Europe, Northern America
Hybrid origin, Northern Africa, Central Asia, Western Asia
Persian lilac, Dwarf Korean lilac, Tree lilacs, Chinese lilac, Himalayan lilac
Not Available
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14
2b, 3b, 8, 9, 10, 12, 13, 14, 15, 16, 19, 20, 21