Silly Willy Tube color : red (53C) Sepal color : red (53C) Corolla color : dark purple (89B) Flower : semidouble Habitus : trailing Parentage : Patty Lou X La Campanella
Silver Highlight Tube color : white lined pink Sepal color : white, pink at tube Corolla color : white Flower : double Habitus : upright Parentage : Pinup X Saonie
Silvia Vangeel Tube color : white flushed pink (62C) striped darker Sepal color : white flushed pink (62C) Corolla color : dark purple (78A), light rose (73B) at base Flower : semidouble Habitus : trailing Parentage : Mariaklokje X Willie Tamerus
Simon Goossens Tube color : magenta (68A) Sepal color : light pink (62B), one-third of length light green (143C) towards tip Corolla color : light rose (68D) Flower : double Habitus : trailing Parentage : (La Campanella x Mrs. W. Rundle) X (La Campanella x Seventh Heaven)
Simon J. Rowell Tube color : dark rose (58C) Sepal color : dark rose (58C) Corolla color : magenta (68A) Flower : single Habitus : upright Parentage : Mrs. Lovell Swisher X unknown
Simon Laurent Tube color : light apple green (145C) Sepal color : light apple green (145D/C) Corolla color : white (155B) edged violet (86B) Flower : semidouble Habitus : upright Parentage : Mariam X Lena
Simone Cointat Tube color : pale pink (62D) Sepal color : rose to light rose (63C-D) Corolla color : magenta (63B) edged magenta (<63B), magenta (63A) at base Flower : single Habitus : upright Parentage : String of Pearls X Bon Accorde
Simone Delhommeau Tube color : white (155A) Sepal color : white to pale pink (56D) Corolla color : pink (48D) Flower : single Habitus : upright Parentage : Papy René X unknown
Simone Lomet Tube color : light pink (49C), pink ring near ovary Sepal color : light pink (49C) Corolla color : pink (62A) Flower : single Habitus : upright Parentage : Papy René X unknown
Simonneke Tube color : dark rose (48A) Sepal color : light rose (58D) tipped yellow green (144B) Corolla color : light red purple (73A) spotted magenta (58B), magenta (58B) at base Flower : double Habitus : trailing Parentage : Anna Dauling X unknown