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
What Milder Winters Mean for Your Trees: Dormancy Disruption & How to Respond
December 18, 2025
Warmer winters disrupt tree dormancy, leading to early bud swell, frost injury, and poor blooming. Learn how to spot stress, protect roots, and adapt your tree care.
Spongy Moth: Facts, Life Cycle, Damage and Control
May 23, 2022
Spongy moth infestation? Learn about the spongy moth life cycle, how to control them and what damage they can do to your trees. Read on to discover how bad Spongy moths will be in Massachusetts in 2018 and more spongy moth facts!
Leaf & Needle Problems
Why Are Trees Losing Leaves In August Or Early Fall?
September 1, 2021
A reader asked why her oak tree was losing all its leaves summer. If your tree is losing leaves in early summer (June) or late summer (August), find out why. We outline why oak, maple and ash trees lose leaves in summer. Or if you're seeing tree leaves lose leaves early in the fall, click here!
Tree Identification
Do I have a Flowering Dogwood Tree?
July 23, 2020
Dogwoods are most recognized for their cross-shaped white or pink bracts. They require 4-6 hours of sun each day and can grow in a variety of climates. Learn how to properly care for flowering dogwoods and the potential threats that can harm your tree.
Tree Identification
Do I Have a Norway Spruce?
November 5, 2020
Learn how to easily identify a Norway Spruce by the tree’s shape, bark, needle color, and cone. Find details on how to properly care for Norway Spruces from suitable grow zones, ideal planting spots, and common threats.
Plant Health Care
Why You Should Fertilize Flowering Trees?
August 12, 2021
Fertilizing flowering trees can enhance your landscape aesthetics. By using a slow-release fertilizer it encourages blooms while increasing healthy growth. Fertilization strengthens trees by promoting a healthy root system, learn more.
Insect & Disease Issues
What Are Overwintering Pests and How To Prevent Them
January 23, 2020
Scale insects and Aphids are just a couple overwintering bugs that hide away on trees and shrubs during the winter season. Here’s what you need to know about scale and aphids, how to prevent them and treatment options.
Plant Health Care
Can You Stop A Fruit Tree From Leaking Sap (Cherry, Plum Or Peach)?
May 4, 2022
Colleen said, “I have a plum tree that's oozing sap, and many branches feel dead. Is this OK?” Stop the tree from leaking sap and see if plum tree sap is edible.
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