Injected into the trunk of the tree every two or three years for the life of the tree, insecticide treatments effectively protect ash trees from mortality due to emerald ash borer (EAB) infestation. Professional arborists and certified pesticide applicators can answer questions regarding treatment timing, efficacy, and cost. Explore the resources below for information regarding protection using insecticide, service provider contact lists, frequently asked questions, and more.
Insecticide Resources
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Options for Protecting Ash Trees
Insecticide treatments can help protect healthy, high-value ash trees planted along streets or in yards or parks.
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Frequently Asked Questions
Frequently Asked Questions: Insecticide Applications to Protect Ash Trees from Emerald Ash Borer.
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Contact List
Ash Tree Protection Services Contact List, updated September 2021.
