Plantae > Tracheophyta > Liliopsida > Poales > Cyperaceae > Scirpus > Scirpus cyperinus

Scirpus cyperinus (Woolly Grass Bulrush)

Synonyms: Eriophorum cyperinum; Eriophorum cyperinum f. condensatum; Eriophorum cyperinum f. grande; Eriophorum cyperinum var. atrocinctus; Eriophorum cyperinum var. eriophorum; Eriophorum cyperinum var. laxum; Eriophorum cyperinum var. pelium; Scirpus atrocinctus; Scirpus atrocinctus f. grandis; Scirpus atrocinctus var. grandis; Scirpus cyperinus f. andrewsii; Scirpus cyperinus f. cephaloideus; Scirpus cyperinus f. condensatus; Scirpus cyperinus f. confertus; Scirpus cyperinus f. congestus; Scirpus cyperinus var. andrewsii; Scirpus cyperinus var. condensatus; Scirpus cyperinus var. congestus; Scirpus cyperinus var. eriophorum; Scirpus cyperinus var. laxus; Scirpus cyperinus var. normalis; Scirpus cyperinus var. pelius; Scirpus cyperinus var. rubricosus; Scirpus eriophorum; Scirpus eriophorum f. praelongus; Scirpus eriophorum var. andrewsii; Scirpus eriophorum var. condensatus; Scirpus eriophorum var. cyperinus; Scirpus eriophorum var. laxus; Scirpus rubricosus; Scirpus rubricosus f. praelongus; Scirpus sylvaticus f. cephaloideus; Scirpus thyrsiflorus; Trichophorum cyperinum

Wikipedia Abstract

Scirpus cyperinus, commonly known as woolgrass, is a herbaceous emergent that is native to the eastern United States and eastern Canada. Other common names include cottongrass bulrush and brown woolly sedge.This sedge is very variable in appearance. In general, it produces short, tough rhizomes and grows in dense clumps. The fertile stems grow upright. There are five to ten leaves per stem. They are up to 80 centimeters long by 1 centimeter wide. The proximal ones have green or reddish sheaths.
View Wikipedia Record: Scirpus cyperinus


Height [3]  4.9 feet (1.5 m)
Allergen Potential [1]  Medium
Screening - Summer [2]  Moderate
Screening - Winter [2]  Porous
Hardiness Zone Minimum [2]  USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°)
Light Preference [2]  Mixed Sun/Shade
Soil Acidity [2]  Moderate Acid
Soil Fertility [2]  Intermediate
Water Use [2]  High
Flower Color [2]  Green
Foliage Color [2]  Green
Fruit Color [2]  Yellow
Fruit Conspicuous [2]  Yes
Bloom Period [2]  Late Summer
Drought Tolerance [2]  Low
Edible [3]  May be edible. See the Plants For A Future link below for details.
Fire Tolerance [2]  Medium
Flower Type [3]  Hermaphrodite
Frost Free Days [2]  3 months 20 days
Fruit/Seed Abundance [2]  Medium
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Fall
Growth Form [2]  Bunch
Growth Period [2]  Spring
Growth Rate [2]  Moderate
Leaf Type [2]  Deciduous
Lifespan [3]  Perennial
Pollinators [3]  Wind
Propagation [2]  Seed, Sprig
Regrowth Rate [2]  Slow
Root Depth [2]  12 inches (30 cm)
Seed Spread Rate [2]  Rapid
Seed Vigor [2]  Medium
Seeds Per [2]  35999928 / lb (79366320 / kg)
Shape/Orientation [2]  Erect
Structure [4]  Grass
Usage [3]  The stems are woven to make matting and ropes; The small rushes have been used in making woven mats and storage bags; The fruiting tops of the plant have been used as a resilient material for stuffing and making pillows;
Vegetative Spread Rate [2]  None
View Plants For A Future Record : Scirpus cyperinus

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Acadia National Park II 35996 Maine, United States
Algonquin Provincial Park IV 1868802 Ontario, Canada
Allegheny Portage Railroad Nat'l Hist. Site National Historic Site III 1152 Pennsylvania, United States
Assateague Island National Seashore II 8621 Maryland, United States
Big South Fork National River and Recreation Area National Recreation Area V 120283 Kentucky, Tennessee, United States
Blue Ridge Parkway National Parkway V 73611 North Carolina, Virginia, United States
Bruce Peninsula National Park II   Ontario, Canada
Cape Breton Highlands National Park II 234333 Nova Scotia, Canada  
Carolinian-South Atlantic Biosphere Reserve 310228 North Carolina, South Carolina, Georgia, United States      
Catoctin Mountain Park National Park II 5994 Maryland, United States
Central Gulf Coastal Plain Biosphere Reserve 40530 United States  
Chesapeake & Ohio Canal National Hist. Park National Historical Park V 19586 Maryland, District of Columbia, United States
Chippewa Nature Center   Michigan, United States    
Colonial National Historic Park National Historical Park V 9316 Virginia, United States
Cumberland Gap National Hist. Park National Historical Park V 24282 Kentucky, Tennessee, Virginia, United States
Edwin S. George Reserve 1297 Michigan, United States
Elk Island National Park II 47171 Alberta, Canada
Felsenthal National Wildlife Refuge VI 66133 Arkansas, United States
Fire Island National Seashore V 9433 New York, United States
Forillon National Park II 61010 Quebec, Canada  
Fort Donelson National Battlefield III 560 Tennessee, United States
Fundy National Park II 52716 New Brunswick, Canada
Gateway National Recreation Area V 1807 New Jersey, United States
George Washington Birthplace National Monument V 435 Virginia, United States
George Washington Memorial Parkway V   Virginia, United States
Georgian Bay Islands National Park II   Ontario, Canada
Gettysburg National Military Park V 3560 Pennsylvania, United States
Great Smoky Mountains National Park II 515454 North Carolina, Tennessee, United States
Great Swamp National Wildlife Refuge VI 3161 New Jersey, United States
Gros Morne National Park II 476632 Newfoundland, Canada
Gwaii Haanas National Park Reserve II 366714 British Columbia, Canada
Hobcaw Barony (North Inlet) National Estuarine Research Reserve 7585 South Carolina, United States
Hopewell Furnace National Historic Site III 861 Pennsylvania, United States
Horseshoe Bend National Military Park V 1926 Alabama, United States
Hubbard Brook Biosphere Reserve 7809 New Hampshire, United States
Indiana Dunes National Lakeshore II 8272 Indiana, United States
Isle Royale Biosphere Reserve Ib 571799 Michigan, United States
Johnstown Flood National Memorial VI 175 Pennsylvania, United States
Kejimkujik National Park II 94203 Nova Scotia, Canada
Kouchibouguac National Park II 59161 New Brunswick, Canada
La Mauricie National Park II 131706 Quebec, Canada
Lake Superior Provincial Park IV 351011 Ontario, Canada
Mammoth Cave Area Biosphere Reserve (Natn'l Park) National Park II 51235 Kentucky, United States
Moores Creek National Battlefield III 100 North Carolina, United States
National Capital Region - East National Park   District of Columbia, United States
Niagara Escarpment Biosphere Reserve 470167 Ontario, Canada  
Obed Wild and Scenic River National River and Wild and Scenic Riverway V 5268 Tennessee, United States
Oconee National Forest Botanical Reserve 306 Georgia, United States  
Pacific Rim National Park Reserve II 137900 British Columbia, Canada
Petersburg National Battlefield III 3338 Virginia, United States
Prince Albert National Park II 976762 Saskatchewan, Canada
Prince Edward Island National Park II   Prince Edward Island, Canada  
Prince William Forest Park 19378 District of Columbia, United States
Richmond National Battlefield Park III 1517 Virginia, United States
Riding Mountain Biosphere Reserve II 762028 Manitoba, Canada
Saint Lawrence Islands National Park II   Ontario, Canada
Saratoga National Historical Park   New York, United States
Shenandoah National Park II 108221 Virginia, United States
Shiloh National Military Park III 4061 Tennessee, United States
South Atlantic Coastal Plain Biosphere Reserve 20317 South Carolina, United States  
Southern Appalachian Biosphere Reserve 37548505 North Carolina, Tennessee, United States  
Tennessee River Gorge   Tennessee, United States
Upper Miss. River Nat'l Wildlife Refuge National Wildlife Refuge VI 25823 Illinois, Iowa, Wisconsin, United States
Wood Buffalo National Park II 11038545 Alberta, Canada
Woodland Caribou Provincial Wilderness Park Provincial Park II 1072124 Ontario, Canada



Euphyes dion (Dion Skipper)[5]
Meropleon diversicolor[5]
Aix sponsa (Wood Duck)[6]
Branta canadensis (Canada Goose)[6]
Ondatra zibethicus (muskrat)[6]


Shelter for 
Agelaius phoeniceus (Red-winged Blackbird)[6]
Ameiurus natalis (Yellow bullhead)[6]
Anas platyrhynchos (Mallard)[6]
Anax junius (green darner)[6]
Anguilla rostrata (American eel)[6]
Aquarius remigis (Common water strider)[6]
Ardea herodias (Great Blue Heron)[6]
Castor canadensis (american beaver)[6]
Charadrius vociferus (Killdeer)[6]
Geothlypis trichas (Common Yellowthroat)[6]
Ictalurus punctatus (Channel catfish)[6]
Ischnura posita (Fragile forktail)[6]
Libellula lydia (Common whitetail)[6]
Lithobates catesbeianus (American Bullfrog)[6]
Macrobdella decora (Freshwater leech)[6]
Micropterus salmoides (Northern largemouth bass)[6]
Notophthalmus viridescens (Eastern Newt)[6]
Odocoileus virginianus (white-tailed deer)[6]
Pomoxis nigromaculatus (Strawberry bass)[6]
Procyon lotor (Raccoon)[6]
Rattus norvegicus (Norway rat)[6]
Thamnophis sirtalis (Common Garter Snake)[6]
Aix sponsa (Wood Duck)[6]
Branta canadensis (Canada Goose)[6]
Ondatra zibethicus (muskrat)[6]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Dixon National Tallgrass Prairie Seed Bank


SC. & E. Canada to U.S.A., Mexico;



Attributes / relations provided by
1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
2USDA Plants Database, U. S. Department of Agriculture
3Plants For A Future licensed under a Creative Commons License
4Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
5HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
6Study of Northern Virginia Ecology
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
Chippewa Nature Center
Edwin S. George Reserve, University of Michigan, Department of Ecology and Evolutionary Biology
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access