
There are some age-old theories about how to change the color of your Hydrangea blooms that have been used by gardeners for centuries. These practices include adding things like metal or coffee grounds to the soil to alter the hue when hydrangeas bloom. The truth is, the coloring of your distinct plants comes from the pH level of the soil. Moreover, the shade depends on how much aluminum it is soaking up from the earth. Some tips to change the…