The ideal time to lay St. Augustine sod in San Antonio is in late March. This gives the sod a chance to root and become established prior to summer's warmer weather.
There is a conservation ordinance in San Antonio that requires homeowners to install sod from a list of approved varieties. Floratam is the only St. Augustine variety on the list.
Don't fertilize your new St. Augustine lawn for the first month after application. When you do fertilize, choose a day in San Antonio when the temperature is below 85 degrees Fahrenheit.