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.
Tree Selection Guide
Fireproof Landscapes With Fire Resistant Plants, Trees & Shrubs
August 8, 2022
Learn what trees and shrubs are fire resistant in California including a fire resistant plant list and trees that can survive forest fires.
Tree Planting & Transplanting
Plants Under Trees: Protect the Root Flare
September 18, 2025
Plant under trees without smothering the trunk. Choose clumping, shallow‑rooted companions, keep the root flare visible, and build a breathable mulch ring.
Tree Identification
How To Identify Dutch Elm Disease: Signs & Symptoms
April 13, 2023
Here are common signs and symptoms of Dutch Elm Disease and how to properly dispose of a tree with Dutch elm disease.
Plant Health Care
How To Protect Palm Trees In Winter
January 20, 2022
Being proactive is important for winter palm tree care. Here are winter palm tree care tips on palm fertilization, palm tree mulching, palm tree watering, and palm tree wraps and covers.
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.
Property Maintenance & Landscaping
Are Exposed Tree Roots a Bad Thing? Get to the Root of the Problem
June 11, 2019
Exposed tree roots make it tough to landscape your yard and leave your trees vulnerable to damage. Read on to learn how surface roots can affect the health of your tree.
Plant Health Care
What's This Green Stuff Growing On Trees And Rocks?
May 7, 2020
Lichen does not pose a threat to your tree’s health. It is completely harmless so there’s no real need to get rid of it. But if the sight of it bothers you, follow the steps in this post to remove it. We highly recommend to not use a pressure washer to remove lichen.
Soil Care & Mulching
How to Keep Soil Healthy For Your Plants
January 25, 2023
Here's how to improve soil quality and how to keep soil fertile, so your plants can thrive.
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