Hi-Yield Aluminum Sulphate

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SKU
21321755-C

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As low as: $12.99

Description

"I want my hydrangea to be blue!" Ask and you shall receive - apply Aluminum Sulphate once in the spring and you will have beautiful blue blooms for the summer.

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Help and Advice

Details

"I want my hydrangea to be blue!" Ask and you shall receive - apply Aluminum Sulphate once in the spring and you will have beautiful blue blooms for the summer. Helps create an acid soil condition for plants such as azaleas, gardenias, camellias, rhododendrons, blueberries and others. Intensifies blue color in hydrangeas.

More Information

Safe to Use On Acid Loving Plants
Fertilizer Composition Granular
Brand Fertilome

Product Questions (4)

Do not start any type of fertilizer regime for young seedlings until they have at least two full sets of regular leaves. Start with a root stimulator, then after a month you may move on to a gentle, weak (half strength) water-based fertilizer. Remember...
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1) Nitrogen (leaf development, top growth) 2) Phosphorus (roots and blooms) 3) Potassium aka Potash (roots).  To shop Gertens fertilizer options, click here
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Use a bloom enhancing fertilizer, make sure it has a high level of phosphorus (middle number of NPK) for full blooms.
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The recommended root stimulator for Hydrangeas would be the Plant Starter Solution (4-10-3).
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