Type | Perennial |
USDA Hardiness range | 4A - 8A |
Exposure | Full sun |
Bloom color | Blue, lavender |
Bloom time | Late Summer to Late Fall |
Water needs | Moist |
Landscape uses | Border, rock garden |
Height | 12" to 16" / 30cm to 40cm |
Spread | 18" to 24" / 45cm to 60cm |
Growth rate | Moderate |
Bloom attributes | Suitable for cut flowers |
Leaf color | Green |
Fruit color | Brown |
Soil pH requirements | Neutral |
Soil type | Sandy, clay, loamy |
Form | Rounded |
Attributes and features | Native to North America, naturalizing |