Family: Campanulaceae
Scientific Name: Platycodon grandiflorus Astra series
Common Name: Astra series Ballon Flowers
Description | A series of shorter compact Balloon Flowers. Received a 4 out of 4 at the Chicago Botanic Garden trials. |
Pronunciation | (plat-ee-KO-don)(gran-dih-FLOR-us) |
Plant Type | All Plants, Perennials Hardy |
Hardiness Zone | 4-7 |
Sunlight | prefers (best in) full sun, tolerates some shade |
Moisture | aveage |
Soil & Site | average, well drained |
Temperature | frost will nip the plant |
Flowers | before opening the buds swell resembling an inflated balloon, 5 petals, broadly campanulate shape, 2.5 inches, starts blooming early July, colors: pink, blue, white, double blue |
Leaves | gray-green leaves, yellow fall color, |
Stems | erect floppy stems, bleed a milky sap when cut |
Roots | roots are light colored, deep, thick and brittle |
Dimensions | 8-10 inches tall, 6 inch spread, upright |
Maintenance | mark plant in fall because it emerges very late (early May) in the spring, dig a large clump when transplanting to avoid breaking the roots |
Propagation | seeds, difficult but not impossible to divide |
Native Site | Native to China and Japan |
Notes & Reference | #04-Herbaceous Perennial Plants (Allan Armitage), #40-Herbaceous Ornamental Plants (Steven Stills), #30-Gardening with Perennials Month by Month (Joseph Hudak), Chicago Botanical Gardens Plant Evaluation Notes |
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