The ‘Sentimental Blue’ is a free-blooming perennial with large blue flowers. The Platycodon, which is said to be a “Balloon Flower”, is a dwarf plant with glossy green foliage.
Bloom Time: Summer.
Growth Habit: Dwarf, 6-10″ in height.
Foliage: Glossy, Green.
Sun/Shade: Sun, Partial Shade.
Hardiness Zones: 3-9.