Thanks everyone for the comments.
Pictures; The shrub grows behind the house just off the back porch.
This is the photo the banner was taken from.
This one is just a little closer look to see the white rim around each floret.
This one has some morning sunlight.
I think the fragrance is what sold us on lilacs. And yes they do love cold winters, at least ours seem to.
We have seven or eight plus the Korean "Miss Kim" which has a 'sweet, honey' aroma. Another plus is
they are so easy to grow and maintain.