Target Specialty Products 24-0-5 50% Slow Release Fertilizer with 5% Iron, 50 lb. combines iron and nitrogen to enhance your lawn’s appearance by promoting a rich, dark green color. This slow-release formula ensures that nutrients are gradually delivered to the soil over several weeks, supporting sustained lawn health. By fortifying plant cells, it helps protect against disease, making it an excellent choice for maintaining vibrant and resilient turf.