Hydrangea plant named ‘JoAnn’

摘要

A new and distinct cultivar of Hydrangea plant named ‘JoAnn’, characterized by its loosely upright and outwardly spreading plant habit; strong and sturdy stems; relatively small leaves; freely flowering habit; large showy inflorescences with sterile flowers that are initially white in color and with development become pink to rosy violet pink in color; and good garden performance and winter hardiness.