| Madwort | |
| German Madwort | |
| Catchweed |
| Plant Habit: | Grass/Grass-like |
| Life cycle: | Perennial |
| Water Preferences: | Wet Dry Mesic |
| Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
| Maximum recommended zone: | Zone 9b |
| Flowers: | Nocturnal |
| Flower Color: | Bi-Color |
| Flower Size: | 2"-3" |
| Flower Time: | Late winter and early spring Late summer or early fall Winter |
| Conservation status: | Endangered (EN) |
