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Spreading Sedge

Carex laxiculmis

Last reviewed: August 2026

Spreading Sedge (Carex laxiculmis) is a perennial grass native to AL, AR, CT, DE and 24 more states. It blooms in May, June, and July. It reads as an intentional, HOA-friendly planting in the right spot.

Spreading Sedge (Carex laxiculmis)
Photo: Shaun Pogacnik / Wikimedia Commons (CC0)

Toxicity unknown

Spreading Sedge (Carex laxiculmis) 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

12"–24" H × 12"–24" W

Bloom

May, Jun, Jul

Native to

AL, AR, CT, DE and 24 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 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Ozark HighlandsPiedmontWestern Corn Belt PlainsNorthern Lakes and 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 ValleyEastern Temperate ForestsCentral AppalachiansWestern Allegheny PlateauInterior PlateauInterior River Valleys and HillsEastern Great Lakes LowlandsAtlantic Coastal Pine Barrens

White-edge sedge is a clumping native grass with arching blue-green foliage that forms neat, fountain-like mounds. This evergreen sedge produces small flowers in late spring and early summer, maintaining an attractive appearance year-round in partial shade gardens.

Growing Spreading Sedge

Grow Spreading Sedge in part shade and medium water. Mature plants reach 12 to 24 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Spreading 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 habitat and nesting material for birds, while its seeds feed various songbirds. As a native grass, it supports local ecosystems and offers shelter for beneficial insects.

Common questions

How much sun does Spreading Sedge need?
Spreading Sedge grows best in part shade conditions.
When does Spreading Sedge bloom?
Spreading Sedge blooms in May, June, and July.
Where is Spreading Sedge native?
Spreading Sedge (Carex laxiculmis) is native to AL, AR, CT, DE and 24 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Spreading Sedge HOA-friendly?
Spreading 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.

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

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