Chic (FL)
Cholena (ČH)
Chopat (FL)
Choprom (FL)
Choť Pěstitele (ČH)
Chrissie McKellar (ČH)
Christel von der Post (ČH)
Christine Prior (FL,ČH)
Christopher Marlowe (ČH)
I. N. Kicunov (HI,S)
Ida Hoff (ČH)
Ida Klemm (S,PN)
Ideal Home (ČH)
IGA Erfurt (PH)
Igloo (PL)
II. Margit Dán Királynö (FL)
II. Rákóczi Ferenc Emléke (FL)
Ildikó (FL)
Ilma (FL)
Ilmenau (PL,PK)
Ilona (Verbeek) (ČH)
Ilse Krohn (PN,S)
Ilse Krohn Superior (PN)
Iluska (FL)
Iluze (ČH)
Imperator (FG,FL)
Inge Kläger (FL)
Ingrid Stenzig (PH,PL)
Ingrid Wendl Rose (FL,ČH)
Inka (ČH)
Intense Cover (MI,PK)
Interflora (ČH)
Interflora Strnad (ČH)
Irene of Danmark (FL)
Irene Thomson (ČH)
Irinyi János Emléke (PH,FL)
Irish Hope (FL)
Irish Modesty (ČH)
Irma (HI)
Irmela (FL)
Isfensegits (ČH)
Iskra (PN)
IV. Béla (PH,FL)
Ivánc (PH)
Ivory Compact Meidiland (PK,MI,FL)
J. B. Meilland (Sangerhausen) (ČH)
J. F. Müller (PH,FL)
J. G. Mendel (FL,S)
J. Š. Baar (ČH)
Jackaranda (ČH)
Jacket Jeria (MI)
Ják (PH,FL)
Jaltinskij Suvenir (ČH)
James Bond (FG)
Jan Böhm (ČH)
Jan Hus (ČH)
Jan Palach (FL,S)
Jan Spek (FL)
Jani (FL,ČH)
Janina (ČH)