Lowest cost per application. Rainproof in 30 minutes. Visible results in 4 days. One shot kills weeds and grasses - roots and all. Use in and around fences, trees, driveways, flower beds, walkways, shrubs and for lawn renovation. Non-selective, systemic weed and grass control for treatment of undesirable vegetation. Does not have soil activity. Mix 3-5 tablespoons per gallon. Contains 50% glyphosate.