Use Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate (Ready-to-Spray) to kill over 470 types of weeds as listed, including crabgrass. The product produces visible results in 5 hours. This product kills broadleaf and troublesome grass weeds including dandelion, chickweed and clover as well as crabgrass, foxtail and yellow nutsedge, see product label for complete list of weed types. Apply when daytime temperatures are between 45 degrees Fahrenheit and 90 degrees Fahrenheit. Do not apply to Bermudagrass when daytime temperatures exceed 85 degrees Fahrenheit.

• Kills crabgrass apply the first time you see crabgrass in your lawn

• Rainfall or watering 3 hours after application will not wash away effectiveness

• Quickflip hose-end sprayer Attaches easily to your garden hose and activates at the flip of a switch