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.
Davey Knowledge
Benefits Of Hiring A Professional Certified Arborist
March 3, 2022
Hiring a professional certified arborist to maintain your trees comes with many benefits, including longer tree life, continued curb appeal, and increased value.
Plant Health Care
Fall in Love with Healthy Trees This Season
August 26, 2021
Follow These Guidelines From Our Fall Checklist To Help Keep Your Trees Healthy
Property Maintenance & Landscaping
Worst Mistakes Prepping Trees For Winter
November 14, 2019
Avoid these common mistakes when prepping your trees and plants for winter: incorrectly wrapping trees and shrubs, skipping tree pruning, not applying insect prevention oils, overwintering insects and not storing container plants properly.
Soil Care & Mulching
How Does Soil Salinity Affect Plants?
July 2, 2020
Soil salinity is the measure of salt in soil. Salinization is the process of soluble salts building up in soil over time. Learn how to manage and reduce soil salinity with leaching and deep watering.
Plant Health Care
Do Arborvitae Branches Grow Back After Deer Or Storm Damage?
August 24, 2022
If your arborvitae are damaged, can you repair them? Arborvitae branches can grow back, if conditions are right. Click to learn how fast arborvitae grow.
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.
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.
Plant Health Care
How Much Water Does My Tree Need Weekly?
July 21, 2021
Watering the right amount is essential to keeping your trees strong and healthy. Read below to find out how to maintain the balance for all your trees!
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