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Quick Summary of Cultural Directions Hardiness Zones 4 8 for most varieties, Some cultivars tolerate colder, others tolerate warmer zones (please comment in com...
■(TB) 'U Gotta Plicata' 2012, Burseen 'U Gotta Plicata' (Tom Burseen, R. 2012) Seedling 08 1252A. TB, 38" (97 cm). Very early to early bloom. Standards and style ...
■(TB) 'U Konce S Dechem' 2022, Seidl 'U Konce S Dechem' (Zdenĕk Seidl, R. 2022) Seedling K0205, TB, 37" (95 cm), Midseason bloom. Standards and style arms light...
■(TB) 'U.S.S. Concord' 1965, Blocher 'U.S.S. Concord' (Clarence Blocher, R. 1964). Seedling# B 77. TB, 30" (76 cm), Midseason to late bloom. Deep dark blue s...
(TB) 'Uarieu' 1937, Senni 'Uarieu' (Countess Giulio Senni, R. 1937) TB. Midseason bloom. Color Class R7D. 'Shasta' x 'Géricault'. See below: * References * ...
■(TB) 'Ubet' 1986, Smith 'Ubet' (Paul R. Smith, R. 1981) Seedling# 73 15. TB, 37" (94 cm), Early to late bloom. Ruffled white, lightly splashed violet (RHS 85A)...
(TB) 'Udine' 1935, Callis 'Udine' (Ella Callis, 1935) TB. Midseason bloom. Color Class R9M. Callis 1935. There is no record in the 1939/1949 Checklists as being r...
(TB) 'Uffdown' 1990, Taylor 'Uffdown' (John D. Taylor by Carilla Taylor, R. 1990) Seedling# E18/3. TB, 30" (75 cm). Midseason bloom. Standards white flushed viole...
(TB) 'Uganda' 1939, Pilkington 'Uganda' (Geoffrey Pilkington, R. 1939) TB. Very late bloom. Color Class S9M. 'Sahara' x 'Destiny'. Main.RPries 2011 03 07
(TB) 'Uhlan' 1952, Beach 'Uhlan' (George Beach, R. 1952) TB, 42" (107 cm), Midseason to late bloom. Light blue self. 'Blue Shimmer' X 'Great Lakes'. Main.RP...
(TB) 'Uhlan Chief' 1938, Tharp 'Uhlan Chief' (Mary Tharp, R. 1938) TB. Midseason bloom. Color Class R9M. ('Luther Peterson' x 'Cardinal') x 'Dauntless'. Main...
(TB) 'Uintah' 1957, Crosby 'Uintah' (Luzon Crosby, R. 1956) Seedling# C 56 12D. TB, 40 45", Early, midseason, and late bloom. White self. 'Swan Ballet' x 'Mount E...
(TB) 'Ukiah' 1934, Essig 'Ukiah' (Edward Essig, R. 1934) TB. Midseason bloom. Color Class S9D. ('Alcazar' x 'Souv. De Mme Gaudichau') X 'Mrs. Valerie West'. See b...