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River Club-rush

Bolboschoenus fluviatilis

Last reviewed: June 2026

River Club-rush (Bolboschoenus fluviatilis)
Photo: Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute. / Wikimedia Commons (Public domain)

The USDA PLANTS Database (opens in new tab) does not flag River Club-rush as toxic to livestock.

Light

full sun

Water

high

Size

12"–48" H × 6"–24" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AZ, CA, CO and 33 more states

Pollinators

bees, flies

River club-rush is a tall, grass-like perennial that thrives in wet conditions and produces clusters of small brownish flowers from summer through early fall. This native sedge forms clumps and is well-suited for rain gardens, pond edges, or other consistently moist areas. It requires regular watering to maintain its lush appearance.

In an HOA neighborhood

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

Works well in: backyard only.

  • Grass-like appearance may look weedy to HOAs
  • High water needs conflict with typical landscape expectations
  • Can appear unkempt when not actively growing

Wildlife value

The summer and fall blooms attract bees and flies for pollination. The seeds provide food for waterfowl and other birds, while the dense growth offers shelter for small wildlife.

Common questions

How much sun does River Club-rush need?
River Club-rush grows best in full sun conditions.
When does River Club-rush bloom?
River Club-rush blooms in June, July, August, and September.
Where is River Club-rush native?
River Club-rush (Bolboschoenus fluviatilis) is native to AL, AZ, CA, CO and 33 more states, per the USDA PLANTS Database and regional native plant society lists.
Is River Club-rush toxic to livestock?
The USDA PLANTS Database does not flag River Club-rush as toxic to livestock.
What pollinators does River Club-rush attract?
River Club-rush draws bees and flies.
Is River Club-rush HOA-friendly?
River Club-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 River Club-rush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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