Alaska, Canada, Northern Europe, Russia/Siberia
Hybrid origin
gardens, Grassland, Roadsides, tropical environments
Cold Regions
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 10
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24