Organic plant food ideal for azalea, camellia, and rhododendron. Provides lush flowers on plants that thrive in low pH soil. 5% sulfur to help lower soil pH and improve availability of micronutrients, in an exclusive blend of proven farm-grade ingredients for plants and soil, including seabird guano, shrimp and crab shell meal. For shrubs and trees. Apply twice per year in spring and fall. Covers up to 87 square feet. OMRI listed for organic use.