Thristle (the spikey weed): annual or perennial

davemichigan(zone 6a (SE Michigan))October 12, 2009

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).

TIA!

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kentstar(5b, NE Ohio)

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

    Bookmark   October 12, 2009 at 3:03PM
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rain2fall(8/Oregon)

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. :-)

Rain2Fall

    Bookmark   October 13, 2009 at 9:30AM
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