Answer: You can control weeds with Bayer Advanced Southern Weed Killer For lawns or
Spectracide Weed Stop Weed Killer For Lawns. Many other formulations and trade names are available and should be safe as long as you remember 'Floratam' is intolerant of atrazine herbicides when temperatures are above 85?F. Be sure to read the labels before applying and apply exactly according to label directions so you won't harm your St. Augustine.
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