Gene from Montgomery writes
It is recommended that there is no rainfall for at least 24 hours after applying Negate 37WG. According to the product label, Postemergence weed control may be reduced if rainfall occurs soon after application. It is necessary for the spray material to dry on the foliage to be sufficiently absorbed (generally NEGATE 37WG is rainfast in 4 hours).
Answer last updated on: 02/24/2020