Perennials > Platycodon > Platycodon grandiflorus > Platycodon grandiflorus
Platycodon grandiflorus
Balloon Flower, Japanese Bellflower
Origin: Eastern Asia. The flower shape is, to borrow from the Greek origin of the name Platycodon, "broad bell" shaped. The ballon reference, on the other hand, relates to the way the flowers puff up just before opening.
| Family |
| Campanulaceae |
| Genus |
| Platycodon |
| Species |
| grandiflorus |
| Category |
| Perennials |
| Synonyms |
| Campanula glauca |
| USDA Hardiness Zone |
| 3 - 8 |
| Canadian Hardiness Zone |
| 1a - 7a |
| RHS Hardiness Zone |
| H5 - H7 |
| Temperature (°C) |
| -40 - (-9) |
| Temperature (°F) |
| -40 - 15 |
| Height |
| 30 - 70 cm |
| Spread |
| 30 - 45 cm |
Photographs
Cultivars
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Awards
Description and Growing Information
Flowering Period
| Landscape |
| Rock gardens, edging, containers. |
| Cultivation |
| This low maintenance herbaceous perennial requires medium water and between full sun to partial shade. |
| Growth |
| Medium |
| Pests |
| Slugs and snails are the main risk to Platycodon grandiflorus, though root rot is possible in soil that is too moist. |
| Notable Specimens |
| The Devonian Botanic Garden, Devon, Alberta, Canada. |
| Propagation |
| Growing from seed is the best method of propagation. |
| Ethnobotanical Uses (Disclaimer) |
| Though the roots and lower leaves are toxic, this plant is used in traditional Chinese medicine, and the roots, once properly processed, are used as an anti-inflammatory cough remedy. In Korea, the cooked roots are used as a salad ingredient. |
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