The Savoy Perfection cabbage is a large, drumhead type has finely crinkled, savoyed leaves that are mild and sweet in flavor, compact short-stemmed plants.  This heirloom was introduced before 1888 and is a favorite of home gardeners. 
The Savoy Perfection cabbage is a dark green crumpled leaves, approximate 7 x 9 in. head, 6-8 lb, even better flavor after touched by frost, very tender.