Posted 9/9/2013 08:35 (#3317304 - in reply to #3317285) Subject: Re: How do you get rid of Canadian thistle without using herbicide
Walnut Grove MN USA
Good luck. That is one tough plant. I have heard mowing right before a rain helps, tillage may make it worse, chemicals do help but are not 100%. It is one you have to keep after no matter what control method you use. Maybe try choking it out by double seeding that area?