OMRI Grass and Weed Killer 32 oz Nonselective.

Kills Grasses, Weeds, Algae and Moss.

This is a fast-acting herbicidal soap that kills unwanted vegetation FAST. Use it on mulch and around planters, raised beds, driveways, patios, foundations, and fences. It can also be used to prepare planting beds prior to planting grass or flowers.