Features. For lawns, kills weeds, not the lawn, kills listed grassy weeds including crabgrass. Barnyardgrass, dallisgrass, foxtail, goosegrass & nimblewill. For use on northern grasses including kentucky bluegrass. Perennial ryegrass, fine fescue & tall fescue. Do not irrigate or apply if rain is expected within 24 hours of applying. Turns crabgrass & other listed grassy weeds white 4-7 days after application. Temporary whitening of the weed until it dies. Can be applied before seeding. Including day of seeding. Do not apply 28 days after seeding. Including day of seedingSpecifications. Country of Origin: United States. Weight: 45.73 lbs