HABIT: Slow growing, extra dwarf, rounded deciduous shrub. -- SIZE: 1.5 ft. tall and 2 -3 ft. wide. -- HARDINESS: Hardy to -30 degrees F (USDA Zone 4). -- EXPOSURE: Full sun or part shade. -- DESCRIPTION: Lustrous dark green foliage. Especially well suited for low borders and mass plantings. Fall color is yellow-red. Thorns.