Dr. John Creech, former director of the U.S. National Arboretum, discovered this little beauty in the Siberian Academ Gorodok Gardens in 1971. The small, scalloped green leaves of this weed-smothering groundcover are topped with rose pink flowers in late summer and fall. It is very hardy, vigorous and gorgeous weaving in and out of stepping stones or along a garden path. Ideal for green roofs, rock gardens and containers as well. Tolerant of light shade.