Syngenta Tenacity Turf Herbicide Revolutionary systemic, selective pre- and post-emergent herbicide Now registered for lawns, residential and commercial properties, golf courses, sod farms, athletic fields, parks, cemeteries and airports Selectively removes nimblewill and bentgrass and controls more than 46 broadleaf weeds and grass species including crabgrass, ground ivy, yellow foxtail and yellow nutsedge.