"When the eggshell powder is added to the soil it makes the soil neutral and the color of flowers such as hydrangea turn ...

purple flowers, white flowers, and more. Did you know that the soil’s pH level actually plays a role in determining these beautiful colors? Here are some of the hydrangea varieties that can ...

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 are placed directly in the garden. You can control the color ...