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Woolgrass Bulrush

Scirpus cyperinus

Found in marshes, ditches, beaver ponds, disturbed wet ground. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

45
Good

Native to Mississippi. How scores work Is it native here?

Profile 100%

Height
3–6 feet
Spread
2–4 feet
Light
Full sun, Partial shade
Soil moisture
Somewhat dry to moist

Space about 3 ft apart from its recorded spread, about 11 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
Late summer
Fruiting season
Summer to fall

Not yet recorded · Leaves

Recorded in 63 Mississippi counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 3

Freshwater marshes

Open, herb-covered wetlands with fresh, non-tidal water.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Ponds, lakes and their shores

Still water and its edges: ponds, lakes, millponds and reservoirs.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 70 animals.

Widespread birds also seen here (41)

Found in many habitats here, so not listed above.

All wildlife of Mississippi

Ecological relationships

Who uses this plant?

What these records mean

12CaterpillarsGenus host records with ranges including MS

Genus host records with ranges including MS · Scirpus

  • Bactra furfuranaRush Bactra
  • Bactra verutanaJavelin Moth
  • Euphyes dionDion Skipper, Sedge Skipper
  • Globia oblongaOblong Sedge Borer Moth, Large Noagria
  • Ledaea perditalisLost Owlet, 3-Stripe Cephalanthus caterpillar, Buttonbush Owlet
  • Neonympha areolataGeorgia Satyr, Helicta Satyr
  • Neonympha mitchelliiMitchell's Satyr
  • Bactra maiorina
  • Cosmopterix attenuatella
  • Cosmopterix ebriola
Show all 12
  • Cosmopterix scirpicola
  • Donacaula dispersella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
21BirdsRecorded eating Scirpus in Mississippi

Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Mississippi, most records first.

Show all 21
Avian Diet Database (Hurlbert Lab)

Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Birds that eat Scirpus 21

Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.

Growing and identification

Plant details

Family
Cyperaceae
Hardiness
Zones 4a–8b
Flower color
Brown/copper or red
Growth rate
Moderate
Growth habit
Grows in clumps
Foliage color
Green
Fruit begins
Summer
Fruit ends
Fall

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “Late summer” · USDA PLANTS (ranked first; Prairie Moon 2026 Cultural Guide differs) · Nationwide species characteristics; local growing conditions may vary
  • Flower color · “Brown/copper or red” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
  • Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth habit · “Grows in clumps” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Hardiness · “Zones 4a–8b” · NC Extension Plant Toolbox
  • Height · “3–6 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, USDA PLANTS, Prairie Moon 2026 Cultural Guide differ)
  • Life cycle · “Perennial” · NC Extension Plant Toolbox
  • Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia Cooperative Extension, Virginia DCR Coastal Plain, Prairie Moon 2026 Cultural Guide differ)
  • Soil · “Moist; Occasionally dry; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Virginia Cooperative Extension, Virginia DCR Coastal Plain, Prairie Moon 2026 Cultural Guide differ)
  • Spread · “2–4 feet” · NC Extension Plant Toolbox
Also known as

Wool Grass Bulrush

Conservation status

Mississippi rankS5
Global rankG5
MS statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Growing cautions

For planning only; these do not change the score or Fit.

Sources