Hydrangea macrophylla subsp. macrophylla 'Blue Bonnet'

Flower heads round, pink or blue. Raised by c. Marchant of Farnham, Dorset, uk, as a branch sport of 'gÃĩnÃĩrale Vicomtesse de Vibraye', grown for the long flowering period and prolific flowers. Sometimes referred to by the common name, Paddock Hydrangea.