This classic offering is a 4-month, 15-9-12 formula that has become the industry standard for slow-release plant food. Often imitated but never equaled, Outdoor & Indoor feeds throughout the plant's active growing season without risk of chemical burn. Each granule is coated with a unique resin that controls nutritional release so that plants get what they need, when they need it. All-in-one granules contain all three major nutrients (NPK) that are vital to plant nutrition.
Sprinkle 3 tablespoons for every 2 x 2 ft area. Work into top 1-3 inches of soil or mulch.