Herbicide Modes of Action Explained: HRAC/Group Numbers for Common Lawn Weeds

Understanding herbicide modes of action is the shortcut to smarter, safer, and longer-lasting lawn weed control. This glossary explains what HRAC/Group numbers mean, how each mode of action works on weeds, and where popular turf products like Syngenta Tenacity Herbicide (Mesotrione), Envu Barricade 4FL (Prodiamine), Corteva Dimension 2EW (Dithiopyr), BASF Drive XLR8 (Quinclorac), and PBI-Gordon … Read more