Syngenta Tenacity Turf Herbicide - 8 ounces Mesotrione 40.0% Tenacity Herbicide is for use on turfgrass species listed on the above label in commercial and residential sites such as golf courses, sod farms, athletic fields, parks, residential and commercial properties, cemeteries, airports, and lawns. Do not use on golf course putting greens maintain a 5 foot buffer from the greens. Mix 1/3 ounce of Tenacity herbicide in 1 gallon of water for spot treatments.