When Do Annabelle Hydrangeas Bloom?

The 'Annabelle' hydrangea (Hydrangea arborescens) is a deciduous shrub that is sometimes called the "smooth" hydrangea. 'Annabelle' hydrangeas bloom from June until September. It produces a large, white flower head that is approximately 10-inches in diameter.

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About this Author

Amy Deemer began her writing career in 1992. She began writing online content in 2009 and writes primarily for Answerbag and Garden Guides. Deemer enjoys researching and writing about flowers, plants and gardening. Deemer has an Associate of Arts in liberal studies from Westmoreland Community College.