Anna from Tampa, Fl writes
....Scotts® Turf Builder® Southern Triple Action about a month ago? I'm still battling crabgrass and horsetail in my Tampa yard.
It is labeled for crabgrass but not for horsetail. We recommend that you consult with your local cooperative extension office Master Gardener for a recommendation for a St. Augustine turf in your area.
Answer last updated on: 05/06/2018