Flower ID please
edited June 2018
It's white and has started flowering now. I thought maybe an Achillea but don't they have flatter flower heads?
Looks like Filipendula vulgaris multiplex.
Perthshire. SCOTLAND .
Yes that looks like it. Thank you.
I agree with the above, but there are some achillea that have quite round heads. Like
. Mine are about to pop. So excited!