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thistles #867857

Asked May 10, 2024, 10:19 AM EDT

How can I get rid of thistles in my yard? The thistles are in a small wet land behind my house and are now starting to grow in my backyard. What/how can I get rid of them or prevent their growth

Hennepin County Minnesota

Expert Response

Presumably you are referring to Canada thistle.  Look here for identification:
https://www.minnesotawildflowers.info/search?kw=thistle

Canada thistle is very difficult to eradicate.  Please read this reference for details on controls:
https://extension.umn.edu/identify-invasive-species/canada-thistle

It is important that you destroy these plants on site and not move them to another location. 
Dennis in St. Louis Park Replied May 11, 2024, 5:33 PM EDT

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