| Scientific Name: | Scirpus cyperinus |
| Common Name: | woolgrass |
| Family Name: | Cyperaceae |
| Origin: | Canada - eastern, U.S. - northeast |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Herbaceous perennial, Poales (grass-like) |
| Mature Size: | 1.3 - 2.0m x 0.6 - 1.0m (height x width) |
| Habit: | Spreading, Stiffly upright, Upright |
| Form: | Oval - vertical |
| Texture: | Medium - fine |
| Landscape Uses: | Aquatic - ponds, Fall interest, Waterside planting, Wetland - bogs, Wildlife food |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Bog |
| Leaves: | Simple, Grass-like, Alternate, Basal, Soft flexible, Parallel venation, Glabrous, Linear, Serrulate |
| Flowers: | Spikelet, Green, Brown, Jun-Jul |
| Fruit: | Achene, Dark-red, Brown, Aug-Sep, (Persistent) |
| Key ID Features: | |
| Leaves basal and then 5-10 alternating up the flowering stem, grass-like, 22-80cm long x 3-12mm wide; flowers, small and not showy, in umbel-like inflorescence; fruit woolly, reddish brown achenes in arching umbels. | |