(SIB) 'La Blanchefleur' 1943, Spender 'La Blanchefleur' ( Maj. R.E.S. Spender, R. 1943) SIB. Early to midesason bloom. Color Class WW. I. orientalis x 'Snow Que...
(SIB) 'Lactea' 1876, Van Houtte 'Lactea' (Louis Benoît Van Houtte, 1876) SIB. Color Class W1. See below: * * References References: Awaiting original cata...
(SIB) 'Lady Northcliffe' Pre 1918, Perry 'Lady Northcliffe' ( Amos Perry, pre 1918) SIB. Color Class B1L. See below: * * References References: From Carl...
(SIB) 'Lake Niklas' 1997, Berlin 'Lake Niklas' ( Eckard Berlin, R. 1981) Seedling 44 B 1/2. SIB (28 chrom.), 39" (100 cm), Early to late bloom. Standards blue vio...
(SIB) 'Lake Ontario' 1939, Craigie 'Lake Ontario' ( Dr. E. H. Craigie, R. 1939) SIB. Midseason bloom. Color Class B1M. 'Nipigon' x 'White Dove'. Main.RPries ...
■(SIB) 'Lake Superior' 1939, Craigie 'Lake Superior' ( Dr. E. H. Craigie, R. 1939) SIB. Midseason bloom. Color Class B7D. 'Gatineau' x 'Caesar'. See below: ...
(SIB) 'Lalasa' 1934, Gersdorff 'Lalasa' ( Charles Gersdorff, R. 1934) SIB. Late bloom. Color Class B3L. 'Perry's Blue' x 'Blue King'. Main.RPries 2011 03 0...
(SIB) 'Lalua' 1934, Gersdorff 'Lalua' ( Charles Gersdorff, R. 1934) SIB. Late bloom. Color Class B1D. 'Blue King' x 'Perry's Blue'. Main.RPries 2011 03 07
(SIB) 'Langthorns Pink' prior to 1987, Cannon 'Langthorns Pink' (P. D. Cannon by Jennifer Hewitt, R. 1996) SIB, 31" (78 cm), Early midseason bloom. Small flowe...
■(SIB) 'Last Act' 1985, McEwen 'Last Act' ( Currier McEwen, R. 1985). Seedling T4 78/174. SIB (tet.), 30" (75 cm), Late to very late bloom. Standards medium viole...
■(SIB) 'Laugh Out Loud' 2006, Hollingworth 'Laugh Out Loud' (Robert Hollingworth, R. 2006). Seedling 01W1B4. SIB (diploid), 28" (71 cm), Midseason to late bloom. ...
■(SIB) 'Liberty Hills' 1989, Miller 'Liberty Hills' (Anna Mae Miller, R. 1988). Seedling 78 14 1. SIB, 32" (81 cm), Midseason to late bloom. Mid violet blue (RHS ...
■(SIB) 'Life Is Good' 2010, Cole 'Life Is Good' (Dean Cole, R. 2008) Seedling DC 02 45 14. SIB (tet.), 32" (81 cm). Early bloom. Standards light lavender, small a...
■(SIB) 'Light Of Heart' 2007, Hollingworth 'Light of Heart' ( Robert Hollingworth, R. 2007). Seedling 01W3A7. SIB (dip.), 34" (86 cm), Midseason to late bloom. St...
■(SIB) 'Lights Of Paris' 1967, Rich 'Lights Of Paris' (Rex Rich, R. 1966). SIB, 40" (102 cm), Late bloom. Color Class WlY, White self with deep yellow hafts. Unkn...
■(SIB) 'Lime Street Blues' 2014, Schafer/Sacks 'Lime Street Blues' ( Marty Schafer and Jan Sacks, R. 2014). Seedling S07 41 13. SIB, 26" (66 cm), Midseason to lat...
■(SIB) 'Limeheart' 1970, Brummitt 'Limeheart' (Marjorie Brummitt, R. 1968). Seedling 17/7. SIB, 39" (99 cm), Midseason bloom. Color Class WlG, White self, green h...
■(SIB) 'Limnytsia' 2023, Lukava 'Limnytsia' (Iryna Lukava, R. 2023) Seedling 17#293e, SIB, 22.8" (58 cm), Midseason late bloon. Standards blue with dark blue vein...
■(SIB) 'Lithuanian Amber' 1999, Zliobiene 'Lithuanian Amber' ( V. Zliobiene by Edmundas Kondratas, R. 1999). SIB, 41" (105 cm), Very early bloom. Standards white,...
(SIB) 'Little Moo' 1993, Buchanan by Wood 'Little Moo' (Ruby Buchanan by John Wood, R. 1992) SIB, 10" (25 cm), Late bloom. Violet blue (RHS 94A) self. Parentage u...
(SIB) 'Little Red' 1977, Vaughn 'Little Red' (Kevin Vaughn, R. 1976) Seedling CWR 1. SIB, 18" (46 cm), Midseason to late bloom. Dark red violet self with small wh...
■(SIB) 'Llanberis' 1988, Foster 'Llanberis' (Harry Foster, R. 1988) Seedling 12/78/230. SIB diploid), 30" (76 cm). Early midseason to late bloom. Ruffled dark ...
■(SIB) 'Llewellyn' 1929, Cleveland 'Llewellyn' ( Frances Cleveland, R. 1929) SIB. Color Class B1L. See below: * * References References: From Treholme Gard...
(SIB) 'Lolona' 1942, Gersdorff 'Lolona' ( Charles Gersdorff, R. 1942) SIB. Midseason late bloom. Color Class B1M. 'Caesar's Brother' x 'Mountain Lake'. Main....