More Information
| Botanical Name |
Platycodon grandiflorus |
| Seeds Per Pack |
25 |
| Life Cycle |
Perennial |
| Min. Time to Germinate |
15 Days |
| Max. Time to Germinate |
30 Days |
| Depth to Sow Seeds |
Surface Sow; press seeds gently into the soil to make good contact, but do not cover with any additional soil; these seeds require light to germinate |
| When to Sow |
Indoors 6-8 weeks before last spring frost |
| Growing Height |
6-12 in. (15-30 cm) |
| Plant Spacing |
9-12 in. (22-30 cm) |
| Hardiness |
USDA Zone 3a: to -35F, USDA Zone 3b: to -30F, USDA Zone 4a: to -25F, USDA Zone 4b: to -20F, USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F |
| Sun Exposure |
Full Sun, Sun to Partial Shade |
| Danger |
N/A |
| Bloom Color |
Medium Blue, White/Near White |
| Bloom Time |
Late Summer/Early Fall, Mid-Summer |
| Foliage |
Herbaceous |
| Other Details |
Average Water Needs; Water regularly; do not overwater |
| Soil pH Requirements |
6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline) |
| Propagation Methods |
By dividing the rootball, From seed; direct sow after last frost, From seed; sow indoors before last frost |
| Seed Collecting |
Allow pods to dry on plant; break open to collect seeds |
Whimsical flower buds look like hot air balloons that pop open to purple and white star-shaped flowers. Perfect for the front of the border, or as an accent in containers or rock gardens.