Espoma Holly-Tone Catalog Lawn & Garden Soils & Fertilizers Espoma Holly-Tone Manufacturer : Espoma Natural Gardening Solutions Description The Original Natural & Organic fertilizer for all acid loving plants. The #1 choice for feeding hollies, azaleas, camellias, evergreens, dogwoods, rhododendrons & more!Get more blooms with more vibrant color.Grow larger plants with deeper green color.Long lasting, slow-release feeding with our exclusive Bio-tone Microbes. Rates Please contact us for current pricing and availability.