Davey Blog

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.

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Tree Lichen Identification
Plant Health Care
What's This Green Stuff Growing On Trees And Rocks?
Lichen does not pose a threat to your tree’s health. It is completely harmless so there’s no real need to get rid of it. But if the sight of it bothers you, follow the steps in this post to remove it. We highly recommend to not use a pressure washer to remove lichen.
How Do We Harm Trees
Property Maintenance & Landscaping
Fact or Fiction: Five Ways You May Be Harming Your Trees
Read over these 5 ways you may be harming trees and didn’t know it! In this post, we offer a few common tree care missteps and what you should avoid to ensure your tree’s health and growth.
Dormant Pruning 600X400
5 Reasons to Prune During the Dormant Season
The dormant season temporarily slows tree growth, creating an ideal window to prune for current tree health and future tree growth.
When Do Pine Trees Drip Sap Davey Tree
Plant Health Care
What Time of Year Do Pine Trees Drip Sap (and Can I Stop It?)
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.
Honey Fungus
Plant Health Care
What to Do About Mushrooms Growing at the Base of Trees
Have you noticed mushrooms growing around your tree's base or roots? It may be dangerous. Learn how to identify and manage honey fungus on your tree.
Holes In Tree Trunk Small Medium Large Davey Tree
Insect & Disease Issues
What Causes Tiny Rows of Holes in Tree Trunk (Maple, Oak, Apple)?
Is it a bug? A bird? Who is marking up your tree's trunk? Well, it's probably a borer or a bird. Keep reading to pinpoint who's the culprit and what you can do!
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Plant Health Care
Slow Vs. Fast Release Fertilizer: What’s The Difference And Which One Is Better?
We'll explore the difference between slow-release and fast-release fertilizer options for your tree care fertilization so you can choose between slow-release fertilizer vs. fast release.
Spring Checklist Photo 2
The 5 To-Do's to Mark Off Your Spring Tree Care Checklist
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