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.
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...
Plant Health Care
What Time of Year Do Pine Trees Drip Sap (and Can I Stop It?)
February 21, 2022
What time of year do pine trees drip sap, and how much pine sap is excessive? If it's golden brown, no need to stop tree sap from running or sapping. That's normal in spring. But if you see your pine tree oozing white sap (or a white substance on pine trees), there's a problem. Click here for more.
Davey Knowledge
Mistletoe in Trees
February 8, 2024
Mistletoe grows as a parasite on woody plants. Let’s dive deeper into what mistletoe looks like, where it grows, how mistletoe spreads, and tips for controlling mistletoe in trees.
Tree Selection Guide
Best Low Pollen Trees
March 11, 2021
There are common plants and trees that trigger allergies. Here’s a list of the best and worst trees for allergies.
Tree Selection Guide
Plants Good for Flooding and Wet Areas (By Zone)
October 27, 2021
Concerned about flood damage to your plants? Find out which trees and shrubs like wet soil. Then, identify the best plants for wet areas in your zone (garden zones 2, 3, 4, 5, 6, 7, 8, 9 and 10).
Leaf & Needle Problems
3 Reasons Evergreens Turn Brown in Winter and How to Fix
December 15, 2021
Why are your evergreen trees turning brown in winter? See why this is happening and how to fix it. Hint: a protective spray for evergreens may be the solution.
Tree Removal
What To Do With Uprooted Trees: Replant or Remove?
October 28, 2021
Since trees take a while to grow and provide the shade, look, or privacy you crave, it’s never easy to lose one. Let’s look at the reasons for uprooted trees and what options you have to help save them.
Leaf & Needle Problems
What To Do When Evergreen Trees Are Dying From Top Down
January 17, 2022
Think your pine, evergreen or spruce tree is dying from the top down? Find out why the top of your evergreen is turning brown and what you can do.
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