Mother Earth brings you this granular fertilizer that is formulated for your acid-loving plants 3-4-6. Beauty takes time. That?s why there?s Mother Earth Acid Drop formulated for your acid-loving plants. This mix feeds your most charming shrubs like rhododendrons, azaleas, camellias, and blueberries. Each ingredient in this dry blend is purposely chosen for its love of low pH plants, from the alfalfa meal to bat guano and beyond. Look forward to huge flowers with striking color thanks to this plant food.