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Alder Tree

Q.Do you realize that Black Alder (Alnus glutinosa) is an exotic invasive plant in the Midwest?

Zone Indianapolis, IN | Anonymous added on March 31, 2020 | Answered

Alnus glutinosa (black alder) has recently been added to a list of 44 newly-banned invasives in Indiana. While the ban will not be legally in place until our governor signs it, I hope that you will change the information on your website which recommends planting black alder in the US.

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Certified GKH Gardening Expert
Answered on April 1, 2020

Thank you for your observation. I will forward your comment to the editor for review.

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