photo submitted by E.S. Boerner with his plant patent application in 1954; U.S. Plant Patent 1,357 was granted in 1955. Image and information courtesy of University of Maryland Libraries.
Spartan blooming in October (planted bare-root in May). Blooms are more pink than in summer when they were more orange. While one bloom is high-centered and star-shaped, the other one is rounder. I like both of them