Spectracide Weed Stop for Lawns + Crabgrass Control is a post-emergent herbicide that kills over 470 types of common lawn weeds including chickweed, yellow nutsedge, crabgrass, foxtail and dandelion. With visible results seen in as little as five hours, this product can be used ...Spectracide Weed Stop for Lawns + Crabgrass Control is a post-emergent herbicide that kills over 470 types of common lawn weeds including chickweed, yellow nutsedge, crabgrass, foxtail and dandelion. With visible results seen in as little as five hours, this product can be used anytime during the spring or fall.
Spectracide Weed Stop for Lawns + Crabgrass Control can be applied on many warm season and cool season turfgrass varieties. Consult the bottom of page three on the product label for more turfgrass details. Apply when outside temperatures range between 45–90 degrees Fahrenheit.