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Three-angle Spikerush

Eleocharis tricostata

Found in wet pine savannas, natural depression ponds, clay-based Carolina bays. FloraQuest, phone app (app page) What its natural habitat tells you

37
Good

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

Profile 88%

Height
Up to about 2 feet
Light
Full sun
Soil moisture
Moist to wet
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to September

Not yet recorded · Spread · Leaves

Recorded in 19 Florida counties.

Natural habitats

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

1 of 2

Pine savannas

Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.

Depression ponds and limesinks

Shallow ponds in Coastal Plain depressions, such as limesinks and the ponds in some Carolina bays, that rise and fall with the seasons.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 102 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

7CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Eleocharis

  • Bactra furfuranaRush Bactra
  • Cisseps fulvicollisYellow-Collared Scape Moth
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Donacaula dispersella
  • Eoparargyractis floridalis
  • Thopeutis forbesellus
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
14BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Eleocharis

  • Agelaius phoeniceusRed-winged Blackbird
  • Anas creccaGreen-winged Teal
  • Anas rubripesAmerican Black Duck
  • Anser caerulescensSnow Goose
  • Antigone canadensisSandhill Crane
  • Aythya collarisRing-necked Duck
  • Branta canadensisCanada Goose
  • Dendrocygna bicolorFulvous Whistling-Duck
  • Fulica americanaAmerican Coot
  • Gallinula galeataCommon Gallinule
Show all 14
  • Mareca americanaAmerican Wigeon
  • Mareca streperaGadwall
  • Porzana carolinaSora
  • Spatula cyanopteraCinnamon Teal
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. 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

Growing and identification

Plant details

Family
Cyperaceae
Flower color
Green or brown

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

Growing sources and scope
  • Bloom · “July to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
  • Height · “Up to about 2 feet” · Lady Bird Johnson Wildflower Center
  • Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
  • Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Three angle Spikerush

Conservation status

Florida rankSNR
Global rankG4
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources