- Fertilize St. Augustine Grass.
- Treat lawn with fungicides (if you don't have any fungus problems, skip this step).
- Treat lawn with insecticides (again, skip this step if you do not have any insects)
- Mowing and watering: With cooler temperatures on the way, it is recommended to set your lawn mower an extra notch up. This will encourage deeper root growth for winter. You will not need to water your lawn as much in cooler temperatures. Too much watering will lead to fungus problems in the Spring.
Follow these steps and your lawn will be ready to go come Spring.