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
Climate Change On Trees
June 16, 2022
How are forests affected by climate change? Learn more about the effects of climate change on tree species so you can better care for your trees.
Soil Care & Mulching
How to Tell if Soil is Compacted Around Trees and What to Do
October 13, 2021
Is your tree slow growing? You may have compacted soil. Test to confirm, then discover soil compaction remedies. Also see if you can plant trees in compacted soil.
Trimming & Pruning
Should Mature Trees Be Pruned?
November 3, 2022
Here are some tips for trimming mature trees so you can keep your biggest leafy landscape components healthy. Learn when should mature trees be pruned and how often.
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.
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.
Trimming & Pruning
What is Pruning? The Importance, Benefits and Methods of Pruning
September 13, 2022
Ever heard the term "pruning" and wondered what exactly that meant? It mostly means trimming your trees. Learn more about it, how it's done and how it helps trees.
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.
Leaf & Needle Problems
What Can I do About Spots on Japanese Maple Leaves or Trunk?
July 12, 2022
Noticing spots, powder or a fungus on your Japanese maple leaves? Whether the spots are white or brown, it's typically not a serious issue. Still want your tree to look good? Get rid of those leaf problems with these easy steps. First...
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