BioAdvanced 3 In 1 Weed & Feed product kills and prevents Crabgrass, plus other listed broadleaf and grassy weeds for 6 months, including Dollar weed, Dandelion, Clover, Chickweed and Poa Annua. Apply this product when weeds are small and actively growing and temperatures are between 50-90ºF. In spring, mow your lawn 2 times before applying. In the fall, apply no closer than 6 weeks before the first historical frost date for your area. Do Not apply to Centipede grass after October 1. Only use this product on established lawns of these four Southern turf types; Bermudagrass, St. Augustine grass (including Floratam), Centipede grass and Zoysiagrass. Do Not use it on other types of turf. Be sure to check the label for application rates.