Bigleaf Hydrangea, French Hydrangea, Mophead Hydrangea 'Curly Wurly' (Hydrangea macrophylla)
Hydrangea macrophylla
RHS Chelsea Flower Show.. Photo courtesy of Karl Gercens. Copyright Karl Gercens. Conservatory Horticulturist at Longwood Gardens. http://www.karlgercens.com
