Twotooth sedge
Carex serratodens
Last reviewed: September 2026
Twotooth sedge (Carex serratodens) is a perennial grass native to AZ, CA, OR.
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
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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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Twotooth sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.