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
How to Tell if Your Brown, Yellow or Orange Cedar Tree is Dying
January 31, 2019
Are you seeing brown, yellow or orange needles on your cedar tree? If your cedar tree’s not living up to its “evergreen” name, keep reading to find out why.
Tree Selection Guide
Best Trees For Hanging A Tree Swing (Tire, Wooden and Seat)
July 21, 2021
The most important step in installing a tree swing is choosing the right tree.
Plant Health Care
How to Maintain Tree Health During Dry Autumn Conditions
October 30, 2025
Fall droughts can quietly stress your tree. Learn the key signs and the best fall watering, mulching, and fertilization practices to keep them healthy through winter
Insect & Disease Issues
What's Killing My Hackberry Tree?
February 9, 2023
What are these “snowflake” like things falling from my hackberry tree? They are actually a large infestation of Asian woolly hackberry aphids. Let’s learn more about this pest and how to get rid of hackberry aphids so you can better protect your hackberry trees.
Plant Health Care
Late-Winter Tree Watering: Why February Moisture Matters More Than You Think
February 6, 2026
Learn why watering trees in February is more important than it seems, even during late winter dormancy. Discover how proper hydration prevents winter stress, supports root growth, and prepares trees for a healthy spring.
Tree Identification
Tree Identification: Do I Have A Sweetgum Tree?
May 26, 2022
If you're a fan of fall color, a sweetgum tree might be perfect for you. Learn how to identify a sweetgum tree, when do sweetgum trees bloom, and how to handle sweetgum tree balls and care for your shade tree.
Plant Health Care
What is the Definition of Plant Health Care?
June 3, 2021
The best way to keep trees healthy? Plant health care. Learn what plant health care is and how it benefits your trees.
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