River Club-rush
Bolboschoenus fluviatilis
Last reviewed: June 2026

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.
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.
Does River Club-rush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.