Hi Yield Azalea, Camellia, Gardenia, Evergreen Fertilizer 4-8-8 is a specially formulated plant food designed to promote healthy roots, stems, leaves, and flowers in acid-loving plants. Suitable for both new and established plants, it should be applied at ½ cup mixed into the planting hole for new plantings and 1 cup per 4 feet of height for established plants, spreading evenly around the drip line.