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Brown Sedge

Carex subfusca

Last reviewed: August 2026

Brown Sedge (Carex subfusca)
Photo: (c) Matt Lavin, some rights reserved (CC BY)

Toxicity unknown

Brown Sedge (Carex subfusca) 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 sun

Water

medium

Size

8"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

AZ, CA, ID, NM and 4 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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Carex subfusca is a compact sedge that forms neat clumps with fine-textured foliage. This native grass maintains a tidy appearance throughout the growing season and produces subtle flower spikes in late spring and summer.

In an HOA neighborhood

Brown 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 cover and nesting material for small birds and beneficial insects. The seeds offer food for songbirds and small mammals in late summer and fall.

Common questions

How much sun does Brown Sedge need?
Brown Sedge grows best in part sun conditions.
When does Brown Sedge bloom?
Brown Sedge blooms in May, June, and July.
Where is Brown Sedge native?
Brown Sedge (Carex subfusca) is native to AZ, CA, ID, NM and 4 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Brown Sedge HOA-friendly?
Brown 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

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

Planning a bed around it? Start a free plan with this plant

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