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.
Leaf & Needle Problems
Uh Oh - My Tree Has Buds, But No Leaves?
May 25, 2022
If your tree has buds but no leaves, what's going on? Learn why your tree buds are not opening and turning into leaves.
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.
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.
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.
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.
Plant Health Care
Can You Save a Leaning Tree?
July 12, 2021
Learn a few common causes for leaning trees – and see if the tree can be saved or straightened.
Insect & Disease Issues
Signs of Tree Boring Insects
July 30, 2020
Common tree borers include the Emerald Ash Borer, Locust Borer, Bronze Birch Borer, and Longhorned Beetles. Learn which types of trees are at risk, where you’ll find these tree borers, common tree symptoms, and how to get rid of the tree borer.
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.
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