Caption: "Platycodon grandiflorus 'Sentimental Blue', 2018 photo, Balloon Flower, , USDA Hardiness Zone 3-8, 3"" blue, Michigan Bloom Month 7a, In Garden Bed S4 for 7.0 YEARS (Lowe). Planted in 2011.A dwarf cultivar that grows to only 6-12in. tall. Flower buds sha