Complete, cumulative and comprehensive listing of all rose cultivatars registered since 1955.
For this new edition:
*More than 5,000 cultivar entries have been added, with more than half of those being old garden roses which were never before included;
*More than 15,000 updates and corrections have been made;
*Parentage information has been added to more than 3,000 entries;
*Includes all cultivars registered through May, 2007;
*Cultivars listed by Approved Exhibition Name