Improve your Blueberries, Azaleas, Blue Hydrangeas and other plants that love acid soil. Bonide's Soil Acidifier with Sulfur - 90% is ideal to lower the pH in the soil. When using Bonide's Soil Acidifier, it improves the color in these plants and improves the plant hardiness. This soil enhancer corrects sulfur deficiencies and helps increase availability of soil iron. This ready to use acidifier can be used at planting time, on growing plants and on turf. Bonide's Soil Acidifier improves water penetration as it improves water utilization.
Use 1 cup per sq. yard on plants, 1/2 to 4 lbs. per 1,000 sq. ft. on turf.
Bonide's Soil Acidifier - What To Expect.
Expect your plants that have sulfur deficiencies to regain normal color and growth within one month of application, during the active growing season.