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.
Leaf & Needle Problems
Why ‘Bradford’ Callery Pear Tree Leaves Are Brown, Black or Falling Off
June 14, 2022
Are your Bradford or ornamental pear tree leaves turning black, brown, dying or falling off? Your Bradford pear is likely dealing with a common springtime fruit tree infection: fire blight. Learn more about fire blight and how you can help your tree.
Tree Planting & Transplanting
How to Plant a Live Christmas Tree with Root Ball in the Garden
January 9, 2018
Here is your Christmas tree planting guide with directions how to plant a Christmas tree without roots and how to plant a Christmas tree in the garden.
Insect & Disease Issues
Tree Troubles in Wet Weather: Tri-State Pest & Disease Guide
July 10, 2025
Learn how wet weather impacts tree health in NY, NJ, and CT. Explore common pests and fungal diseases, their symptoms, and the trees they affect.
Lawn Care & Maintenance
Best Way To Get Rid Of Grass Clippings? Compost! Here’s How.
October 12, 2022
Compost is the best way to get rid of grass clippings after mowing. Learn how to compost grass clippings and how long it takes for grass clippings to decompose.
Plant Health Care
What to Do About Mushrooms Growing at the Base of Trees
November 17, 2021
Have you noticed mushrooms growing around your tree's base or roots? It may be dangerous. Learn how to identify and manage honey fungus on your tree.
Plant Health Care
Applying Dormant Oils Can Help Protect Your Trees From Parasitic Insects
October 6, 2021
Dormant oils, also known as horticultural oils, will help to keep your trees and shrubs healthy and give you a head start on insect management in the spring.
Property Maintenance & Landscaping
Preparing Your Garden, Flower or Raised Beds for Winter
November 3, 2021
Follow these tips and instructions on how to prepare garden beds for winter to help keep your plants and flowers healthy through the dormant season.
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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