| Scientific Name: | Equisetum hyemale |
| Common Name: | scouring rush, rough horsetail |
| Family Name: | Equisetaceae |
| Origin: | Central / west Asia, Europe, North America |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Aquatic plant, Semi-evergreen |
| Mature Size: | 0.7 - 1.3m x < 0.1m (height x width) |
| Habit: | Spreading |
| Form: | Columnar |
| Texture: | Medium - fine |
| Landscape Uses: | Cut flower or foliage, Waterside planting, Wetland - bogs, Winter interest |
| Exposure: | Full sun only if soil kept moist, Part sun/part shade, Filtered shade, Deep shade |
| Soil or Media: | Bog |
| Leaves: | Simple, Whorled, Soft flexible, Glabrous, Deltoid, Entire |
| Flowers: | |
| Fruit: | Sporangium (spores), Yellow, Brown, May-Jun-Jul |
| Key ID Features: | |
| Ornamental plant; evergreen stems straight up without branches, abrasive to touch; leaves reduced to whorls of microphylls at nodes; spores released from brown strobili at stem tips. | |