According to the authors of "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press), A wide growing form up to 10'....Read More The panicles are large, colored white to cream. Flowering time is August until frost. The numerous ray-flowers are give the appearance of a cloud of butterflies ('Pappillon' means "butterfly"). Van Gelderen states that this plant is quite rare.
According to the authors of "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press), A wide growing form up to 10'....Read More