Jeff from Forsyth, Ga writes
SedgeHammer Herbicide is a post emergent herbcide for actively growing nutsedge only. This will not work as a pre-emergent to prevent nutsedge from germinating. Unfortunately, there is not a pre-emergent labeled for nutsedge. Please be sure to read our Nutsedge Weed Guide for more information.
Answer last updated on: 10/30/2022