Spectracide Weed & Grass Killer with the AccuShot Continuous Power Sprayer is a non-selective weed and grass killer that kills weeds and grasses. Its formulated for spot treatment of weeds and grasses on patios， walkways and driveways; around flowers， shrubs and trees; and along fences and foundations. This formula is rainproof in 15 minutes - rainfall or watering after 15 minutes wont wash away effectiveness. Spectracide Weed & Grass Killer2 kills down to the root and delivers visible results in as fast as 3 hours. Plant new flowers， trees and shrubs in the treated area after just 1 day. For best results， apply this ready-to-use spray during warm， sunny weather when the temperature is over 60 degrees. Completely cover the leaves of the target vegetation. Protect desirable plants with a piece of plastic or cardboard - if desirable plants are accidentally sprayed， wash with water immediately. Do not mow， cut or otherwise disturb treated vegetation for at least 7 days following application. Do not use on or around edible feed or food crops. Includes the AccuShot continuous power sprayer with an extendable wand that makes it easy to target the weeds or grass you want to kill. Refill sold separately (Spectracide Weed & Grass Killer) so you can use your sprayer again and again.