The first repeat blooming mophead Hydrangea. Remove spent flowers to have blooms from spring to fall. A Bigleaf Hydrangea plant with flowers that form on the current year's growth as well as on old wood. Endless Summer® can bloom for more than six months in warm areas, especially if deadheaded regularly, and the flower heads - blue in acid soils, or pink, purple multi colored in alkaline soils - are up to 9in across