A pH between 6 and 7 will net purple or pinkish-blue blooms. Hydrangea flowers purchased at a nursery might well change color once they ... Garden lime Fertilizer Sulfur Aluminum sulfate Be ...

She said: "Hydrangeas produce their best blooms that have intense colour when fed a steady diet of rich fertilizer." Fertilizing is a very ... and some of them can even turn your hydrangeas blue.

The color of your hydrangea bushes will not change right away. The process can sometimes take weeks or even months before you ...