How do I keep grass from growing over my decorative rocks ?

I have decorative rocks placed on one side of my deck and grass keeps growing there. Originally I placed a garden weed barrier there, but grass still comes up.

  5 answers
  • Sally Frazier Sally Frazier on May 02, 2018
    You could spray around and on top of the rocks with weed killer, You don't say what you mean by decorative so my guess is that they are painted? You could also pour table salt around(on the ground) the rocks and into the grass.
  • Debbie Debbie on May 02, 2018
    spray a weed killer prior to putting your barrier down.
  • Ebbjdl Ebbjdl on May 02, 2018
    Use vinegar or hot water, this should kill the grass.
  • Tae Tae on May 02, 2018
    I never considers spraying weed killer before playing the weed barrier down. Wish I would have know. That a few days ago, when I laid weed barrier down.
  • Janet Pizaro Janet Pizaro on May 02, 2018
    if there are no plants involved make a solution of white vinegar and water 50/50 a dab of dish soap and a dab of salt
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