Jeff from Tampa Fl writes
Yes, Prodiamine 65 WDG (Generic Barricade) is safe to use on all types of St Augustine including Floratam varieties. This is a pre-emergent only so does not harm/affect anything activity growing when used as directed on the product label. Use an initial rate of 0.75-1.5 lbs. / acre (0.28-0.55 oz./1000 sq. ft.) per application
Answer last updated on: 09/30/2021