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Bebb Sedge

Carex bebbii

Last reviewed: September 2026

Carex bebbii, or Bebb sedge, is a clumping grass-like perennial that blooms from May through July and grows well in wet meadows, marshes and moist prairies with part sun and steady moisture.

Bebb Sedge (Carex bebbii)
Photo: Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich. 1998. Field guide to Intermountain sedges. General Technical Report RMS-GTR-10. USDA Forest Service, RMRS, Ogden. Courtesy of USDA FS RMRS Boise Aquatic Sciences Lab.

Toxicity unknown

Bebb Sedge (Carex bebbii) 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.

The USDA PLANTS Database (opens in new tab) does not flag Bebb Sedge as toxic to livestock.

Light

part sun

Water

medium

Size

12"–36" H × 6"–18" W

Bloom

May, Jun, Jul

Native to

AZ, CO, CT, IA 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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Bebb's sedge is a native grass that forms neat clumps with narrow green leaves. This low-maintenance perennial produces small brown flower spikes in late spring and summer, creating subtle texture in the landscape.

Growing Bebb Sedge

Grow Bebb Sedge in part sun and medium water. Mature plants reach 12 to 36 inches tall and spread 6 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

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

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

  • Goes dormant in winter turning brown

Wildlife value

This sedge provides habitat and nesting material for birds, while its seeds feed various songbirds and waterfowl. The dense clumps offer shelter for small wildlife and beneficial insects.

Common questions

When does Carex bebbii bloom?
Bebb sedge typically flowers from May through July, producing small brownish spikes clustered at the top of the stem.
What growing conditions does Bebb sedge prefer?
It does best in consistently moist to wet soil with part sun, and is commonly found along stream banks, in wet meadows, and in marshy low spots.
Is Carex bebbii a true grass?
No. It is a sedge in the family Cyperaceae, but its narrow leaves and clumping form give it a grass-like appearance in the landscape.
Does Carex bebbii attract pollinators?
Like most sedges, Carex bebbii is wind-pollinated and does not depend on insects for pollination, so it has no notable pollinator relationships.
Is Bebb Sedge toxic to livestock?
The USDA PLANTS Database does not flag Bebb Sedge as toxic to livestock.
Is Bebb Sedge HOA-friendly?
Bebb Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). 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 Bebb Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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