I really have an obsession with white hydrangeas, if I lived in a zone where blue hydrangeas grew freely, they would hold the #1 spot, but I am happy with these cool beauties. I think of them as 'late summer lilacs'. Below are my three.
Here is the delicate beauty Kyushu.
The heavily blooming Little Lamb.
Last but not least, the reliable Unique, which turns pink quickly after a few cool nights.