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
Palm Tree Care: Should I Cut Off Brown Palm Leaves?
December 1, 2022
Giving your palm trees proper care includes understanding why their leaves may turn brown and how to best care for them. Here's what causes palm tree leaves to turn brown and what you can do about it.
Plant Health Care
Tree Heat Stress Is Real: How to Protect Roots During Summer Heatwaves
June 12, 2026
Heatwaves don’t just stress leaves—your tree’s roots are at risk, too. Learn how to protect and revive roots with deep watering, mulch, and smart summer tree care.
Insect & Disease Issues
Do Spotted Lanternflies Die In Winter?
February 11, 2021
Does cold weather kill spotted lanternfly? Yes, but only the grown-ups. The eggs survive the winter and create the whole vicious cycle all over again come springtime. Understanding the SLF life cycle is key!
Tree Selection Guide
Salt Tolerant Evergreen Trees (By Zone)
February 14, 2022
Winter salt can dry out evergreens, making their needles brown or yellow. Instead, select salt tolerant evergreens trees for the northeast region and each zone.
Insect & Disease Issues
How to Survive Cicada Season with Netting for Trees
April 12, 2021
Learn how to survive cicada season with netting for trees.
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.
Leaf & Needle Problems
Palm Tree Fronds Turning Brown or Drooping on Outdoor Palm Trees? Try…
January 24, 2019
Does your palm tree have droopy, discolored leaves? Get back to enjoying your dreamy palm trees with this advice on restoring a droopy, brown tree.
Tree Identification
Evergreen Tree Identification Guide: How to Tell the Difference Among Spruce, Fir and Pine Trees
December 17, 2020
Identifying evergreens can be tricky! Follow this guide on how to tell if you have a Spruce, Fir, or Pine tree by the shape of its needles and texture of cones. You will learn the different characteristics and differentiators.
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