Bolboschoenus robustus

Bull tule, formerly Scirpus robustus

  • Height:   3 ft - 5 ft
  • Life Cycle:   perennial
  • Growth Type:   shrub
  • Flower Size:   minute
  • Inflorescence Size:   < 1 in
  • Flower Type:   clustered
  • Bloom Type:   summer - fall
  • Flower Color:   brown
  • Native to California:   YES
  • California Range:   coast - inland
  • Water Requirements:   high
  • Salt Tolerance:   high
  • Characteristics / Comments:   found in washes/riparian areas
  • Fire Resistant / Low Fuel:   TRUE
  • Average Live Seed per Bulk Pound:   103,800
  • 3498
  • 3499

Taxon report data from Calflora

Recommended Source for Photos:

View Bolboschoenus robustus at

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Bolboschoenus robustus

Common Name:Sturdy bullrush

Bolboschoenus robustus, a angiosperm, is a perennial grass that is native to California.

US Distribution:
Plant Community(s):Freshwater Marsh (note: this has been expanded to include all freshwater wetlands), Coastal Salt Marsh, Alkali Sink

Name Status:

Recognized as current in TJM2 + PLANTS + JM93

County distribution list:

Alameda, Butte, ContraCosta, Colusa, Fresno, Humboldt, Imperial, Los Angeles, Marin, Mendocino, Merced, Mono, Monterey, Napa, Orange, Riverside, Sacramento, Santa Barbara, San Bernardino, Santa Clara, Santa Cruz, San Diego, San Luis Obispo, San Mateo, Siskiyou, Solano, Sonoma, Sutter, Tehama, Ventura

See a detailed Distribution Grid of this plant in Calfornia.

Links: USDA Plants Profile | Jepson Herbarium

Website references on Google

Bloom Months
(Blooming months in blue)