Posted 9/9/2013 09:09 (#3317356 - in reply to #3317285) Subject: Re: How do you get rid of Canadian thistle without using herbicide
As stated above, just hay it off. They can not grow as fast as alfalfa, and will eventually die. Do Not under any circumstance allow them to flower or go to seed (I've seen 'rows' of thistle where they finished making seed in the windrow). They will be gone given a bit of time.