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
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.
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
Climate Facing Trees For U.S. Metropolitan Areas
October 27, 2023
The Davey Institute continues to research areas of the country to assess the shifting climate zones and determine what is the best tree to plant for climate change.
Davey Knowledge
What's Growing On My Tree: Spanish Moss Or Ball Moss
March 7, 2024
Let’s talk about what Spanish moss and ball moss are, what trees they grow on, and how to get rid of Spanish moss and ball moss if necessary.
Tree Removal
What To Do With A Dead Tree In Your Yard
October 26, 2022
So, you've got a dead tree in your yard. How long does it take for a dead tree to fall? Should dead trees be cut down, or can you decorate or spray paint a dead tree?
Trimming & Pruning
Avoid Pruning Oak Trees in Summer – Oak Wilt Causes
August 2, 2021
If you love oak trees as much as us, you’ve dreaded the deadly oak wilt disease. Read on to learn why, pruning oak trees in summer increases their risk of oak wilt.
Davey Knowledge
What Milder Winters Mean for Your Trees: Dormancy Disruption & How to Respond
December 18, 2025
Warmer winters disrupt tree dormancy, leading to early bud swell, frost injury, and poor blooming. Learn how to spot stress, protect roots, and adapt your tree care.
Soil Care & Mulching
Why You Need to Keep Mulch Away from Tree Trunks
May 10, 2022
Mulching is great for your trees, but piling it too high and covering a tree's trunk, can cause decay. Learn why you should keep mulch away from tree trunks and how having mulch too thick around your tree can cause moisture build-up and could smother your tree's roots. Click here for more here!
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