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.
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.
Insect & Disease Issues
How to Manage Scale: Early Prevention is Key
September 15, 2022
Scale is a common pest of landscape trees and shrubs that can easily be overlooked. Here are visible symptoms of an infestation and how to get rid of scale on trees.
Insect & Disease Issues
Why Is My Tree Covered In Webs?
May 21, 2020
Tree webworms spin their webs at very tip of branches, while Eastern tent caterpillars spin their webs in tree “pockets.” Find a short list of common trees these tree pests feed on and how to proactively prevent them.
Tree Identification
Tree Identification Guide: How to Identify a Fringe Tree
September 30, 2021
Learn how to identify a Fringe tree with these key features, and how to properly care for one with these tree care tips.
Lawn Care & Maintenance
Best Time To Overseed Lawn (Midwest, Northeast, South, West)
August 31, 2022
Here's the best time to overseed the lawn in the Midwest, Northeast, South and West. Reseeding lawns covers bare spots, and overseeding lawns helps with weeds.
Property Maintenance & Landscaping
Managing Deer Browsing on Your Property
January 19, 2021
The threat of deer feeding continues to increase for a variety of plant species, but there are a few techniques you can use to manage deer and reduce damage to your plants.
Davey Knowledge
How Altitude Affects Tree Growth in Denver: What Homeowners Should Know
January 9, 2026
High elevation, dry soil, and UV exposure all impact tree growth in Denver. Learn how altitude affects tree health and which trees thrive at 5,000+ feet.
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