Mosquito Bulrush
Scirpus hattorianus
Last reviewed: July 2026
Light
full sun
Water
high
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug
Native to
CT, IL, IN, MA and 15 more states
Mosquito bulrush is a native sedge that forms compact clumps of slender, grass-like foliage. It produces small, inconspicuous brown flower clusters during summer months and thrives in consistently moist to wet conditions.
In an HOA neighborhood
Mosquito Bulrush 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 consistently wet conditions that may create drainage concerns
- Sedge appearance may be mistaken for weedy grass
- Very specialized growing requirements limit placement options
Wildlife value
This plant provides habitat and nesting material for wetland birds and small wildlife. The seeds offer food for waterfowl and songbirds in late summer and fall.
Common questions
- How much sun does Mosquito Bulrush need?
- Mosquito Bulrush grows best in full sun conditions.
- When does Mosquito Bulrush bloom?
- Mosquito Bulrush blooms in June, July, and August.
- Where is Mosquito Bulrush native?
- Mosquito Bulrush (Scirpus hattorianus) is native to CT, IL, IN, MA and 15 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Mosquito Bulrush HOA-friendly?
- Mosquito Bulrush 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 Mosquito Bulrush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz