The Neighbor's Dogwood.

It's large and covered in white sepals. It was late this year and looked as though it might not blossom at all.

[Desi]

That is really pretty. Love the solid pattern it makes

[BeckyJo]

Love the pinwheel pattern!

[Caryn]

@seacreature @beckyk365 Thanks, ladies. It's a lovely dogwood. I hadn't thought about pinwheels but it is.