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
Are All Ash Trees Susceptible to Emerald Ash Borer (EAB)?
August 15, 2019
A Davey blog reader reached out to ask if all ash tree species were susceptible to this pest and if the borer prefers younger trees or more mature ones. If you think your trees are vulnerable to EAB, continue reading to learn about the signs and how to control this pest.
Insect & Disease Issues
Ganoderma Root Rot Treatment
May 20, 2021
“Ganoderma root rot” is a fungus that causes a wood-decaying infection that occurs through tree wounds, and attacks a variety of deciduous trees, such as maples, oaks, and honey locusts, as well as ashes, elms, and some conifers as well as palms. Here are symptoms and signs.
Property Maintenance & Landscaping
Worst Mistakes Prepping Trees For Winter
November 14, 2019
Avoid these common mistakes when prepping your trees and plants for winter: incorrectly wrapping trees and shrubs, skipping tree pruning, not applying insect prevention oils, overwintering insects and not storing container plants properly.
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.
Leaf & Needle Problems
What Can I do About Spots on Japanese Maple Leaves or Trunk?
July 12, 2022
Noticing spots, powder or a fungus on your Japanese maple leaves? Whether the spots are white or brown, it's typically not a serious issue. Still want your tree to look good? Get rid of those leaf problems with these easy steps. First...
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.
Plant Health Care
Does a Late Spring Frost or Snowfall Damage Trees?
March 14, 2022
Learn more about late spring frost damage including maple, redbud, lilac, magnolia and japanese maple tree frost damage and why japanese maples lose leaves after a late spring frost
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.
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