Feed your acid-loving plants with Espoma Holly-tone®, the original organic fertilizer specially formulated for azaleas, rhododendrons, camellias, and more. This premium blend of natural ingredients is enhanced with beneficial microbes and humates to support healthy growth, deep green color, and abundant blooms.

With elemental sulfur to help acidify soil, Holly-tone® provides long-lasting, slow-release feeding throughout the growing season. Made with no sludges or fillers, it’s safe for people, pets, and the environment - making it a trusted choice for thriving acid-loving plants.