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.
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.
Insect & Disease Issues
How to Get Rid of & Treat Aphid Infestations in Large, Tall Trees
August 23, 2022
See little critters on your maple tree leaves? Or maybe their honeydew left sticky leaves on your outdoor plants? Sounds like aphids! Get rid of them by...
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.
Trimming & Pruning
When Is The Best Time To Prune Trees?
February 25, 2022
We answer your most common questions about when to trim, or prune, trees to promote healthy growth.
Plant Health Care
Trees and Climate Change: What a Warmer Winter Means for Spring Growth
January 23, 2026
Warmer winters are disrupting tree dormancy, causing early bud swell and frost damage. Learn the signs and how to protect your trees this season.
Tree Identification
Ash Tree Identification: Do I Have An Ash Tree?
January 27, 2022
What does an Ash tree look like? Learn how to identify an Ash tree by these common characteristics: ash tree leaves, bark, and common types of ash trees.
Insect & Disease Issues
Blue Spruce Tree Needles Turning Yellow, Brown, Then Dropping? Check For…
August 1, 2022
Yellow or brown needles falling off your spruce tree or Colorado blue spruce? Look for Rhizosphaera needle cast symptoms and manage this blue spruce needle cast.
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