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Weeping Willow Trees

Q.Large weeping willows tree treatment of insect infestation

Zone Fruitport MI | Anonymous added on September 7, 2020 | Answered

Can our willow tree be treated from the ground (root based treatment) or does its canopy have to be sprayed? What insecticide is recommended?

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Certified GKH Gardening Expert
Answered on September 7, 2020

With a tree this size, you'll want to be sure to identify what the infestation actually is. You may want to take a sample to your local agricultural extension service. With that knowledge, you can talk with a garden center to learn about what specific kinds of sprays to use and how.

Here's an article to help you troubleshoot the problem: https://www.gardeningknowhow.com/ornamental/trees/willow/treat-peeling-willow-bark.htm You may also want to contact a certified arborist for advice.

Here's a link for your extension service:

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