Essentially, two types of weed-and-feed herbicides are most often available to home consumers. Read the label completely for materials present and usage restrictions.
1) Weed and feeds with atrazine impregnated on a fertilizer granule are safe for St. Augustine grass, centipede grass and zoysia but not Bermuda grass. Example: Scott's Bonus S
2) Weed and feeds with 2,4-D, dicamba & mecoprop (or with Trimec) are safe for Bermuda grass and zoysia. Some manufacturers will have centipede grass on the label but almost never St. Augustine grass because of the potential for injury. Example: Ferti-lome's Weed and Feed with Trimec
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