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Aluminum Sulfate 15% Sulfur, 4lb Bag

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$ 10.79
> 35
$ 10.24
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# B705
In Stock
Weight: 4.10 lbs

Very popular, a convenient way to make those hydrangeas blue!

Lowers soil pH for acid loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron and dogwood. Turns hydrangeas blue. Includes easy-to-follow chart. Works in all soil types. Not for Sale in OR. Ship wt 4 lb.


  • Ingredients: 17% aluminum, 15% sulfur
  • No fertilizer or other nutrients

Product Features

  • Primary use is to lower pH, but it can also be used to turn hydrangeas blue



Application Rates

  • For lowering pH: If your soil is 7.5, for every 100 sq ft, apply 4 lbs for sandy soil, 4 & 1/2 lbs for loamy soil, and 5 lbs for clay soil. If your pH is 7, for every 100 sq ft, apply 3 lbs for sandy soil, 3 & 1/2 lbs for loamy soil, and 4 lbs for clay soil. If your pH is 6.5, for every 100 sq ft, apply 1 & 1/2 lbs for sandy, 2 lbs for loamy, and 2 & 1/2 lbs for clay
  • See label for fourther information

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