Tom from Traverse City, Mi writes
Looking to spread in sandy soil over a large area to control rose chaffer hatch in June in Michigan.
Merit 0.5 G Insecticide Granules is not labeled for rose chafers but it is labeled for a variety of other chafers. I have linked an article from the University of Minnesota, that states that the active ingredient (imidacloprid) is known to control the rose chafers though.
https://extension.umn.edu/yard-and-garden-insects/rose-chafers
Answer last updated on: 03/19/2023