On Mon, 11 Jul 2016, Brooklyn1 wrote:
I try not to harm thistle, the original velcro, I think it's a
beautiful plant with gorgeous flowers... also its roots grow very deep
and aerate the soil.
Are you sure what you have is Canada thistle? Like this?
https://www.btny.purdue.edu/Pubs/WS/...daThistle.html
Don.
www.donwiss.com (e-mail link at home page bottom).