| Description | A series of Balloon flowers from Grimes Horticulture. |
|---|---|
| Pronunciation | (plat-ee-KO-don)(gran-dih-FLOR-us) |
| Plant Type | All Plants, Perennials Hardy |
| Hardiness Zone | 5 |
| Sunlight | prefers (best in) full sun, tolerates some shade |
| Moisture | averge |
| Soil & Site | average, well drained |
| Temperature | frost will nip the plant |
| Flowers | before opening the buds swell resembling an inflated balloon, 5 petals, broadly campanulated shape, 2.5 inches, 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 |
| 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 | Japan and China |
| Author's Notes | Make sure the plants spot is marked in the fall. It is one of the slowest of the perennials to emerge so they are easily damaged from early spring weeding. |
| 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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