How do I rid my yard and garden of thistles?


My neighbors had a forest of Scotch.Thistlles j2 years ago.

My neighbors allowed them to escape and now i have them too. Any ideas?

  4 answers
  • Sharon Sharon on Aug 10, 2018

    Apply a broadleaf herbicide like Weed b Gon, I put it in a large garden sprayer and just apply to the weed I want gone.

  • Mindshift Mindshift on Aug 10, 2018

    The best prevention is paying attention to what is growing on your land. Scotch thistle is a biennial, and the first year the plant is a low rosette up to 12" high and wide that can be pulled up or cut off at ground level. Mowing does not cut them short enough to kill them. The second year the plants grow much taller and wider. Do not let them flower as the seed can remain viable for up to 7 years. Here is a link to a PDF that you can save to your computer.

  • Margie Miller Margie Miller on Aug 11, 2018

    Roundup. If you can't get all the roots, then the plant will continue to return.

  • Pms7248613 Pms7248613 on Aug 11, 2018

    How do you get rid of sumac without catching it

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