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Charles from Vicksburg, Ms writes

Can I use SpeedZone Southern Herbicide on St Augustine?

Answer:

According to the SpeedZone Southern Herbicide product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St Augustine. Do not broadcast or spot spray St Augustine during the fall to winter transition or if temperatures are expected to fall below 40F within 10 days of the application.  

Answer last updated on: 06/03/2018

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SpeedZone Southern Herbicide

SpeedZone Southern Herbicide

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$88.80

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