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
Why Some Trees Change Color Earlier Than Others
August 21, 2026
Wondering why one tree is turning yellow while the rest are still green? Learn which tree species naturally change color first, what causes premature fall color, and when early leaf color may signal tree stress.
Leaf & Needle Problems
What to do if Your Palm Tree’s Spear Isn’t Opening Up (Majesty, Kentia)
March 7, 2019
If you’re worried about a spear leaf that just won’t open on your palm tree, keep reading for some common causes—and solutions—to this palm tree problem.
Plant Health Care
Fall Fertilizer for Trees: Nourish Roots Before Winter
August 21, 2025
Learn why fall fertilization is essential for strong, healthy tree roots. Discover expert tips on choosing the best fall tree fertilizer to prepare for winter.
Tree Selection Guide
Fast Growing Trees That Deer Likely Won’t Damage
August 13, 2019
Read about what to do if you’re looking for a quick-growing tree that deer won’t chow down.
Insect & Disease Issues
Ganoderma Root Rot Treatment
May 20, 2021
“Ganoderma root rot” is a fungus that causes a wood-decaying infection that occurs through tree wounds, and attacks a variety of deciduous trees, such as maples, oaks, and honey locusts, as well as ashes, elms, and some conifers as well as palms. Here are symptoms and signs.
Property Maintenance & Landscaping
Do Nails, Screws Or Staples Hurt Trees?
May 7, 2019
Can you safely drill your tree with a nail or screw? Below, find out if your tree’s a good candidate, and get a guide to safely drilling nails, staples or screws into your tree.
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.
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