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 ...

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 ...

Hydrangea macrophylla (Bigleaf Hydrangea): This variety is most commonly affected by soil pH. It includes both Mophead and Lacecap types. The color change is most dramatic in these hydrangeas.

It is a great time of year for some southern garden hydrangeas. Something about the blue mop head hydrangeas gets the horticulture juices flowing. These southern gems are called Hydrangea macrophylla, ...