There's an old gardening myth that you can turn hydrangeas blue by burying pennies or nails in the soil. Unfortunately, this particular wisdom isn't true, but there are other ways you can change these ...

With their lavish blooms, hydrangeas are the darlings of cottage and coastal gardens. These hardy shrubs are so much more than pampered garden specimens; their tolerance of shade and love of ...

It’s a popular piece of garden folklore: Coffee grounds will change the color of hydrangea blooms, making them the dramatic blue many gardeners covet. The truth is more complicated, according to a ...

Hydrangeas are exceptional in that the color of their flowers can change depending on the availability of aluminum ions. Available aluminum ions make the flowers blue. Aluminum ions are most available ...