Platycodon grandiflorus, commonly called balloon flower, is a clump-forming perennial that is so named because its flower buds puff up like balloons before bursting open into outward-to-upward-facing, bell-shaped flowers with five pointed lobes. Plants are native to slopes and meadows in China, Japan, Korea and Siberia. Purple-blue flowers (to 2-3” across) bloom throughout summer, singly or in small clusters, atop stems typically growing to 30” tall. Ovate to lance-shaped, toothed, blue-green leaves (to 2” long). Roots of the plant has medicinal and culinary values.
Other Names: Chinese bellflower, doraji, toraji, showy medicinal plant, Campanula gentianoides, Campanula grandiflora, Platycodon autumnali, Platycodon mariesii, Platycodon sinensis