Knowledgebase

Ash boor #865012

Asked April 18, 2024, 3:24 PM EDT

we have many ash and think we have ash boor problems

Steele County Minnesota

Expert Response

Unfortunately it is probably the case. An arborist can determine if the ash borer larvae are present. They can also let you know what treatments are available and will keep the trees alive for about 15 years. They are expensive and eventually the trees will die.
https://www.dnr.state.mn.us/invasives/terrestrialanimals/eab/index.html
https://dnr.wisconsin.gov/topic/foresthealth/emeraldashborer/signs
https://nfs.unl.edu/Misconceptions%20EAB%20Trts%20full%20sheet%20Greenwood.pdf

Evelyn Locke, MN Master Gardener, Tree Care Advisor, Volunteer Replied April 18, 2024, 6:52 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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