The power is in your hands to keep your landscape in line — unleash it with Spectracide lawn and garden products. Our easy-to-use, insect, lawn disease and weed control solutions help you tame lawn and landscape invaders with incredible pest-punishing power. Take command with Spectracide brand. You hold the power. Use Spectracide Weed Stop For Lawns plus crabgrass killer3 AccuShot refill to kill over 470 types of weeds as listed, including crabgrass. The AccuShot sprayer is a continuous sprayer with an extendable wand for accuracy. The product kills by contact, producing visible results in 5 hours. This product kills down to the root and, when used as directed, kills listed weeds including crabgrass — not the lawn! This product kills broadleaf and grassy weeds, including dandelion, chickweed and clover as well as crabgrass and yellow nutsedge — see product label for complete list of weed types. Apply when daytime temperatures are between 45°F and 90°F. Do not apply to Bermuda grass when daytime temperatures exceed 90°F. For best results, mow lawn two to three days before treating.