Spectracide weed and grass killer is a non-selective herbicide formulated to quickly kill grass and weeds including the root. Visible results in 3 hours. Effective, kills over 155 varieties of broadleaf and grassy weeds as listed. Area may be replanted in 7 days. Rainfast in 15 minutes. Protect desirable plants and vegetation with a piece of plastic or cardboard. Ideal for use on patios, walkways, and landscape beds. Works only when it contacts foliage and deactivated when it hits the soil, making it ideal for use around flowers, shrubs, and trees. Active ingredients: Diquat Bromide, Dicamba, and Fluazuifop. Glyphosate-free.