BioAdvanced Season Long Weed Control for Lawns-Concentrate, 29 oz

The days of multiple applications to kill weeds are over. Bio Advanced Season Long Weed Control For Lawns is a post emergent and pre-emergent broadleaf weed killer that can be used anytime in the spring through the fall. One application of this proprietary 2-in-1 formula kills current weeds and prevents new weeds from growing for up to six months. This product won’t harm lawns when used as directed and is rainproof one hour application.