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Edward from Boca Raton, Fl writes

Can 4-Speed XT be used with Saint Augustine and with Floratam?

Answer:

4-Speed XT does not list that it is safe for use on any species of St Augustine grass on the product label so it would not be recommended.  

Answer last updated on: 08/16/2019

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4-Speed XT Selective Herbicide

4-Speed XT Selective Herbicide

4.5 out of 5 stars

$313.27

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