Ortho Weed B Gon concentrate is our top lawn weed killer for its affordability and effectiveness. It contains triclopyr, an active ingredient that works wonders on eradicating broadleaf weeds like ...

Garden advice: Oxalis weed is a scourge of lawns, and repeated treatments are needed to kill it. ... Bonide Grass Beater Over-The-Top Grass Killer or Ortho Grass B Gon Garden Grass Killer.