White Hydrangea

I thought this quite an unusual species and can't for the life of me remember how I came across it. I do know I have had it for about eight years and this is the first time it has flowered. This is the second head that has opened and when fully open the small centre of each flower within the head turns light blue. I will try to catch that before the weather does too much damage and show it on a future blip, hopefully next week sometime.
So my blip for today is my White Hydrangea.