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Mark writes

Can I use quinclorac to kill crab grass in a St. Augustine lawn?

Answer:

No, quinclorac products are not labeled for use on St Augustine.  This is a very sensitive turf type and quinclorac may harm it.  Instead you can use a product like Image Kills Nutsedge or Atrazine for small lawns, or Blindside for larger areas.

Answer last updated on: 08/18/2019

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