Use Hi-Yield Turf & Ornamental Weed & Grass stopper to eliminate weeds in sensitive landscape, such as warm season established lawns and ornamental landscapes. Controls crabgrass and other broadleaf weeds for up to 4 months after application. Works best when applied before most weeds emerge, but it will help control crabgrass for up to 4 weeks after germination.

When should it be used? Apply early in the growing season before weeds emerge.
Where should it be used? For use on warm and cool season grasses such as creeping bentgrass, Kentucky bluegrass, fine fescue, tall fescue, ryegrass, perennial grasses, bahia grass, Bermuda grass, buffalo grass, carpet grass, centipede grass, St. Augustine grass, Zoysia grass, and a wide variety of ornamentals.
What weeds are prevented? Crabgrass and other broadleaf weeds.
What is the coverage area? For turf, apply 2.4 - 3.2 lbs. per 1,000 sq. ft. Apply up to 9.2 lbs. per 1,000 sq. ft. for post-emergent crabgrass control. For landscape ornamentals, apply 9.2 lbs. per 1,000 sq. ft.
How is it applied? Apply using a lawn spreader.
What is the active ingredient? dithiopyr: 3,5- pyridinedicarbothioic acid,2-(difluoromethyl)-4- (2-methylpropyl)-6-(trifluoromethyl)-S,S-dimethyl ester.
Is it safe for pets? No.