Hydrangea mac 'PIIHM-II' (PP 25,556) ENDLESS SUMMER BLOOMSTRUCK® HYDRANGEA

3-4'h 4-5'w. (Zone 4-9) Reblooming mophead flowers, intense rose-pink, violet or blue flowers on red-purple stems, with above average heat tolerance and disease resistance, fall color is reddish purple.
 
General Hydrangea Hortensia flower type

Hydrangeas with hortensia or mophead type flowers have sterile petals in large globose corymbs.  Flower color varies by variety and by soil ph.  Acidic ph for blue color, alkaline ph for pink.  Plant in part-shade to part-sun in well-drained organic soil.  Bloom in summer.