The most common cultivars (here in Germany) are the members of the “Fuji” group: “Fuji-Blue”, “Fuji-Pink” and “Fuji-White”. They can reach 50 cm (19.69 inches) in height.
Platycodon “Fuji Blue”
Platycodon “Fuji Pink”
Platycodon “Fuji”
Platycodon grandiflorus