| Type |
Perennial |
| USDA Hardiness range |
4A - 8B |
| Exposure |
Full sun |
| Bloom color |
Blue, lavender |
| Bloom time |
Late Summer to Late Fall |
| Water needs |
Dry to moist |
| Landscape uses |
Border, rock garden, seashore |
| Height |
12" to 15" / 30cm to 40cm |
| Spread |
12" to 18" / 30cm to 45cm |
| Growth rate |
Moderate |
| Persistence |
Deciduous, broadleaf |
| Bloom attributes |
Attracts butterflies, suitable for cut flowers |
| Leaf color |
Green |
| Fruit color |
n/a |
| Soil pH requirements |
Neutral |
| Soil type |
Loamy |
| Form |
Upright or erect |
| Attributes and features |
Attracts birds, invasive, naturalizing |
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