Plant Habit: | Herb/Forb |
Life cycle: | Perennial |
Sun Requirements: | Full Sun to Partial Shade |
Water Preferences: | Mesic |
Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
Maximum recommended zone: | Zone 8b |
Plant Height: | 4 to 6 feet |
Plant Spread: | 1 to 2 feet |
Leaves: | Deciduous |
Flowers: | Showy |
Flower Color: | Purple |
Bloom Size: | Under 1" |
Flower Time: | Late summer or early fall Fall |
Underground structures: | Rhizome |
Wildlife Attractant: | Bees Butterflies |
Awards and Recognitions: | RHS AGM |