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Flower color
When I planted my Hydrangea it was blue, after a while it changed to pink. What should I add to the soil to change it back to blue?
Yes, the color of hydrangeas can be changed from pink to blue (not so easy to make it go from blue to pink).
I'm in the process of "encouraging" my MIL's hydrangeas to go BACK to blue, like they were last year, when they were planted. Right now, they're a rather sickly blue-ish white. First application of "stuff" was two weeks ago, so I'm still in the waiting period.
Cynthia H.
USDA Zone 9, Sunset Zone 17
edited to update link
I'm in the process of "encouraging" my MIL's hydrangeas to go BACK to blue, like they were last year, when they were planted. Right now, they're a rather sickly blue-ish white. First application of "stuff" was two weeks ago, so I'm still in the waiting period.
Cynthia H.
USDA Zone 9, Sunset Zone 17
edited to update link
Last edited by cynthia_h on Fri Mar 13, 2009 1:21 pm, edited 1 time in total.
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That's what I love about hydrangeas! They'll be whatever color you want them to be. We bought two a few months back that were pink as a little girl's dress, but I wanted them blue so we put lots of garden sulfur in the soil when we planted them. They are now the most beautiful shade of deep purple-blue.