Stems produce lavender-blue, tubular flowers crowded together on the upper stem
| Scientific Name: | Lobelia siphilitica |
| Zone: | 3 |
| Light: | Sun |
| Height: | 24-36" |
| Width: | 12-24" |
| New Shape: | Upright |
| Foliage: | Green |
| Flower: | Blue |
| Bloom Time: | July-October |
Great Blue Lobelia
