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.
Insect & Disease Issues
Blue Spruce Tree Needles Turning Yellow, Brown, Then Dropping? Check For…
August 1, 2022
Yellow or brown needles falling off your spruce tree or Colorado blue spruce? Look for Rhizosphaera needle cast symptoms and manage this blue spruce needle cast.
Tree Selection Guide
Plants Good for Flooding and Wet Areas (By Zone)
October 27, 2021
Concerned about flood damage to your plants? Find out which trees and shrubs like wet soil. Then, identify the best plants for wet areas in your zone (garden zones 2, 3, 4, 5, 6, 7, 8, 9 and 10).
Trimming & Pruning
How Often to Prune Trees (Including Oak Trees)
February 14, 2022
How often do you need to trim oak trees? Learn how often to prune trees to and avoid deadly oak wilt.
Davey Knowledge
Do Leaves Turn Upside Down or Show Undersides Before Rain?
August 9, 2022
Can trees predict a storm? As the old wives’ tale goes, their leaves curl up to signal a big storm is on the way. But is it true? Read on to find out!
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.
Plant Health Care
Fall in Love with Healthy Trees This Season
August 26, 2021
Follow These Guidelines From Our Fall Checklist To Help Keep Your Trees Healthy
Plant Health Care
Spotted Woodpecker Damage On Your Tree? Here’s What To Do
August 6, 2019
Recognize & Repair Woodpecker Damage
Plant Health Care
Skip the Sugar Water - Best Care for Christmas Trees
December 1, 2021
Wondering how to keep your Christmas tree alive? What do you put in Christmas tree water to keep the tree fresh? Here are the best care tips from industry experts.
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