Miracle-Gro Shake N Feed All Purpose Plant Food Is Specially Formulated To Help Grow Stronger, Vibrant And More Productive Plants. It Contains Vital Micronutrients, Plus Added Natural Ingredients, To Nourish Above And Below Soil. Formulated With Kelp, Earthworm Castings, Feather Meal And Bone Meal In An All-In-One Particle To Feed Microbes In The Soil. Microbes Break Down Natural Ingredient Into Nutrients That Support Root Strength And Development Which Increases Water Efficiency. For Use In Ground Or In Containers.