The Best Best Way To Prevent Weeds In Rock Garden Ideas. Using a nonselective glyphosate herbicide is the best way to kill a wider array of weeds. After planting, use a ground cover to help protect your plants and deter weeds.

There are a few different options available to you, but the tip that will make the biggest difference is to. Liquid herbicides are much better at spot treating weeds in between rocks and pavers. A thick layer of mulch will block access to sunlight, and make it very.