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.
The Key to Pruning Spring Flowering Trees
May 29, 2025
Learn the best times and techniques for pruning spring-flowering trees to ensure a vibrant and healthy garden. Find expert tips on when to prune and what trees to avoid.
Davey Knowledge
Why Is One Side of My Tree Changing Color First?
October 2, 2026
Why is one side of your tree changing color before the other? Learn when uneven fall color is normal and when it could be a sign of tree stress.
Tree Planting & Transplanting
Can You Grow Evergreens In A Container?
February 18, 2021
Evergreens grow very well in containers and in most environments! The options are endless, so here's a list of the best evergreens to grow in pots by hardiness and height.
Insect & Disease Issues
Tree Pests vs Beneficial Insects
May 30, 2024
Beneficial insects can play a vital role in maintaining the health and balance of tree ecosystems by preying on or parasitizing harmful insects, pollinating flowers, decomposing organic matter, and contributing to nutrient cycling. Let’s explore the world of tree pests versus beneficial insects.
Best Trees to Plant for Shade for Your Front & Back Yard
May 6, 2021
Trees come in all shapes and sizes, and you want to get the one that most fits your specific climate and conditions, here is our list of the best trees to plant near your house for shade.
Invasive Pest Alert for Illinois: Elm Zigzag Sawfly
May 1, 2025
The elm zigzag sawfly, an invasive species, is targeting elm trees in the Chicago region. Most trees recover from this pest, but weakened and stressed trees are at risk.
Plant Health Care
What Are These Green Spots on My Tree’s Trunk or Branches?
May 9, 2022
Do you have green fungus on tree branches or green spots on your tree bark? Learn more about tree bark fungus identification and treatment. Often, you’ll see moss, lichen, or algae. None of which hurt the tree, but learn how you can get rid of lichen (if you do it right).
Plant Health Care
Signs & Symptoms Of Tree Stress (Plus Treatment)
September 12, 2022
Learn the signs of symptoms of a stressed tree including tree stress after planting, and signs of drought stress in trees. Then discover treatment for tree stress.
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