100% natural organic fertilizer, OMRI listed, contains no synthetic ingredients. Offers the most natural source of essential nutrients to promote vigorous plant growth, bountiful yields and brilliant flowering. Used as directed, will not impact or harm ground water or other sensitive ecosystems. In fact, regular use will not only build up and enrich soil but also benefit the plant and soil biosphere. Gradual and steady release. Exceptional quality, consistency and ease of use. Great for lawns, garden vegetables, flower and shrubs. Available as pellets suitable for a spin spreader.