Crabgrass and weed killer that kills over 470 types of weeds, including crabgrass. Also controls broadleaf, grass weeds, dandelion, chickweed, and clover. See results in 5 hours. Won't harm lawns when used as directed. This product is restricted in California, Hawaii, Louisiana, and New York. Active ingredient: 2, 4-D, Dimethylamine Salt. Glyphosate-free.