Common Cotton-grass
Eriophorum angustifolium
Last reviewed: June 2026
Light
full sun
Water
high
Size
12"–36" H × 6"–18" W
Bloom
Apr, May, Jun, Jul
Native to
CO, IA, ID, IL and 15 more states
Common cotton-grass is a wetland sedge that produces distinctive white, fluffy seed heads resembling cotton balls in summer. This moisture-loving plant thrives in boggy conditions and wet soils where few other plants can survive.
In an HOA neighborhood
Common Cotton-grass takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires constantly wet soil conditions
- Has wild, unmaintained appearance
- Seed heads can look messy as they age
Wildlife value
The seeds provide food for waterfowl and wetland birds. The plant offers nesting material and habitat for marsh-dwelling wildlife.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Common Cotton-grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.