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
Reasons Why Your Evergreen is Dying from Bottom Up – And How to Save
September 16, 2021
If your evergreen or spruce tree is turning brown from the bottom up, does that mean it's dying? Or, can you still save a brown evergreen? Well...
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
Why Is Bark Falling Off My Tree (Oak, Pine, Ash, Maple)?
October 19, 2022
Why is your tree losing its bark? Should you be concerned? Click here to learn why bark is falling off your tree - including pine, oak and ash trees.
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.
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.
Plant Health Care
How To Help Restore Trees Burned By Wildfires
April 21, 2022
Following proper tree care after a wildfire can help restore your fire-damaged trees.
Plant Health Care
Does a Late Spring Frost or Snowfall Damage Trees?
March 14, 2022
Learn more about late spring frost damage including maple, redbud, lilac, magnolia and japanese maple tree frost damage and why japanese maples lose leaves after a late spring frost
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