Europe, Mediterranean, Northern Africa, Western Asia
Hybrid origin
red radicchio, bicolored radicchio, (green radicchio
boissieri , cupanii , hungaricum , kesselringii
A1, A2, A3, H1, H2, 1a, 1b, 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
21,22