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Fibrousroot Sedge

Carex communis

Last reviewed: October 2026

Fibrousroot Sedge (Carex communis)
Photo: Garrett Herbarium, Natural History Museum of Utah(UT:Botany); entire herbarium is public domain[1] / Wikimedia Commons (CC0)

Toxicity unknown

Fibrousroot Sedge (Carex communis) 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.

Light

part shade

Water

medium

Size

6"–18" H × 6"–12" W

Bloom

May, Jun

Native to

AL, AR, CT, DE and 23 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 459 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Eastern Temperate ForestsOzark HighlandsPiedmontWestern Corn Belt PlainsNorthern Lakes and ForestsNorth Central Hardwood ForestsDriftless AreaSoutheastern Wisconsin Till PlainsCentral Corn Belt PlainsEastern Corn Belt PlainsSouthern Michigan/Northern Indiana Drift PlainsHuron/Erie Lake PlainsNortheastern HighlandsNortheastern Coastal ZoneNorthern Allegheny PlateauErie Drift PlainNorthern ForestsMiddle Atlantic Coastal PlainNorthern PiedmontSoutheastern PlainsBlue RidgeRidge and ValleyCentral AppalachiansWestern Allegheny PlateauInterior PlateauInterior River Valleys and HillsAcadian Plains and HillsEastern Great Lakes LowlandsAtlantic Coastal Pine Barrens

Carex communis is a clumping sedge that forms neat, low mounds of narrow green foliage. This well-behaved native grass produces small, inconspicuous flowers in late spring and early summer. It's an excellent choice for shaded areas where traditional turf struggles.

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In an HOA neighborhood

Fibrousroot Sedge is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

This sedge provides nesting material and seeds for birds, while its foliage offers shelter for small wildlife. The flowers are wind-pollinated rather than insect-pollinated, so it has modest direct pollinator value.

Common questions

How much sun does Fibrousroot Sedge need?
Fibrousroot Sedge grows best in part shade conditions.
When does Fibrousroot Sedge bloom?
Fibrousroot Sedge blooms in May and June.
Where is Fibrousroot Sedge native?
Fibrousroot Sedge (Carex communis) is native to AL, AR, CT, DE and 23 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Fibrousroot Sedge HOA-friendly?
Fibrousroot Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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