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#12
27-08-2006, 03:17 PM
posted to rec.gardens
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Hydrangea bloom not coloring
In the hydrangea "world" a pH of 7 is enough Alkaline for pink.
Nickpicker "Stephen Henning" wrote in message news  "Elaine" wrote: http://www.flowersbulbs.com/manipulatecolor.cfm Here is a reference for pH and coloring. I did have it backwards. Sorry, thanks John. pH of 4.5-----deep blue----acid pH of 7.0----deep pink----alkaline Actually a pH of 7 is neutral, perfectly neutral. -- Pardon my spam deterrent; send email to Visit my Rhododendron and Azalea web pages at: http://home.earthlink.net/~rhodyman/rhody.html Also visit the Rhododendron and Azalea Bookstore at: http://home.earthlink.net/~rhodyman/rhodybooks.html Cheers, Steve Henning in Reading, PA USA Zone 6 |
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