Hydrangea bluing formula. Aluminum sulfate. Helps form acid soil for all hydrangea. Turns pink flowers blue. Pink and red forms often turn blue or purple in acid soils. Use for shrub, climbing vine, bug leaf garden and common varieties. Also used for azaleas, camellias, gardenias, fuchsias, begonias, rhododendrons. For soil or potted plants. Economical concentrate. Treats 8,000-square feet. Available in 2-pound.
- Hydrangea bluing formula
- Helps form acid soil for all hydrangea
- Turns pink flowers blue; pink and red forms often turn blue or purple in acid soils
- Use for shrub, climbing vine, bug leaf garden and common varieties
- For soil or potted plants