The deep purple-black leaves and bold red flowers of 'Black Truffle' make an electric combination. Hummingbirds will love this native plant that adds a jolt of color to the late summer garden.
| Perennial | |
| Lobelia | |
| Cardinal Flower | |
| Zone 5 | |
| 4-6+ hours | |
| Clay, Loam, Moist, Wet | |
| 36-48" | |
| 24-36" | |
| Fall, Summer | |
| Red | |
| Rapid | |
| Narrow, Upright | |
| Plant-tone | |
| Foliage | |
| Yes | |
| Yes | |
| Yes | |
| Yes | |
| Ligularia, Chelone, Astilbe |