Hydrangea mac. Endless Summer® BloomStruck®
Hydrangea macrophylla 'P11HM-11', also known as Hydrangea Endless Summer® Bloomstruck. This shrub is a large mop-head variety that blooms on both old and new wood. The stems on Bloomstruck are red-purple. Flowers are pink with alkaline soil and blue with acidic soil. Moderately salt tolerant and prefers well drained soils.