| Plant Habit: | Herb/Forb |
| Life cycle: | Biennial |
| Sun Requirements: | Full Sun to Partial Shade |
| Water Preferences: | Wet Mesic Mesic |
| Soil pH Preferences: | Slightly acid (6.1 – 6.5) Neutral (6.6 – 7.3) Slightly alkaline (7.4 – 7.8) |
| Plant Height: | 2 to 8 feet or more |
| Leaves: | Other: Variable in size, lower leaves up to 12 inches long, upper leaves smaller |
| Fruit: | Other: Small seed heads containing flat, brown seeds |
| Flowers: | Showy |
| Flower Color: | Blue Other: Pale blue to whitish |
| Bloom Size: | Under 1" |
| Flower Time: | Late summer or early fall Fall |
| Underground structures: | Taproot |
| Toxicity: | Other: Leaves and stems and roots contain a milky sap that may cause contact dermatitis in some individuals |
