They are hardy through zone 5 or 6. These are the roses of early Victorian England. Heirloom OGR has 12 varieties. The cabbage roses are as old as the Romans and were painted by the Dutch Masters. The class has large shrubs and smaller bushes called centifolia pompoms.
Flowers tend to pink.
They are hardy to zone 4. Heirloom carries 7, with 2 pompom type. Others say the Romans may have brought this rose to England. White or pink color. Hardy zones 4 to 9.