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Old 06-23-2012, 11:21 PM
carriedrewdog carriedrewdog is offline
LawnSite Member
Join Date: Sep 2007
Location: Jacksonville, Fl
Posts: 68
Prolly' shouldn't be posting on this 'cause I can't spell, but-
broadleaf weed killers for St Augustine grass are atrazine and penoxsulam (trade name LockUp). I don't think Weed-Be-Gone is for St Augustine. Check the upper temp limit for these chemical applications. Sedges will need a different control chemical.

Really may be cheaper to RoundUp and start over.
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