Green Light Amaze Grass and Weed Preventer， 10 Pound<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Don't pull weeds - prevent them</li><li>One application prevents weeds up to 4 months</li><li>Forms a protective barrier in the soil surface， which prevents weeds from emerging</li><li>Controls weeds， including Henbit， Prostate Knotweed， Shepherdpurse， Yellow Woodsorrel， Crabgrass， Foxtail， Common Chickweed and Common Purslane</li><li>Use on listed established flowers， roses， trees and shrubs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51DTm04xJnL.jpg" noproxy>