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Gulf coast spikerush

Eleocharis cellulosa

Last reviewed: September 2026

Gulf coast spikerush (Eleocharis cellulosa) is a perennial grass native to AL, AR, FL, GA and 5 more states. It blooms in April, May, June, July, and August.

Gulf coast spikerush (Eleocharis cellulosa)
Photo: (c) Jay Horn, some rights reserved (CC BY)

Toxicity unknown

Gulf coast spikerush (Eleocharis cellulosa) 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

full sun

Water

high

Size

12"–40" H × 12"–24" W

Bloom

Apr, May, Jun, Jul, Aug

Native to

AL, AR, FL, GA and 5 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 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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A leafless, rush-like wetland sedge with hollow, jointed green stems tipped by small brown spikelets. Spreads by rhizomes to form dense colonies in shallow marsh water, giving it an unmanicured, wild look.

Growing Gulf coast spikerush

Grow Gulf coast spikerush in full sun and high water. Mature plants reach 12 to 40 inches tall and spread 12 to 24 inches wide.

Wildlife value

Forms important shallow-marsh habitat structure used by wading birds and aquatic invertebrates.

Common questions

How much sun does Gulf coast spikerush need?
Gulf coast spikerush grows best in full sun conditions.
When does Gulf coast spikerush bloom?
Gulf coast spikerush blooms in April, May, June, July, and August.
Where is Gulf coast spikerush native?
Gulf coast spikerush (Eleocharis cellulosa) is native to AL, AR, FL, GA and 5 more states, per the World Checklist of Vascular Plants (Kew).

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 Gulf coast spikerush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.