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.
What You Need to Know about Watering Trees in Winter (Even in Colorado!)
January 16, 2018
Learn about if watering newly planted trees in the winter is needed, including if you should water trees in winter in Colorado.
Trimming & Pruning
What is Pruning? The Importance, Benefits and Methods of Pruning
September 13, 2022
Ever heard the term "pruning" and wondered what exactly that meant? It mostly means trimming your trees. Learn more about it, how it's done and how it helps trees.
Plant Health Care
How to Spot and Help Prevent Branch Breakage on Trees
December 10, 2021
Branch breakage is just one sign your trees may be suffering from the winter season. So, how can you help? First, know what causes branch breakage and how to prevent it with these tips:
Leaf & Needle Problems
What "Pine" Trees Lose Their Needles in Winter?
January 30, 2018
What pine trees lose their needles in winter, and when do pine needles stop falling? Over your pine shedding needles? Pick pine/evergreen trees that don't drop needles!
Property Maintenance & Landscaping
How Long Do White Fluffy Seeds Last on Cottonwood Trees?
May 9, 2022
Those white fluffy seeds in the air in spring are cottonwood seeds! But how long does cottonwood season last? Cottonwood trees shed cotton for several weeks from late spring to early summer. But can you stop them from producing cotton? Here's how to reduce or stop it entirely.
Property Maintenance & Landscaping
What Do I Do with My Garden and Lawn in the Fall?
October 20, 2021
Prepare your vegetable and flower garden beds for next season by winterizing now. Put your garden to bed in late October or early November with these 6 steps.
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