| Description | A taller Balloon flower. Received a 4 out of 4 rating by the Chicago Botanic Gardens plant trials. |
|---|---|
| Pronunciation | (plat-ee-KO-don) (gran-dih-FLOR-us) |
| Plant Type | All Plants, Perennials Hardy |
| Hardiness Zone | 4-9 |
| Sunlight | prefers full sun, tolerates some shade |
| Moisture | average |
| Soil & Site | average, well drained |
| Temperature | frost will nip the plant |
| Flowers | before opening the buds swell resembling an inflated balloon, blue, white, 5 petals, starts blooming early July |
| 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 | 1-2 feet tall, space 1-1.5 feet, I like to space closer so the plants will support each other |
| Maintenance | mark plants in fall, emerges very late (early May) in the spring, may need staking |
| Propagation | seeds, dig a large clump when transplanting to avoid breaking the roots |
| 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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