Home St. Augustine grass has been grown only from propagation means until recently and now there is a seeded variety. Propagation is through sod or plugs.
Seed is available in very limited quantities only occasionally.
Most Saint Augustine lawns are sodded or plugged. Augustine and was an improvement in texture and dark green color. Floratine was developed in Florida shortly thereafter for the same qualities but selected for its resistant qualities against SAD and chinch bug infestations. But was still similar to the pasture grasses in coarseness. Floratam is similar to the first two with the difference being it will not stand the colder weather and must be grown in the lower sections of Florida and in the full sun.