Here are some of the hydrangea varieties that can change colors: Nikko Blue Hydrangea (Hydrangea macrophylla ‘Nikko Blue’) ...

These are bigleaf (Hydrangea macrophylla), panicle (Hydrangea paniculata ... Popular varieties include the classic 'Nikko Blue,' or 'Blue Jangles,' or the 'Endless Summer' hybrids, including ...

Hydrangea macrophylla is commonly called the mophead type, and their flowers are what most gardeners long for: “People lust after those big blue flowers that we go gaga about and people don’t ...