Chuck from Colorado Spriungs, Co writes
You could use any Glyphosate product to kill any and all weeds and grasses that might come up through the rocks. You can spray it as often as needed to get the control you need. Gly Pho-Sel Pro http://www.domyownpestcontrol.com/gly-phosel-pro-41-with-surfactant-p-1844.html
Answer last updated on: 09/11/2013
