TZone SE Broadleaf Herbicide for Tough Weeds 1 GallonTZone SE Broadleaf Herbicide for Tough Weeds is the fastest triclopyr combo available. Able to kill the toughest of broadleaf weeds on turf TZone SE provides the suppression you need to get the job done. TZone SE Controls: Wild violet Ground ivy Black medic Oxalis Clover Spurge Yellow nutsedge (suppression) More than 60 other listed weeds Labeled for use in: Fescue tall, red and fine leaf Bluegrass Kentucky and annual Ryegrass annual and perennial