Pink and blue hydrangeas can by dynamic in the landscape.
Released February 5, 2010
BATON ROUGE, La. – Many people know that hydrangeas can change color, but most do not understand what causes this color change. Different pH levels and the availability of aluminum ions in the soil cause the plant to produce different color blossoms. Discover which factors determine which hydrangea colors.
--60 second audio on LSU AgCenter news
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