Espoma All Season Lawn Food is a premium formula designed for safe, easy lawn feeding for the home gardener as well as the professional horticulturist. It provides slow release nitrogen for extended feeding and is granular, non-burning, and easy to apply. Espoma All Season Lawn Food now contains non-staining iron and is now enhanced with Biotone microbes. Organic based lawn food for all seasons. Safe for kids, pets & the environment. Wont burn lawns or leach out of the soil.