What is the Best Fertilizer for St. Augustine Grass?

If you want to use the most ideal fertilizer for your St. Augustine grass, it should be a high-quality, slow-release nitrogen. This species of grass needs 2-5 pounds of nitrogen annually.

Nitrogen content is the first number in the fertilizer coding you see on the bag (e.g., 10-5-5 uses 10% nitrogen as an active ingredient).