Hybrid origin
Eastern Asia, China, Japan, Korea
along watercourse, gardens, Humid climates, Prairies, Roadsides
Lower slopes, marshes, Mountain Slopes
3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24