E.B. Stone Azalea, Camellia, Gardenia Planting Mix is a versatile mix that can be used as both a soil amendment or as a ready to use potting soil. Our Planting Mix is a special blend of organic ingredients designed to meet the unique growing needs of most acid-loving plants. Additional plants we recommend it for include most varieties of evergreens, ferns, rhododendrons and begonias. Contains: Aged Fir Bark, Aged Redwood, Sphagnum Peat Moss, Volcanic Pumice, Feather Meal, Gypsum, Bat Guano, Kelp Meal.