Answer: You didn't say what type of grasses you have as a lawn, but Ortho? Weed-B-Gon? Chickweed, Clover and Oxalis Killer for Lawns kills tough lawn weeds. It won't harm Bentgrass, Buffalograss, Bluegrass, Fescue (any variety), Ryegrass (annual and perennial), or Zoysia. If you have other types of grasses in your lawn, you may want to use it with caution.
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