Surrey, United Kingdom
What do i need add to my soil to keep my hydrangea blue. As last when I planted it it was blue but this year it has turned pink.
- 2 Aug, 2010
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hydrangeas
Answers
Organic matter plus Sequestrene, sulfur pastilles, or aluminum sulfate.
3 Aug, 2010
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this has already been answered.
2 Aug, 2010