A common concern in southern Indiana lawns is common lespedeza, which is a summer annual spreading by wiry stems from a single taproot forming almost a mat in thin turf or next to sidewalk. The most common broadleaf herbicide is 2,4-D, but this is completely ineffective against lespedeza. A recent report from John Boyd at the University of Arkansas showed any herbicide that contained triclopyr or fluroxpyr to be most effective. Though this study was done on zoysia, these two herbicides will also be safe on cool-season grasses. The complete study can be found at http://turf.uark.edu/research/research%20series/568/Common%20Lespedeza%20Control%20in%20Cavalier%20Zoysiagrass.pdf