Maxsea® All Purpose Plant Food is designed for year-round use on all plants indoors and outdoors. A regular feeding program will promote vigorous, sturdy plants with distinct, dark, seaweed green foliage; quality blossoms; and abundant fruit and vegetables. Comprised of primary plant foods nitrogen, phosphorus and potassium. A full spectrum of important secondary elements and micronutrients provide sulfur, boron, copper, iron, manganese, molybdenum and zinc. The seaweed granules in Maxsea® contain over 60 recognized elements all found to be beneficial to plants.