Fall-blooming hydrangea, also known as "hardy hydrangea", is a popular shrub renowned for adding vibrant color to your garden in autumn. While it is commonly referred to as "fall-blooming hydrangea", there are a few other synonyms used for it. One of the popular synonyms is "late-blooming hydrangea" as these shrubs thrive in the late summer to early autumn season. "Paniculata hydrangea" is another synonym used, which refers to the cone-shaped flower clusters that bloom in the fall. Some also refer to it as "limelight hydrangea" due to its striking lime-green foliage that turns pinkish-purple in fall. Whatever name you choose, this hydrangea is sure to add a spectacular burst of color to your garden, making it a must-have for any gardener.