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Tussock Cotton-grass

Eriophorum vaginatum

Last reviewed: June 2026

Tussock Cotton-grass (Eriophorum vaginatum)
Photo: Elke Freese / Wikimedia Commons (CC BY-SA 3.0)

Light

part shade

Water

high

Size

12"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

CT, IN, MA, ME and 9 more states

Tussock cotton-grass forms compact, evergreen clumps with narrow leaves and distinctive white, cotton-like seed heads that appear in late spring through summer. This native sedge thrives in consistently moist to wet soils and partial shade conditions. The fluffy seed heads create an attractive textural element in the landscape.

In an HOA neighborhood

Tussock Cotton-grass takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Requires consistently wet soil conditions that may be difficult to maintain
  • Cotton-like seed heads may appear weedy to traditional landscaping preferences
  • Growth habit may look unkempt compared to conventional ornamental grasses

Wildlife value

The seed heads provide nesting material for birds, and the plant offers habitat for wetland-associated insects. While not a major pollinator plant, it supports the broader wetland ecosystem.

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 Tussock Cotton-grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.