■(SIB) 'A Cappella' 2012, Dunlop 'A Cappella' (Jeff Dunlop, R. 2010) Seedling 02527 8T. SIB (tetraploid), 26" (66 cm), Late midseeason to very late bloom. Standar...
(SIB) 'Abitibi' 1932, Preston 'Abitibi' ( Isabella Preston, R. 1932) SIB. Late bloom. Color Class B1L. 'Siberica maxima' x 'Snow Queen'. Main.BobPries 2011...
(SIB) 'Aegea' 1943, Spender 'Aegea' ( R.E.S. Spender, R. 1943). Sib; Late bloom. Dark blue self, (( 'Emperor' x seedling) X Iris chrysographes), Wallace 1943. Iri...
(SIB) 'Aethra' 1934, Gersdorff 'Aethra' ( Charles Gersdorff, R. 1934) SIB. Late bloom. Color Class B3M reverse. 'Perry's Blue' x 'Blue King'. Declared obsolete. S...
■(SIB) 'Again' 1984, McEwen 'Again' (Currier McEwen, R. 1984). Seedling T3 79 30. SIB (28 chrom. tetraploid), 19" (48 cm), Extra early to very late bloom and re...
(SIB) 'Aibonita' 1937, Gersdorff 'Aibonita' ( Charles Gersdorff, R. 1937) SIB. Early midseason bloom. Color Class B7L. 'Perry's Blue' x 'Blue King'. Declared obso...
(SIB) 'Albescens' 1904, Vilmorin 'Albescens' (Vilmorin Andrieux et Cie, R. 1932). SIB. Color Class W1. See below: * References References Awaiting original...
(SIB) 'Alemene' ?, Gersdorff 'Alemene' ( Charles Gersdorff, R. ). SIB. Early midseason bloom. Color Class B7M. 'Perry's Blue' x 'Blue King'. Declared obsolete. Se...
■(SIB) 'All In Stipple' 1984, Warburton 'All In Stipple' ( B. Warburton, R. 1983). Seedling ARV 80 12. SIB, 38" (97 cm), Midseason to late bloom. Standards marked...
(SIB) 'Alma Blue' 1986, Bush 'Alma Blue' ( George Bush, R. 1986). Seedling 49 48. SIB (tet.), 34" (86 cm), Midseason bloom. Light blue; white and green signal. Pa...
■(SIB) 'Almost A Melody' 1987, Miller 'Almost A Melody' ( Anna Mae Miller, R. 1987). Seedling 78.11.6. SIB, 23" (58 cm), Midseason late bloom. Standards medium pu...
■(SIB) 'Am I Amethyst' 2020, Hollingworth 'Am I Amethyst' (Robert Hollingworth, R. 2019) Seedling 11Q8B2. SIB (tetraploid.), 41" (104 cm), Early to very early...
(SIB) 'Amazement' 1973, Wiswell 'Amazement' (Gladys Wiswell, R. 1972) SIB, 24" (61 cm), Midseason late bloom. Pale yellow self. Believed to be a hybrid of a cross...
■(SIB) 'Amelia Earheart' 1939, Sass Scheffy 'Amelia Earheart' ( Hans Peter Sass Elizabeth Scheffy, R. 1937) SIB. Early bloom. Color Class B3D. Nursery listings:...
(SIB) 'Andereya' 1934, Gersdorff 'Andereya' (Charles Gersdorff, R. 1934) SIB Very late bloom. Color Class B7D. 'Perry's Blue' x 'Blue King'. Main.BobPries ...
(SIB) 'Ann Stahlman' 1931, Washington 'Ann Stahlman' ( Thomas Washington, R. 1931) SIB. Color Class B1L. ANN STAHLMAN (Washington 1931) Pale blue self; heart shap...
(SIB) 'Aorangi' 1934, Gersdorff 'Aorangi' ( Charles Gersdorff, R. 1934) SIB. Late bloom. Color Class WW. 'Blue King' x 'Perry's Blue'. Declared obsolete by 1949. ...
■(SIB) 'Apfelblute' YYYY, Tamberg 'Apfelbute' (Tomas Tamberg) A seedling converted to tetraploidy of Siberian Iris by Tamberg. Used as a parent but unregistere...
(■SIB) 'Arabian Princess' 1973/74, Kokich 'Arabian Princess' (Phylliss Kokich, R. 1973) SIB, 32" (81 cm), Late bloom. Light Moorish blue with deeper blue blaze o...
(SIB) 'Arbee' 1989, Wood 'Arbee' (John Wood, R. 1989) Seedling W 101 71. SIB (dip.), 23" (58 cm), Early bloom. Red purple (RHS 72A), yellow green hafts with brown...
(SIB) 'Arthur River Sunrise' 2009, Pohlman 'Arthur River Sunrise' ( Neal Pohlman, R. 2009). Seedling#NP20907. SIB, height 11" (28 cm), Early bloom. Standards and ...
(SIB) 'Atlantis' 1939, Spender 'Atlantis' (Maj. R.E.S. Spender, R. 1939) SIB. Midseason bloom. Color Class R1M. I. orientalis x unknown. Main.BobPries 20...
■(SIB) 'Avon' 1979, Varner 'Avon' (Steve Varner, R. 1978) Seedling V654. SIB, 38" (96 cm), Early to late bloom. Deep blue self; light blue stylearms. 'Cambridge' ...
(SIB) 'Awosting' 1934, Gersdorff 'Awosting' (Charles Gersdorff, R. 1934) SIB. Early midseason bloom. Color Class B9M. 'Perry's Blue' x 'Blue King'. Main.BobP...