If you have a healthy ash tree, treatment may be an option. | If you have an ash tree in poor health, removal may be the best way forward.
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Healthy ash trees still have more than 50% of their leaf canopy and show little-to-no signs of bark damage.
Soil-applied insecticides available to homeowners must be applied once a year. Trunk-injection insecticides available to certified arborists and professional pesticide applicators can be applied every two to three years, depending on the insecticide.
For a rough estimate of how treatment and removal costs stack up against one another, the Urban Tree Alliance has an easy-to-use EAB Management Cost Calculator.If your ash tree shows signs of an infestation and you want to treat it, contact a certified arborist to determine whether insecticide treatment is a viable option. |
Ash trees in poor health have lost more than 50% of their leaf canopy and show signs of bark damage (from woodpeckers, bark splits, or other external injuries).
To coordinate and discuss private tree removal, reach out to a certified arborist. They will help you determine whether treatment is an option and assist with the tree removal process if it is not. An ash tree already in poor health for reasons other than EAB should be removed. For any insecticide to be effective, an ash tree must be healthy enough to transport it throughout its entire trunk, throughout all of its limbs and branches, and into all of its leaves.
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