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
Verticillium Wilt Threatens Japanese Maples
November 9, 2023
Here are the first signs and symptoms of verticillium wilt on your Japanese maples and what you can do for treatment and stop it from spreading.

Insect & Disease Issues
Mediterranean Oak Borer Threat
December 28, 2023
Here’s what you should know about this species of ambrosia beetle and how you can keep it from munching on your favorite trees.

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.

Insect & Disease Issues
Are Boxelder Bugs Eating Maple Tree Leaves? Control the Infestation…
July 28, 2022
Do you have boxelder bugs on your maple trees? They can be quite the bother but aren't known to cause any harm. Learn more about these bugs and how to get rid of them! Start by...

Plant Health Care
The 5 Commandments Of Spring Cleaning Your Landscape
April 9, 2021
Safeguarding your landscape investment means seasonally tending to your trees. And spring is a great time to take a good look at how the trees in your landscape are faring and review the important steps to ensure their good health throughout the year.

Davey Knowledge
How To Reduce Heat Stress On Seattle Trees
April 17, 2025
Contact your local Davey Seattle office in Redmond, Lake Forest Park, Tacoma, and the surrounding areas to help you with your dry-season and watering maintenance.

Tree Identification
Tree Identification: Do I Have A Sycamore Tree?
June 8, 2023
Learn how to properly identify a Sycamore tree with these tips and information.

Trimming & Pruning
Pruning Trees In Spring – Is It OK To Do?
April 13, 2022
You can do some spring tree pruning safely - as long as you know what trees to prune and why. Here's your guide to pruning trees in spring.
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