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
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.
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.
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.
Plant Health Care
Are You Overwatering Your Mature Tree? Smart Watering Tips for Established Trees
May 15, 2026
Overwatering is one of the biggest risks to mature trees. Learn how to spot the signs, adjust watering frequency, and protect your tree's long-term health.
Davey Knowledge
Climate Change Projections: The Impact & Why You Should Care
November 4, 2021
Let’s look at how climate change impacts planting so you can better understand how it may affect your landscape.
Tree Identification
How To Identify Dutch Elm Disease: Signs & Symptoms
April 13, 2023
Here are common signs and symptoms of Dutch Elm Disease and how to properly dispose of a tree with Dutch elm disease.
Insect & Disease Issues
Viburnum Leaf Beetle: Tree Pest Alert
June 27, 2024
Here’s what Viburnum Leaf Beetle tree damage looks like with a list of susceptible tree species and resistant tree species.
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