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.
Soil Care & Mulching
Why Is Soil Important for Tree Health and Growth?
April 16, 2026
Why is soil important for trees? Discover how soil structure, nutrients & drainage influence root health & long-term tree growth.
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.
Leaf & Needle Problems
3 Reasons Evergreens Turn Brown in Winter and How to Fix
December 15, 2021
Why are your evergreen trees turning brown in winter? See why this is happening and how to fix it. Hint: a protective spray for evergreens may be the solution.
Davey Knowledge
Don’t Skip a Winter Tree Inspection: Why Cold Weather Reveals Hidden Tree Risks
November 13, 2025
Winter is the perfect time for a tree inspection. With leaves off and frozen ground, arborists can spot hidden structural issues, prune safely, and prevent storm damage. Learn why winter tree inspections are key to cold-weather tree care.
Insect & Disease Issues
Why Is My Tree Covered In Webs?
May 21, 2020
Tree webworms spin their webs at very tip of branches, while Eastern tent caterpillars spin their webs in tree “pockets.” Find a short list of common trees these tree pests feed on and how to proactively prevent them.
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.
Soil Care & Mulching
Can I Use Pine Needles For Mulch?
September 12, 2019
Pine needles are handy to have all year long. When it’s time to mulch your plants and trees, consider using the needles that have fallen in your yard
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.
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