(IB) 'B 36' 1951, Russell 'B 36' (Mrs. F. Russell, R. 1951) IB, 17" (43 cm). Early bloom and rebloom. Royal purple self. Reblooms. 'Lieutenant de Chavagnac' x unk...
■(IB) 'Baby Blue Marine' 1987, Denney 'Baby Blue Marine' (Don Denney by James McWhirter, R. 1987). Seedling #D81 1 5. IB, 18" (46 cm), Early bloom. Light marine b...
■(IB) 'Back The Blue' 2026, Stout, Jr 'Back The Blue' (Hugh Stout Jr, R. 2025). Seedling V1 85A, IB, 24 25" (61 63.5 cm), Early to midseason bloom. Standards corn...
■(IB) 'Bad To The Bone' 2023, Stout 'Bad To The Bone' (Hugh Stout, R. 2023) Seedling DH 226D, IB, 25" (63.5 cm), Early to midseason bloom. Standards light yellow ...
(IB) 'Bambino' 1940, White 'Bambino' (Clarence G. White, 1940) IMB. Early bloom. Color Code R4M. (oncobred). No information on introduction found in AIS checklist...
(IB) 'Barre Beauty' 1953, Brown 'Barre Beauty' (G. P. Brown, R. 1951). IB, 28" (71 cm), Early bloom and rebloom. Color Code B1, Pale blue self, veined lavender. '...
■(IB) 'Battenkill Riffle' 2003, Burton II 'Battenkill Riffle'(John Burton II, R. 2002) Seedling #93A6. IB, 19" (48 cm). Late bloom. Dark cornflower blue (RHS 95A/...
(IB) 'Baveilles' 1929, Hort 'Baveilles' (Collected Hort. Southern France) IB Early bloom season; Offered for sale by Berry 1929: 1938 See below: * References ...
(IB) 'Bawani' 1935, Gersdorff 'Bawani' (Charles E. F. Gersdorff, R. 1930) IB, Early bloom rebloom. Color Code B1M. (medium blue self). 'Bluet' X Iris cengialti...
(IB) 'Bed Time' 1938, White 'Bed Time' ( Clarence G. White, R. 1938) IMB. Early bloom. Color Code S7D. ( I. sofarana x I. susiana ) x yellow M. From Milliken c...
(IB) 'Bengal' 1934, Danenhauer 'Bengal' (H. L. Danenhauer, R. 1934) IB. Early midseason bloom. Color Code R9D. 'Ambigu' x unknown. Main.BobPries 2011 03 07...
(IB) 'Berkeley Blue' 1942, Salbach 'Berkeley Blue' (Carl Salbach, 1942). IB, Very early bloom season. Color Code B1L. 'Purissima' x B Bi c seedling. See below: ...
(IB) 'Berlioz' 1937, Vilmorin 'Berlioz' (Vilmorin Andrieux et Fils, R. 1937) IB. Early bloom. Color Code S6D. See below: * References References Journal de...
(IB) 'Bewdley' 1997, Taylor 'Bewdley' (John D. Taylor, R. 1986). Seedling #D.13/2. IB, height 17" (43 cm), Early bloom. Standards blue; falls white ground, stitch...
■(IB) 'Bien Ajusté' 2018, Tasquier 'Bien Ajusté' (Loïc Tasquier, R. 2018). Seedling E441E. IB, 23.5" (60 cm), Early bloom and re bloom. Standards pale white laven...
■(IB) 'Birds And Bees' 2011, Black 'Birds And Bees' (Paul Black, R 2011 ) seedling #P152H. IB, 20" (51 cm), Early midseason bloom. Standards and style arms light ...
■(IB) 'Bistro' 1999, Gatty 'Bistro' (Joseph Gatty by Keith Keppel, R. 1998). Seedling Y8 6. IB, height 27" (69 cm), Early to late bloom. Standards and style arms...
■(IB) 'Black Comedy' 2017, Black 'Black Comedy' (Paul Black, R. 2017) Seedling V199F. IB, 27" (69 cm). Early to late bloom. Standards dark black purple; style arm...
■(IB) 'Black Magic' 1935, Wayman 'Black Magic' (Robert Wayman, 1935) IB. Early bloom and rebloom. Color Code B1D. From the 2022 Rebloom Checklist: Rebloom reporte...
(IB) Black Watch by Nicholls 1932, Nicholls 'Black Watch' (Col. Jesse Crook Nicholls, 1932) IB. Early bloom. Color Class B7D. 'Louis Bel' X 'Fire God'. Royal Iris...
■(IB) 'Blinkity Blank' 2014, Sutton 'Blinkity Blank' (George Sutton, deceased, by Michael Sutton, R. 2014) IB, 17" (43 cm), Early to midseason bloom. Standards pi...
(IB) 'Bluedox' 1937, Graves 'Bludox' (Dr. Robert Graves, R. 1937) IB. Midseason bloom. Color Code W1. 'Doxa' x seedling. See below: * * References Refere...
■(IB) 'Blue Boy' 1913, Foster 'Blue Boy' (Sir Michael Foster, 1913) IB. Early bloom. Color Code B1M. I. aphylla x Unknown. From the 2022 Rebloom Checklist: Rebl...
(IB) 'Bluestone' 1903, Perry 'Bluestone' (Amos Perry, 1903) IB. Early bloom. Color Code B9M. See below: * References * Progeny References: From Bonnewi...
(IB) 'Bluet' 1918, Sturtevant 'Bluet' (Grace Sturtevant, 1918) IB, Midseason bloom, Color Code B1L. 'Dalmatica' x I.cengialti. note: Although registered as an I...
(IB) 'Blyth's White Sprite' 1966/7, Blyth 'Blyth's White Sprite' (Charles J. BIyth, R. 1967). IB, height 18" (46 cm), Early midseason bloom. Pure white self. 'Lem...
(IB) 'Boismilon' 1840, Lémon 'Boismilon' (Jean Nicolas Lémon, 1840). IB. Midseason bloom. Color Class R3D. Note: Lémon gave an other name (see references). See be...
■(IB) 'Bold Stroke' 1993, Jones 'Bold Stroke' (Evelyn Jones, R. 1992). Seedling I 88 1 7. IB, 24" (61 cm). Late midseason bloom. French blue self; beards blackish...
(IB) 'Bonnie Lass' 1939, Douglas 'Bonnie Lass' ( Geddes Douglas, R. 1939) IB. Very late bloom. Color Code Y7M. 'Francesca' x ( 'Purissima' x unknown). Also listed...
(IB) 'Boscambo' 1935, Cayeux 'Boscambo' (Ferdinand Cayeux, R. 1935) IB. Color Code R7D. See below: * References References From AIS Checklist 1949, p. 57; ...
(IB) 'Bosniamac' 1905, Willmott 'Bosniamac' ( Miss Ellen A. Willmott, 1905) IB, Early bloom. Color Code W3. I. reichenbachii x 'Amas'. See below: * Reference...
■(IB) 'Bottled Sunshine' 1995, Nichols 'Bottled Sunshine' (Hooker Nichols, R. 1994). Seedling #91 04A. IB, 22" (56 cm), Early midseason to very late bloom. Standa...
(IB) 'Bountiful Blue' 1999, Hill 'Bountiful Blue' (Horace M. Hill by Philip Edinger, R. 1999). IB, height 18" (46 cm), Early bloom and rebloom. Dark violet blue,...
■(IB) 'Break It Up' 2022, Sutton 'Break It Up' (Michael Sutton, R. 2022) Seedling. AD 999 A, IB, 21" (53 cm), Midseason bloom. Standards dark purple, splashed and...
■(IB) 'Breizhad En Aour' 2025, Lecomte 'Breizhad En Aour' (Gabriel Lecomte, R. 2025). Seedling GL21M21/1, IB, 20.5" (52 cm), Early bloom. Standards bright golden ...
(IB) 'Brilliantine' 1934, Danenhauer 'Brilliantine' (H. L. Danenhauer, R. 1934) IB. Midseason bloom. Color Code R9M. 'Magnate' x 'Souv. De Mme Gaudichau'. See bel...
(IB) 'Brillig' 1938, White 'Brillig' OB (Clarence G. White, R. 1938). IMB. Early bloom. Color Code S7D. (I.sofarana_x _I. susiana) X Yellow seedling Milliken, 193...
■(IB) 'Briquet' 1980, Lankow 'Briquet' (Carol Lankow, R. 1979) Seedling #6622 1. IB, 19" (48 cm), Early bloom. Very dark red violet; center of falls flushed wine ...
(IB) 'Bronze Ruffles' 1947, Taylor 'Bronze Ruffles' (Fred E. Taylor, R. 1947) IB. Early bloom and rebloom. Color Code S1M. Parentage unknown. From the 2022 Rebloo...
■(IB) 'Brown Doll' 1968, Schreiners 'Brown Doll' (Schreiners, R. 1968). Seedling Y2068 B. IB, height 24" (61 cm), Midseason bloom. Even shade of red with chestnut...
(IB) 'Brownie Troupe' 1963, Greenlee 'Brownie Troupe' (Wilma Greenlee, R. 1962). IB, height 15" (38 cm), Early bloom. Tan brown with yellow green overlay on falls...
(IB) 'Burgee' 1942, Peckham 'Burgee' (Mrs. E. A. Peckham, R. 1942) IB. Midseason bloom. Color Code Y9D. ( 'Nightshade' x Kirkland blue seedling) x ('Nightshade' x...
■(IB) 'Butterpat' 1986, Schreiner 'Butterpat' (Schreiner, R. 1986). Seedling R 1015 B. IB, height 23" (58 cm), Very early bloom. Standards starchy white; falls sm...
(IB) 'Buzz' 1939, White 'Buzz' OB (Clarence G. White, R. 1939). AB, IMB, Early bloom. White, feathered dark red. Onco X TB. Also listed in AB Web: 'Buzz'. M...
(IB) 'By Jove' 1941, White 'By Jove' RB (Clarence G. White, R. 1941). AB, IMB, medium height. Midseason bloom. Yellow standards; dark red falls. Bearded Iris X re...