Is Hi-Yield Indoor/Outdoor 10% Permethrin Insecticide effective on grasshoppers?
Yes, Hi-Yield Indoor/Outdoor 10% Permethrin Insecticide is labeled for grasshoppers and will do great job controlling them when used as directed on the product label. According to the product label you should mix 1/2 fl oz of product in 3 gallons of water to treat a 1,000 sq. ft area for grasshoppers.
Answer last updated on: 05/10/2011