1945, Whiting
'Blue Rhythm' (Mrs. C. Whiting, R. 1945). Seedling# 4332. TB, Midseason bloom. Color Class B1M. (Medium blue self). Lemon fragrance. ('Annabel' X 'Blue Zenith'). Whiting 1945. Honorable Mention 1945; Award of Merit 1947; President's Cup 1950; American Dykes Medal 1950; First Class Certificate, RHS 1953.