Hydrangeas + Sweet Peas

I have a few amazing hydrangea bushes that produce these beautiful cone shaped white hydrangeas that I can cut from over and over again.  I need some help identifying them, so if you know the variety, please leave me a comment.  The hydrangeas bloom white and slowly change to a light and dark pink and I love them at every stage.  I mixed in all stages of the flowers for this arrangement.  I absouletly love the way it turned out.

Sorry for all the pics, I was having fun chasing the light with this one.