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Help identifying invasive plant #867549

Asked May 08, 2024, 11:23 AM EDT

Hi, These plants volunteer in my yard, grow 3-5 feet in a month or so and have a walnut smell when cut down. See photo. Google points to an Ash tree but I feel sure it grows too fast to be a tree seedling. Thanks in advance.

Clermont County Ohio

Expert Response

I think you are correct in thinking this is a walnut. You must have excellent growing conditions.  Are there other walnut trees nearby whose nuts the squirrels may be planting in your yard?
You are also correct that ash trees are one of our most common tree in the seedbed.  How to identify ash trees: https://woodlandstewards.osu.edu/sites/woodlands/files/imce/Ash%20ID.pdf
Walnut is one of the more rapid growing hardwoods. On good sites young trees may grow 3 to 4 feet in height per year, and in 20 years may attain heights of 40 to 50 feet with diameters of 6 to 10 inches.
Excerpted from:
https://web.extension.illinois.edu/askextension/thisQuestion.cfm?ThreadID=27017&catID=196&AskSiteID=87
Jane Ellison Replied May 20, 2024, 11:42 AM EDT

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