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Name: Joelle
Status: student
Age: 17
Location: N/A
Country: N/A
Date: 8/1/2004


Question:
I was wondering if there are, if so the name, of a type of flower that can change its petal colour according to the pH of its soil or fertilizer?


Replies:
Yes, one example is the hydrangea:

http://www.newton.dep.anl.gov/askasci/bot00/bot00476.htm

http://www.cahe.nmsu.edu/ces/yard/1996/120996.html

Anthony Brach, Ph.D



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