Sturdy bulrush
Bolboschoenus robustus
Last reviewed: September 2026
Sturdy bulrush (Bolboschoenus robustus) is a perennial grass native to AL, AR, CA, CT and 17 more states. It blooms in June, July, and August.
Toxicity unknown
Sturdy bulrush (Bolboschoenus robustus) 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
24"–60" H × 24"–48" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, CA, CT and 17 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.
Find rebates in your areaBrowse plants for this ecoregion
A coarse, colony-forming sedge with triangular stems and brown, clustered spikelets, growing from thick rhizomes in tidal and brackish marshes. Spreads readily to form dense stands in wet, saline soils.
Growing Sturdy bulrush
Grow Sturdy bulrush in full sun and high water. Mature plants reach 24 to 60 inches tall and spread 24 to 48 inches wide.
Wildlife value
The starchy tubers are an important food source for waterfowl, and the dense stands provide nesting and nursery habitat for marsh birds and fish.
Common questions
- How much sun does Sturdy bulrush need?
- Sturdy bulrush grows best in full sun conditions.
- When does Sturdy bulrush bloom?
- Sturdy bulrush blooms in June, July, and August.
- Where is Sturdy bulrush native?
- Sturdy bulrush (Bolboschoenus robustus) is native to AL, AR, CA, CT and 17 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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Sturdy bulrush? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.