If you are looking for pre-emergents try Fertilome All Seasons 16-0-8. Apply in early spring or fall 2 to 3 weeks prior to seed germination to obtain control of grassy and broadleaf weeds.
For use on warm and cool season grasses.
Controls Henbit, Oxalis, Poa Annua, Chickweed, Crabgrass, Foxtail, Purslane, Shepherd’s Purse, Prostrate Spurge, Knotweed and others listed on label.
Coverage: 5,000 sq. ft.
For best results, application should be followed by 1/2 inch of rainfall or irrigation.