| Type |
Perennial |
| USDA Hardiness range |
3A - 9A |
| Exposure |
Partial shade to full sun |
| Bloom color |
Purple, white |
| Bloom time |
Late Spring to Mid Summer |
| Water needs |
Moist |
| Landscape uses |
Border, rock garden, woodland garden |
| Height |
12" to 36" / 30cm to 90cm |
| Spread |
n/a |
| Growth rate |
Moderate |
| Persistence |
Deciduous, broadleaf |
| Bloom attributes |
Attracts butterflies, suitable for cut flowers |
| Leaf color |
Green, silvery |
| Fruit color |
n/a |
| Soil type |
Sandy, loamy |
| Form |
Upright or erect |
| Attributes and features |
Attracts birds, invasive, naturalizing |
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