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
Why Some Trees Change Color Earlier Than Others
August 21, 2026
Wondering why one tree is turning yellow while the rest are still green? Learn which tree species naturally change color first, what causes premature fall color, and when early leaf color may signal tree stress.
Soil Care & Mulching
How to Perform a Soil Test (And Why You Need One!)
April 9, 2019
A soil test gives you all sorts of valuable information about the best way to care for your plants. Below, find how, and why, to do a soil test.
Insect & Disease Issues
What Causes Tiny Rows of Holes in Tree Trunk (Maple, Oak, Apple)?
September 27, 2022
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!
Tree Planting & Transplanting
Helping Trees Recover from Transplant Shock
May 3, 2022
Leaves dropping after transplant? Not sure if your trees in shock or dead? Learn how to save a dying transplanted tree and about tree transplant shock recovery.
Property Maintenance & Landscaping
Spring Ahead: Schedule a Tree Inspection
April 6, 2021
Regardless of your property's reaction to the beginning of spring, making sure your trees are prepared for the warm season is a vital spring to-do. Those who feel they don't have the eyes for catching potential issues should consider enlisting in an inspection by a professionally trained arborist.
Leaf & Needle Problems
Why Are Trees Losing Leaves In August Or Early Fall?
September 1, 2021
A reader asked why her oak tree was losing all its leaves summer. If your tree is losing leaves in early summer (June) or late summer (August), find out why. We outline why oak, maple and ash trees lose leaves in summer. Or if you're seeing tree leaves lose leaves early in the fall, click here!
Property Maintenance & Landscaping
When Should Hedges Be Cut Back In Pacific Northwest
February 6, 2025
In the Pacific Northwest, hedges should be pruned in the late winter or early spring. March is usually a good month for hedge pruning.
Plant Health Care
What to Do About Mushrooms Growing at the Base of Trees
November 17, 2021
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.
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