Belgian Endive, Red Belgian Endive, Curly Endive (a.k.a. Frisee), Escarole, Radicchio (Chioggia) and Radicchio (Chioggia)
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
Northeastern United States, Mid-Atlantic United States, Central United States, Canada