Kills all unwanted weeds and grasses. Great for preparing flower beds, vegetable and ornamental garden sites, renovating lawns and for multi-purpose weed control. Can reseed 7 days after treatment. Visible results in 7 days. Complete to the root control in 2 - 4 weeks. One quart makes 21 gals. of spray and treats 6,300 sq. ft. No odor. Environmentally friendly; breaks down into natural elements. Glyphosate 41.0 percent with surfactant.