Colour: Y-O
  Division: choose the division which most closely matches your specimen
  Cultivar:
 
  D2   D3  
    e.g. Armada (NB this is properly classified as D2 O-O, not D2 Y-O)     e.g. Rotrian (NB this is properly classified as D3 Y-R, not D3 Y-O)  
             
  D4   D5  
    e.g. Enterprise     e.g. Coleman's Relish  
             
  D6   D7  
    e.g. Velocity     e.g. Bunting