Milorganite Organic Nitrogen Fertilizer

All-Purpose Long-Lasting Fertilizer is ideal prior to planting and throughout the season, on trees, shrubs and flowers. It works by increasing organic matter in the soil, which feeds the existing microbes and releases essential nutrients that are taken up by the root for a healthy, green lawn or garden. It covers an area up to 300 square feet and lasts up to 10 weeks. Milorganite 5 pound fertilizer contains 4.5 percent iron. It is slow-release and non-burning and meets EPA standards.