Espoma Holly-Tone Organic Dry Plant Food, 18 lb. is specially designed for acid-loving plants such as hollies, azaleas, dogwood, evergreens, rhododendrons, laurels, and raspberries. This unique formula contains all 15 essential nutrients needed for vibrant and healthy plants. Its long-lasting natural organics break down slowly, providing continuous feeding while enhancing soil conditions by improving aeration and moisture retention. This plant food is safe to use as it won’t burn plants or leach out of the soil. organic by the USDA, it comes in a convenient ready-to-use 18 lb. pour bottle with a balanced 4-3-4 nutrient formulation.