Mark from Memphis, Tn writes
Prime Source Meso 4SC Select (Generic Tenacity Herbicide) can last in the soil up to 30 days if used as a broadcast pre-emergent treatment. The label does state, "If making pre-emergence application to established turf, tank mix Meso 4 SC Select with other pre-emergence herbicides such as Barricade
Answer last updated on: 05/28/2023
