Learn lawn, gardening and landscaping best practices with slow-nitrogen fertilizer, Milorganite. Milorganite can be used safely on lawns, flowers, vegetables, shrubs and trees. Trusted for over nine decades for its consistent and long-lasting results. With Milorganite, you dont have to worry about streaks, stripes or accidentally burning your lawn! It contains virtually no salts, so it wont burn plants, even in the hottest temperatures or driest conditions. Milorganites slow-release formula provides nitrogen and other nutrients for up to 10 weeks after application. This provides even growth and better root development over a longer period of time, instead of a sudden growth spurt and excessive grass clippings. Healthy soil is the key to healthier grass and plants. Milorganite is composed of 85% organic matter, which nourishes the plant and feeds the soil microbes.