatens Japanese Maples
November 9, 2023
Here are the first signs and symptoms of verticillium wilt on your Japanese maples and what you can do for treatment and stop it from spreading.
Leaf & Needle Problems
My Tree Has Empty Spots With No Leaves. What Should I Do?
June 18, 2019
Let’s get into the potential reasons why your trees might have leafless spots.
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