Originally Posted by shadetreelawns
Ornamec is a selective herbicide that only kills Bermuda grass.
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Ornamec is a herbicide that kills most all grasses including St Augustine. The big problem is weed control on St Augustine is. St Augustine is susceptible to most herbicides.
Herbicide can be great but there comes a point when Herbicides can't do the job. Oh sure they can kill off all the weeds, But will you have grass where the weeds were??? One of the reasons I like slow acting Herbicides is because they allow for a Grow in at the same time. But you have to have a high percentage of desirable turf to start with.