| Botanical Name | Jeffersonia diphylla |
| Common Name | TWINLEAF, HELMET POD, GROUND SQUIRREL PEA |
| Genus | Jeffersonia |
| Exposure | Light Shade |
| Exposure | Half Shade |
| Exposure | Full Shade |
| Exposure | Deep Shade |
| Plant Size | 12" |
| Bloom Season | April |
| Bloom Season | May |
| Size Range | 6" - 12" |
| Size Range | 1ft - 2ft |
| Flower Color (Group) | White-Cream |
| Pot Size | 2-3/8" |
| USDA Hardiness Zone | 4: -20ºF through -30ºF |
| USDA Hardiness Zone | 5: -10ºF through -20ºF |
| USDA Hardiness Zone | 6: 0ºF through -10ºF |
| USDA Hardiness Zone | 7: 10ºF through 0ºF |
| USDA Hardiness Zone | 8: 20ºF through 10ºF |
| USDA Hardiness Zone | 9: 30ºF through 20ºF |
| Low Water | Yes |
| US Native | Yes |