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Thristle (the spikey weed): annual or perennial

Posted by davemichigan z 5/6 (SE Michigan) (My Page) on
Mon, Oct 12, 09 at 12:08

Are thristles annual or perennial? I am wondering if there is some benefit of pulling them out now, or should I just let the winter kill them (if they are annual).


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RE: Thristle (the spikey weed): annual or perennial

Depends on what kind of thistle. Maybe Bull or Canadian? Some are perennial, some are biennial. Canadian thistle is a perennial, while the bull thistle is biennial. If you look at the link below it might help you identify what you have.

Here is a link that might be useful: MSU weed indentification

RE: Thristle (the spikey weed): annual or perennial

Most of them are quite edible. The spiny leaves cook quickly and lose their barbs. They're delicious! That's how I got rid of my thistles. :-)


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