Q.Blue Hydrangea
How do I maintain the blue color in this plant? What type of fertilizer do I need?
Downtoearthdigs
Answered on May 28, 2015
You will need to test your soil to determine it's ph factor.
You can then determine the adjustments needed.
https://www.gardeningknowhow.com/extension-search/
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/change-hydrangea-color.htm
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