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.
Plant Health Care
How Often to Water Trees During a Drought
August 16, 2021
With a finite amount of costly water, consider limiting water to hydrate your trees first.
Insect & Disease Issues
Treatment for Orange Balls on Cedar & Juniper Trees (Rust Fungus)
July 28, 2022
Have you noticed orange balls on your trees? Some people think they look like slimy worms or octopus tentacles. Learn what they are, how they happen and why they may affect your crabapple or apple tree next!
Davey Knowledge
What Month Do Leaves Change Color & Fall Off Trees?
September 5, 2022
Click to learn what month your tree leaves will change color and fall off trees in the Northeast, Midwest, South or West.
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.
Soil Care & Mulching
Guide to Mulching: Is Cedar or Cypress Mulch Better?
December 29, 2022
One of the best things you can do to boost tree health is to create mulch rings around them. Outlined are the pros and cons of using cedar or cypress mulch.
Plant Health Care
How to Water Trees and Shrubs with Drip Irrigation (and Tips!)
August 30, 2022
Drip irrigation systems automatically deliver the right amount of water to trees and shrubs. So, you get to soak up the savings (and more free time). Start by...
Plant Health Care
When Do Flowering Trees Bloom in Spring, Including Fruit Trees
April 15, 2021
Everything you need to know about which fruit or flowering trees bloom in spring. Get a list of trees by growing zones that have pink or yellow flowers, and which flowering trees have the longest bloom. Is your fruit or flowering tree not blooming? Learn why!
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.
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