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Carex flava (Yellow sedge)
Smith, R.W.

Carex flava

Carex flava L.

Yellow Sedge

Cyperaceae (Sedge Family)

Synonym(s): Carex flava var. fertilis, Carex flava var. gaspensis, Carex flava var. graminis, Carex flava var. laxior, Carex flava var. rectirostra, Carex nevadensis ssp. flavella

USDA Symbol: CAFL4

USDA Native Status: L48 (N), AK (N), CAN (N), SPM (N)

Spiky retrorse heads. Attracts insects and other small wildlife. (Ontario Native Plants 2002)


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like

Bloom Information

Bloom Color: Not Applicable
Bloom Time: Jun , Jul , Aug
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.


USA: AK , CT , ID , IN , MA , ME , MI , MN , MT , NH , NJ , NY , OH , PA , RI , VA , VT , WA , WI , WY
Canada: NB , NL , NS , ON , PE
Native Habitat: Prairie/Meadow/Field,Rocky Bluff,Lakeshores

Growing Conditions

Light Requirement: Sun
Soil Moisture: Moist
Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

North American Native Plant Society - Etobicoke, ON

Additional resources

USDA: Find Carex flava in USDA Plants
FNA: Find Carex flava in the Flora of North America (if available)
Google: Search Google for Carex flava


Record Modified: 2012-07-03
Research By: TWC Staff

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