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Engelmann's Spike-rush

Eleocharis engelmannii

Last reviewed: June 2026

Engelmann's Spike-rush (Eleocharis engelmannii)
Photo: National Museum of Natural History / Wikimedia Commons (CC0)

Light

full sun

Water

high

Size

4"–16" H × 2"–8" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, AZ, CA and 35 more states

Browse plants for this ecoregion

Sierra NevadaCentral California ValleyCentral California Foothills and Coastal MountainsCentral Oklahoma/Texas PlainsEdwards PlateauTexas Blackland PrairiesEast Central Texas PlainsSouth Central Plains

Engelmann's spikerush is a grass-like sedge that forms small clumps with thin, upright stems. It requires consistently wet conditions and produces small, inconspicuous flower spikes in summer. This plant is best suited for rain gardens, pond edges, or other water features.

In an HOA neighborhood

Engelmann's Spike-rush 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 very wet conditions unsuitable for typical landscaping
  • Grass-like appearance may be mistaken for weeds
  • High water needs conflict with typical landscape irrigation

Wildlife value

Wind-pollinated sedge that provides limited pollinator value but offers habitat for wetland wildlife. Seeds may attract some waterfowl and small birds.

Common questions

How much sun does Engelmann's Spike-rush need?
Engelmann's Spike-rush grows best in full sun conditions.
When does Engelmann's Spike-rush bloom?
Engelmann's Spike-rush blooms in June, July, and August.
Where is Engelmann's Spike-rush native?
Engelmann's Spike-rush (Eleocharis engelmannii) is native to AL, AR, AZ, CA and 35 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Engelmann's Spike-rush HOA-friendly?
Engelmann's Spike-rush 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 USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Engelmann's Spike-rush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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