Bonide Aluminum Sulfate


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{ $19.14 { $17.17
  Size/Description Price/Ea. Qty
Bonide Aluminum Sulfate bag (4 lbs)

Buy 1: $19.14 each

Buy 2 or more: $17.17 each

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Bonide Aluminum Sulfate

Bonide Aluminum Sulfate lowers soil pH for acid loving plants like azaleas, camellias, gardenias, hemlock, holly, cedar, blueberry, rhododendron, and dogwood. Bonide Aluminum Sulfate turns hydrangeas blue. Includes easy to follow chart. Bonide Aluminum Sulfate works in all soil types.

A soil test is the best way to determine if your garden has need for Aluminum Sulfate. A pH above 7.0 indicates alkalinity. A chart on the label indicates the amount of Aluminum Sulfate needed to lower soil pH to 5.0, a suitable pH for many garden plants that thrive in acidic environments.

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05/10/2013 Loretta from Morristown, New Jersey

QShould Bonide Aluminum Sulfate be mixed with water?
I want to intensify the color blue in my hydrangeas.

AYou will want to blend the Aluminum Sulfate in the soil, if possible, and water it thoroughly after the application. Please see the Product Label for further information on how much to use and more specific treatment options for your hydrangeas.

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01/15/2014 Mike from Garden Grove, Calif

QWould Bonide Aluminium Sulfate be the best product to lower the soil pH?
I have a 100 sq foot area with a ph of 7.0 and would like to plant blackberries. I live in Southern California.

ABonide Aluminum Sulfate is labeled for lowering soil pH for acid loving plants. For additional information, please contact Bonide at 315-736-8231.

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05/30/2016 Dolores from Waupaca Wisconsin

QIs the Bonide Aluminum Sulfate a fertilizer?
I just planted Colorado blue spruce and I was going to buy a separate fertilizer. what would you recommend and how DO I apply it?


The Bonide Aluminum Sulfate is not a fertilizer at all but a product to help balance out the PH level in soils for plants that need a more acidic level to best grow. If you are looking for a general fertilizer for your trees then you could apply something like the Bayer Advanced 12 Month Tree & Shrub Protect and Feed.

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