| Equisetum robustum | |
| Giant Horsetail | |
| No | |
| Best grown in full sun to part shade with wet moisture. | |
| Full Sun to Part Shade; Wet moisture; Pond planting media or consistently wet soil. Water regularly the first season, then adjust to plant preference. | |
| Garden origin / cultivated selection | |
| Locally Native | |
| No | |
| Yes |
| 4 - 9 | |
| Hardy in USDA Zones 4–9; protect roots during establishment. | |
| Full Sun | |
| High Organic | |
| 6 - 8 | |
| 3 - 6 ft | |
| 2 - 4 ft | |
| Medium | |
| 2 - 4 ft |
| No | |
| None | |
| Green | |
| Green foliage | |
| Aquatic area | |
| Water Garden | |
| Water Garden | |
| Spreading | |
| Average | |
| Fall, Spring, Summer |
| Wet Soil | |
| Moist to wet / pond edge | |
| Keep soil consistently wet or submerged according to plant type. | |
| Low | |
| Place at the recommended pond depth, remove spent foliage, and divide or thin as needed to control spread. |