Quackgrass is a native of the Mediterranean. It infects rangelands, pastures, and lawns. It adapts well to most soils.
Quackgrass is a perennial grass which grows 1 to 3 feet tall. It reproduces by seed and rhizomes, the rhizomes can penetrate hard soil. leaf blades are up to 1 inch wide. Seed heads are 3 to 4 inches long and narrow.
Bio-control is not available. Herbicides offer fair control for small infestations when applied from early spring to winter.