A post-emergent option for lespedeza control can be found in Q4 Plus Turf Herbicide (active ingredients 2,4-D, Dicamba, Quinclorac and Sulfentrazone). This product also comes as a concentrate that, when mixed, can be sprayed directly onto stubborn weeds for control down to the roots.

What will kill lespedeza?

The active ingredients of a three-way herbicide typically include the following broadleaf weed killers: 2,4-D, dicamba, and mecoprop (MCPP). The dicamba and mecoprop components are more effective for lespedeza control than 2,4-D.

What herbicide will kill sericea lespedeza?

There are several herbicide options that work well for sericea. Round Up (glyphosate), PastureGard (triclopyr and fluroxypyr), and Garlon (triclopyr) all work well to kill sericea.