|i put down a weed and feed about 2 weeks ago but the weed are still growing so is to late to put a herbicide down its ST.AUGUSTINE grass.
|Answer from NGA
March 3, 2011
|Since you've already applied a weed and feed product I'd use spot treatment for the resistant weeds rather than overloading the lawn with a second herbicide application. Try using Ortho Weed B Gon Max for Southern Lawns Concentrate as a spot spray and you should see those weeds shrivel up and die. Be sure to apply according to label directions.
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