Green it Organic Lawn Care Fertilizer in a Box An easy, do-it-yourself way to feed your lawn organically, all three seasonal applications in one Box Convenient, pre-mixed bottles attach to hose and fertilizes 4,000 square feet (for complete spring through fall fertilizer) Spring and fall formulas are a sprayable liquid corn gluten-based fertilizer and the summer formula is a fish/seaweed fertilizer Kit also includes pH test kit, lawn care guide and bonus weeding tool