How To Make Hydrangeas Blue

August 10, 2008

Do you grow hydrangea? Did the tag tell you they were suppose to be blue yet they are pale white or even light pink? Unless the tag was wrong, the problem is the soil and the nutrients in the soil. One of the most important nutrients that helps change the color of the hydrangea is aluminum. If you add aluminum to the soil the hydrangea tend to turn blue. Your next question might be where do you get aluminum? Some people add a nail or penny to the soil. ...