| Lobelia cardinalis Black Truffle | |
| Cardinal Flower | |
| No | |
| Full Sun to Part Sun; Moist to Wet moisture; Moist to wet soil. Water regularly the first season, then adjust to plant preference. | |
| North America | |
| Native Cultivar (Nativar) | |
| Yes | |
| Yes |
| 3 - 8 | |
| Hardy in USDA Zones 3–9; protect roots during establishment. | |
| Full Sun, Part Sun | |
| High Organic | |
| Fertilize Less Often | |
| Infrequent Monthly | |
| 2 - 4 ft | |
| 1 - 2 ft | |
| Narrow |
| Yes | |
| Longtime | |
| Mid-Summer | |
| None | |
| Violet | |
| Green Shades | |
| Green | |
| Green foliage | |
| Pollinators | |
| Woodland | |
| Native Garden | |
| Flower Interest | |
| Sun-Loving Perennials | |
| None | |
| Upright | |
| Average | |
| Spring, Summer | |
| Fall, Spring, Summer |
| Wet Soil | |
| Moist to wet / pond edge | |
| Water deeply during establishment; after established, water based on rainfall and soil moisture. | |
| Not Needed | |
| For Plant Health | |
| Low |