Grow More Hydrangea Bluing Formula, 2-Pound Fertilizers Garden &amp Outdoor

Hydrangea bluing formula. Aluminum sulfate. Helps form acid soil for hydrangea. Turns pink flowers blue. Pink red forms often turn blue or purple in acid soils. Use for shrub, climbing vine, bug leaf garden mon varieties. Also used for azaleas, camellias, gardenias, fuchsias, begonias, rhododendrons. For soil or potted plants. Economical concentrate. Treats 8,000-square feet.