-Gro Water Soluble All Purpose Plant Food, 8 oz. instantly feeds flowers, all vegetables, trees, shrubs, and houseplants with a powerful dual feeding action that nourishes through both roots and leaves. for use on all plants indoors and outdoors, this water-soluble formula contains essential micro-nutrients that promote quick and beautiful growth results. Its waterproof packaging makes it i for outdoor merchandising, and it can be conveniently used with the -Gro Garden Feeder or watering cans. This plant food is not to burn when used as directed and should be applied every two weeks to keep your plants thriving. Model Number: 8 oz.