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Northwest Territory Sedge

Carex utriculata

Last reviewed: June 2026

Northwest Territory Sedge (Carex utriculata)
Photo: Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich. / Wikimedia Commons (Public domain)

Light

part sun

Water

high

Size

12"–48" H × 6"–24" W

Bloom

May, Jun, Jul

Native to

AZ, CA, CO, CT and 25 more states

Northwest territory sedge is a tall, clumping wetland grass that forms dense colonies in consistently moist to wet soils. This deciduous sedge produces narrow green leaves and inconspicuous flower spikes in late spring through summer. It naturally occurs in marshes, wet meadows, and along water edges throughout much of North America.

In an HOA neighborhood

Northwest Territory Sedge takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Requires consistently wet conditions that may create drainage concerns
  • Can spread aggressively and look unkempt
  • Dies back completely in winter leaving bare patches

Wildlife value

This sedge provides nesting material and cover for waterfowl and marsh birds. The seeds feed various songbirds and waterfowl, while the dense growth offers shelter for small wildlife in wetland 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 Northwest Territory Sedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.