Description:
(Audio 02/08/10) 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. (Runtime: 60 seconds)

Primary Audience:
General

Resource Updated:
1/3/2011 1:33:42 PM