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Twotooth sedge

Carex serratodens

Last reviewed: September 2026

Twotooth sedge (Carex serratodens) is a perennial grass native to AZ, CA, OR.

Twotooth sedge (Carex serratodens)
Photo: (c) Steve Matson, some rights reserved (CC BY)

Toxicity unknown

Twotooth sedge (Carex serratodens) 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

high

Size

12"–24" H × 12"–24" W

Bloom

N/A

Native to

AZ, CA, OR

Before you buy

Your city may pay you to plant this

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Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Twotooth sedge.

A clump-forming sedge with narrow serrated-edge leaves. Grows in seeps, wet meadows, and along streambanks where it helps stabilize damp soil.

Growing Twotooth sedge

Grow Twotooth sedge in part sun and high water. Mature plants reach 12 to 24 inches tall and spread 12 to 24 inches wide.

Wildlife value

Provides cover for amphibians and invertebrates in seasonally wet habitats.

Common questions

How much sun does Twotooth sedge need?
Twotooth sedge grows best in part sun conditions.
Where is Twotooth sedge native?
Twotooth sedge (Carex serratodens) is native to AZ, CA, OR, per vouchered herbarium specimen records and regional native plant society lists.

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 Twotooth sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.