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.
Plant Health Care
Why You Should Fertilize Flowering Trees?
August 12, 2021
Fertilizing flowering trees can enhance your landscape aesthetics. By using a slow-release fertilizer it encourages blooms while increasing healthy growth. Fertilization strengthens trees by promoting a healthy root system, learn more.
Davey Knowledge
Climate Change On Trees
June 16, 2022
How are forests affected by climate change? Learn more about the effects of climate change on tree species so you can better care for your trees.
Tree Selection Guide
Best Oak Trees To Plant for Color
September 2, 2021
Here are some common oak tree varieties that can give you an amazing tree for shade, great texture and interest, and amazing fall color.
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.
Tree Selection Guide
Do Bees Like Trees? Trees for Bees Guide
June 21, 2021
Include bees for trees when creating a pollinator garden! The best trees for bees are…
Davey Knowledge
When Do Tree Leaves Come Back In Spring?
March 21, 2022
In spring, when exactly do trees leaf out and bloom? Click here for the leaf out dates in your region - and learn why your tree is not growing leaves in spring.
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.
Soil Care & Mulching
The Proper Way to Mulch Your Trees
March 30, 2021
Take a tip from trees in the natural setting when you tackle mulching. Proper tree mulching helps trees retain water, combat weeds and regulate soil temperature.
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