Quinclorac is a dependable post-emergent control of both broadleaf and grassy weeds in a wide variety of turf species from residential and commercial to golf courses, sports fields and sod farms. Long-lasting control of weeds and grasses from one month up to ninety days. Quinclorac offers excellent control of crabgrass in its mature stages, while eliminating a broad spectrum of broadleaf and grassy weeds without harming the turf.