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
What Month Do Leaves Change Color & Fall Off Trees?
September 5, 2022
Click to learn what month your tree leaves will change color and fall off trees in the Northeast, Midwest, South or West.
Insect & Disease Issues
Tree Troubles in Wet Weather: Tri-State Pest & Disease Guide
July 10, 2025
Learn how wet weather impacts tree health in NY, NJ, and CT. Explore common pests and fungal diseases, their symptoms, and the trees they affect.
Tree Planting & Transplanting
Why Are Shade Trees Important & The Benefits
May 3, 2022
Learn why shade trees are important and how you can maximize the many benefits of shade trees in your home landscape.
Plant Health Care
How To Help Flooded Trees & Shrubs
March 9, 2023
Talking to a certified arborist about how to care for a waterlogged tree can ensure your plant gets the proper care and attention it needs after a stressful event like a flood.
Leaf & Needle Problems
Palm Tree Care: Should I Cut Off Brown Palm Leaves?
December 1, 2022
Giving your palm trees proper care includes understanding why their leaves may turn brown and how to best care for them. Here's what causes palm tree leaves to turn brown and what you can do about it.
Tree Planting & Transplanting
How To Pick The Right Trees For Drought-Prone Landscapes
July 14, 2022
Find drought-tolerant and drought-resistant trees in your zone.
Insect & Disease Issues
What's Killing My Hackberry Tree?
February 9, 2023
What are these “snowflake” like things falling from my hackberry tree? They are actually a large infestation of Asian woolly hackberry aphids. Let’s learn more about this pest and how to get rid of hackberry aphids so you can better protect your hackberry trees.
Plant Health Care
How a Warmer Winter May Be Affecting Your Plants
January 7, 2021
Seasonably high temperatures in the Eastern half of the country may be a threat to your trees and plants.
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