Angel Choir. Anderson. 1989. P. rockii influence hybrid. (Rock’s Variety x Shintenchi). Bright white semi-double flowers with dark black-maroon flares. Good deep green disease free foliage throughout the growing season. Plants produce hardy stems and become large and tall over time. An outstanding plant for growth and flower production. Angel Choir has similar plant habits to its sibling, Angel Emily. A rarely available cultivar prized by the collector and suitable for landscape purposes. Recommended for cold winter climates. Fertile both ways. Ships in late September to mid October.