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.
Insect & Disease Issues
How to Get Rid of & Treat Aphid Infestations in Large, Tall Trees
August 23, 2022
See little critters on your maple tree leaves? Or maybe their honeydew left sticky leaves on your outdoor plants? Sounds like aphids! Get rid of them by...
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.
Leaf & Needle Problems
3 Reasons Evergreens Turn Brown in Winter and How to Fix
December 15, 2021
Why are your evergreen trees turning brown in winter? See why this is happening and how to fix it. Hint: a protective spray for evergreens may be the solution.
Tree Selection Guide
Best Low Pollen Trees
March 11, 2021
There are common plants and trees that trigger allergies. Here’s a list of the best and worst trees for allergies.
Davey Knowledge
Mistletoe in Trees
February 8, 2024
Mistletoe grows as a parasite on woody plants. Let’s dive deeper into what mistletoe looks like, where it grows, how mistletoe spreads, and tips for controlling mistletoe in trees.
Plant Health Care
What to Do About Palm Freeze Damage (and How to Protect Palms)
February 14, 2019
In some areas, palm trees do not get to soak up the sun all year round. Harsh winter weather can be tough on these tropical trees. Read on to learn how to help them bounce back.
Lawn Care & Maintenance
What’s Destroying My Lawn: Fall Armyworm Damage & Control
September 10, 2021
What’s damaging my lawn? It could be armyworms! Early feeding damage looks like drought-stressed grass but can quickly progress to complete browning if there are a lot of fall armyworms present., learn more.
Insect & Disease Issues
Protect Your Ash Trees: Spot the Early Signs of EAB
September 30, 2021
EAB can potentially wreak havoc on your ash tree, but spotting these four early warning signs could save the tree's life.
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