Fahrenheit™ is a 38% water soluble granule herbicide for the control of broadleaf and grassy weeds in labeled warm-season turfgrasses. Can be applied in spring, summer and fall with temperatures above 50 degrees. Fahrenheit's easy to use formulation produces visible activity in 7-10 days. Controls annual and perennial broadleaf weeds and certain grassy weeds in turf Very low use rates delivers highly effective results on warm season turf.