Mine would be Southern Belle Echinacea. It bloomed all summer long until a really hard frost, and now it's under about a foot of snow which is great protection!
Those are so pretty Karen, the coreopsis are such an airy, cheery plant and I love the iris! I know they aren't suppose to be hardy for here but after seeing your beautiful ones Arlene, and seeing how much they add to a garden, I'm gonna have to try them.