Help your acid loving plants thrive with Miracle-Gro Water Soluble Miracid Acid-Loving Plant Food. This water-soluble fertilizer helps promote vibrant color and beautiful blooms. It feeds instantly and is great for use on acid-loving plants, including azalea, camellia, gardenia, hibiscus, holly, hydrangea, and orchid. Use watering can or Miracle-Gro Garden Feeder to apply. 1 lb. of Miracle-Gro® Water Soluble Miracid Acid-Loving Plant Food feeds approximately 400 sq. ft. of garden area. Please only use as directed. For best results, use every 7 to 14 days.