Davey Blog

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.

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Seasons
How To Protect Fruit Trees From Late Frost
How Cold Temperatures Impact Spring Growth: Preparing for a Healthy Bloom
Learn how cold winter temperatures affect spring growth for trees and shrubs. From nutrient intake disruption to frost cracks and winter burn, discover essential winter tree care tips to protect your landscape all season long.
Oakwiltdos
Trimming & Pruning
Avoid Pruning Oak Trees in Summer – Oak Wilt Causes
If you love oak trees as much as us, you’ve dreaded the deadly oak wilt disease. Read on to learn why, pruning oak trees in summer increases their risk of oak wilt.
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Plant Health Care
Spring Tree Care Starts ... NOW?
Now is the perfect time to start planning for the good health of your trees. We think it's a great idea to plan ahead for a happy, healthy growing season.
Car Driving Through Snowy Forest
Tree Safety, Storm Prep & Recovery
The 7 Best Steps To Prepare Your Trees For A Healthy, Happy New Year
Follow our winter checklist below to keep your trees and landscape healthy by identifying potential issues.
Monarch Butterfly on Flower
Insect & Disease Issues
Tree Pests vs Beneficial Insects
Beneficial insects can play a vital role in maintaining the health and balance of tree ecosystems by preying on or parasitizing harmful insects, pollinating flowers, decomposing organic matter, and contributing to nutrient cycling. Let’s explore the world of tree pests versus beneficial insects.
Zigzag Elm Sawfly
Invasive Pest Alert for Illinois: Elm Zigzag Sawfly
The elm zigzag sawfly, an invasive species, is targeting elm trees in the Chicago region. Most trees recover from this pest, but weakened and stressed trees are at risk.
Moss Algae Lichen Green On Tree Branch Davey Tree
Plant Health Care
What Are These Green Spots on My Tree’s Trunk or Branches?
Do you have green fungus on tree branches or green spots on your tree bark? Learn more about tree bark fungus identification and treatment. Often, you’ll see moss, lichen, or algae. None of which hurt the tree, but learn how you can get rid of lichen (if you do it right).
Davey Tree Deer Eating Arborvitae
Property Maintenance & Landscaping
Stop Deer From Eating Arborvitae Trees (Even Emerald Green)
Learn the best three ways to keep deer from eating arborvitae trees, including emerald green! Try deer repellent, netting or deer-resistant arborvitaes.
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