Whether your customers are looking to increase the number and size of their orchid blooms or simply encourage vigorous growth in every stage of plant development, you'll have just what they need with Orchid Growth Formula (30-10-10). Orchid Growth Formula is suitable for use with slab-mounted epiphytic orchids, orchids with exposed root systems and terrestrial orchids in soil potting mixture or inorganic growing media. Orchid Growth Formula also contains essential micronutrients including copper, iron, manganese, molybdenum and zinc.