Gardeners can change hydrangea bloom color by altering soil pH. This is a fun and creative way to add a splash of color to your garden, and it's easier than you might think! Not all hydrangeas respond ...

Shift your bigleaf hydrangeas from blue to pink or vice versa.

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.