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.
Plant Health Care
What Time of Year Do Pine Trees Drip Sap (and Can I Stop It?)
February 21, 2022
What time of year do pine trees drip sap, and how much pine sap is excessive? If it's golden brown, no need to stop tree sap from running or sapping. That's normal in spring. But if you see your pine tree oozing white sap (or a white substance on pine trees), there's a problem. Click here for more.
Trimming & Pruning
The Best Way To Prune Palm Trees (Step-By-Step)
August 9, 2021
Learn how to promote healthy palm trees. Scroll on to read our 3 step pruning guide.
Property Maintenance & Landscaping
4 Things to Check Off Your Landscaping Spring Cleaning List
March 22, 2021
Insect & Disease Issues
How To Dispose Of Dead Ash Trees (Even If They Have EAB)
May 23, 2022
After you cut down a dead ash tree, what should you do with the ash borer wood? Can you use dead ash trees for firewood? Learn how to dispose of dead ash trees.
Property Maintenance & Landscaping
Prevent Ice Damage On Trees
December 13, 2021
How can you help prevent ice damage to trees? Learn more here
Plant Health Care
When to Start Watering Trees in Spring
March 5, 2020
Depending on where you live, you should start watering your trees anywhere from mid-March to early May. How much should you water new trees? When is the best time to water trees? Get your tree watering tips here.
Leaf & Needle Problems
What Happens If Trees Bud Too Early?
February 28, 2022
Because of the warm winter, your trees may be budding already. Is it bad if trees start budding in winter? Learn if they'll bloom again and how to protect them.
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