Weed-Out with Crabgrass Killer from ferti-lome controls over 200 grassy and broadleaf weeds in your lawn! Weed-Out controls crabgrass, barnyardgrass, foxtail, black-eyed susan, buttercup, catnip, chickweed, dandelion, dollar weed, ground ivy, jimsonweed, spurge, morning glory, poison ivy, poison oak, ragweed, sunflower, thistle, and many other broadleaf weeds. For use in warm (zoysia, bermuda, and buffalograss) and cool (tall/turf fescue, Kentucky bluegrass, and ryegrass) season lawns. For spot treatments mix 2.5 fl. oz. (5 tbsp.) in 1 gallon of water to treat 400 sq.ft. Active ingredients: 2,4-D, dimethylamine salt, Quinclorac, Dicamba, dimethylamine salt. Please read and follow all package instructions. 16 oz. concentrate covers up to 2,500 sq. ft.