| Plant Habit: | Herb/Forb |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun Full Sun to Partial Shade |
| Water Preferences: | Wet Mesic |
| Soil pH Preferences: | Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8) |
| Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
| Maximum recommended zone: | Zone 8b |
| Plant Height: | 1-3 feet |
| Fruit: | Other: Clusters of 4 egg-shaped nutlets. |
| Flowers: | Showy |
| Flower Color: | Lavender |
| Bloom Size: | Under 1" |
| Flower Time: | Late spring or early summer Summer Late summer or early fall |
| Underground structures: | Rhizome |
