Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada
Eastern Africa, Southern Africa
Arrowwood Viburnum, American Cranberrybush, European Cranberrybush
Robusta blue, Robusta green, Curvula
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24