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...

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.

Insect & Disease Issues
How to Get Rid of White Fuzzy Fungus on Plants (Powdery Mildew)
July 19, 2022
Notice fuzzy white stuff on your plants or plant stems? It's likely powdery mildew! It generally doesn't harm your tree, but it sure doesn't look good! Get rid of it by...

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.

Soil Care & Mulching
How to Tell if Soil is Compacted Around Trees and What to Do
October 13, 2021
Is your tree slow growing? You may have compacted soil. Test to confirm, then discover soil compaction remedies. Also see if you can plant trees in compacted soil.

Tree Planting & Transplanting
How Much Space Should I Leave Between Newly Planted Trees and Shrubs?
August 1, 2019
What to look out for before planting a new tree, and how much space plants need to spread out.

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.

Insect & Disease Issues
Ganoderma Root Rot Treatment
May 20, 2021
“Ganoderma root rot” is a fungus that causes a wood-decaying infection that occurs through tree wounds, and attacks a variety of deciduous trees, such as maples, oaks, and honey locusts, as well as ashes, elms, and some conifers as well as palms. Here are symptoms and signs.
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