Ideal for hollies, azaleas, dogwoods and other acid-loving plantsOrganic plant fertilizer enhanced with bio-toneSlow release fertilizer to be applied in spring and fall The original and best organic fertilizer for all acid loving plants including azaleas, camellias, rhododendron and evergreens. Holly-tone’s complex blend provides all essential nutrients for optimum growth, color and blooms. Simply sprinkle on the soil around the plants and then water; no mixing or mess. A 27 lb. bag covers 27 in. of trunk diameter. For shrubs, 1/3 lb. covers a foot of branch spread. If branch spread is more than 3 ft., double the quantity. For new beds, 1-bag covers 270 sq. ft. and for established beds, 1-bag covers 540 sq. ft.