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Eastern Rough Sedge

Carex scabrata

Last reviewed: August 2026

Eastern Rough Sedge (Carex scabrata)
Photo: Wikimedia Commons (Public domain)

Toxicity unknown

Eastern Rough Sedge (Carex scabrata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag Eastern Rough Sedge as toxic to livestock.

Light

part shade

Water

high

Size

12"–36" H × 6"–18" W

Bloom

May, Jun, Jul

Native to

CT, DE, GA, IN and 21 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 437 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Eastern rough sedge is a clumping native grass that forms neat, upright tufts of green foliage. It thrives in moist, shaded areas and produces small, inconspicuous flower spikes in late spring and early summer.

In an HOA neighborhood

Eastern Rough Sedge 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.

  • Grass-like appearance may be mistaken for weeds
  • Requires consistently moist soil which can be difficult to maintain
  • May look unkempt during dormant season

Wildlife value

This sedge provides habitat and nesting material for small birds and supports various native insects. The seeds are eaten by songbirds and waterfowl.

Common questions

How much sun does Eastern Rough Sedge need?
Eastern Rough Sedge grows best in part shade conditions.
When does Eastern Rough Sedge bloom?
Eastern Rough Sedge blooms in May, June, and July.
Where is Eastern Rough Sedge native?
Eastern Rough Sedge (Carex scabrata) is native to CT, DE, GA, IN and 21 more states, per the World Checklist of Vascular Plants (Kew).
Is Eastern Rough Sedge toxic to livestock?
The USDA PLANTS Database does not flag Eastern Rough Sedge as toxic to livestock.
Is Eastern Rough Sedge HOA-friendly?
Eastern Rough 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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

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