Hydrangea macrophylla is a species of Hydrangea native to Japan. Common names include Bigleaf Hydrangea, French Hydrangea, Lacecap Hydrangea, Mophead Hydrangea, Penny Mac and Hortensia. It is widely cultivated in many parts of the world in many climates. Hydrangea macrophylla blossoms can be either pink, blue, or purple shades, depending on a pH-dependent mobilization and uptake of soil aluminium into the plants.