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Longhair Sedge

Carex comosa

Last reviewed: June 2026

Longhair Sedge (Carex comosa)
Photo: Robert H. Mohlenbrock / Wikimedia Commons (Public domain)

Light

part sun

Water

high

Size

12"–48" H × 12"–24" W

Bloom

May, Jun, Jul, Aug

Native to

AL, AR, CA, CT and 21 more states

Browse plants for this ecoregion

Longhair sedge is a tall native grass that thrives in wet conditions and partial sun. It forms clumps of arching green foliage and produces distinctive bristly seed heads from late spring through summer. This sedge works well in rain gardens, pond edges, or any area with consistent moisture.

In an HOA neighborhood

Longhair Sedge 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.

  • Very tall and can appear unkempt
  • Spreads aggressively to form colonies
  • Deciduous foliage looks messy in winter

Wildlife value

This sedge provides nesting material and cover for birds, while its seeds feed waterfowl and songbirds. The dense clumps offer shelter for small wildlife in wet garden areas.

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