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Few-seed Sedge

Carex oligosperma

Last reviewed: June 2026

Few-seed Sedge (Carex oligosperma)
Photo: Ayotte, Gilles, 1948- / Wikimedia Commons (CC BY-SA 4.0)

Light

part shade

Water

high

Size

8"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

IL, IN, ME, MI and 8 more states

Few-seed sedge is a clumping wetland sedge that forms neat, grass-like tufts in consistently moist to wet soils. This native sedge produces inconspicuous flower spikes in late spring through summer and maintains a tidy, upright appearance throughout the growing season.

In an HOA neighborhood

Few-seed 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 are difficult to maintain in typical landscapes
  • May look sparse or stressed without adequate moisture
  • Unfamiliar sedge appearance may be seen as unconventional

Wildlife value

This sedge provides habitat and food for various wetland wildlife, though it is not a significant pollinator plant due to its wind-pollinated nature.

Common questions

How much sun does Few-seed Sedge need?
Few-seed Sedge grows best in part shade conditions.
When does Few-seed Sedge bloom?
Few-seed Sedge blooms in May, June, and July.
Where is Few-seed Sedge native?
Few-seed Sedge (Carex oligosperma) is native to IL, IN, ME, MI and 8 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Few-seed Sedge HOA-friendly?
Few-seed Sedge takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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.

Ready to grow Few-seed Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz