Chris from Hanover, Pa writes
Negate 37WG cannot be used on fescue. Since Poa Trivialis and Fescue are both cool season grasses, there is not a selective herbicide that would kill the poa trivialis without also killing the fescue. We suggest spot treating with a non-selective like Roundup and then reseeding after 2 weeks.
Answer last updated on: 04/25/2019