Plant Habit: | Herb/Forb |
Life cycle: | Biennial |
Water Preferences: | Mesic |
Minimum cold hardiness: | Zone 7b -15 °C (5 °F) to -12.2 °C (10 °F) |
Plant Height: | 4 feet |
Plant Spread: | 3 feet |
Flower Time: | Late spring or early summer |
Foliage Mound Height: | 1 foot |
Uses: | Dye production |
Pollinators: | Various insects |