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Beaked Spikerush

Eleocharis rostellata

Last reviewed: August 2026

Beaked Spikerush (Eleocharis rostellata)
Photo: (c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson

Toxicity unknown

Beaked Spikerush (Eleocharis rostellata) 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 Beaked Spikerush as toxic to livestock.

Light

part sun

Water

high

Size

4"–24" H × 2"–12" W

Bloom

Jun, Jul, Aug

Native to

AL, AZ, CA, CO and 33 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

Beaked spikerush is a native sedge that forms small clumps of thin, grass-like stems topped with small brown seed heads in summer. It requires consistently moist to wet soil conditions and thrives in rain gardens, bog areas, or along pond edges. This plant is best suited for specialized water features rather than typical landscape beds.

In an HOA neighborhood

Beaked Spikerush takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Requires wet conditions that are impractical for most landscapes
  • Can appear weedy or unkempt to unfamiliar viewers
  • Brown seed heads may look messy in formal settings

Wildlife value

The seeds provide food for waterfowl and songbirds, while the dense growth offers nesting habitat for small wetland birds. It supports various wetland insects and their larvae.

Common questions

How much sun does Beaked Spikerush need?
Beaked Spikerush grows best in part sun conditions.
When does Beaked Spikerush bloom?
Beaked Spikerush blooms in June, July, and August.
Where is Beaked Spikerush native?
Beaked Spikerush (Eleocharis rostellata) is native to AL, AZ, CA, CO and 33 more states, per the World Checklist of Vascular Plants (Kew).
Is Beaked Spikerush toxic to livestock?
The USDA PLANTS Database does not flag Beaked Spikerush as toxic to livestock.
Is Beaked Spikerush HOA-friendly?
Beaked Spikerush takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Beaked Spikerush? 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

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