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Grassy Arrowhead

Sagittaria graminea

Found in marshes, ponds, freshwater and oligohaline tidal marshes. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

53
Strong

Native to West Virginia. How scores work Is it native here?

Profile 94%

Height
Up to about 3 feet
Spread
1–1.5 feet
Light
Partial shade, Full sun
Soil moisture
Moist to standing water

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
May to November

Not yet recorded · Leaves

Recorded in 1 West Virginia county.

Natural habitats

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

1 of 2

Freshwater marshes

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

Ponds, lakes and their shores

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

All habitats

Ecological relationships

Who uses this plant?

What these records mean

6CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Sagittaria

  • Acronicta oblinitaSmeared Dagger
  • Argyrogramma verrucaGolden Looper
  • Bellura obliquaCattail Border Moth, Cattail Diver
  • Elophila icciusalisPondside Pyralid, Pondside Crambid
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx obscuralisObscure Pondweed Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
11BeesSoutheastern regional records

Southeastern regional records · Sagittaria

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
11BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Aix sponsaWood Duck
  • Anas platyrhynchosMallard
  • Anser caerulescensSnow Goose
  • Antigone canadensisSandhill Crane
  • Aythya affinisLesser Scaup
  • Aythya collarisRing-necked Duck
  • Aythya valisineriaCanvasback
  • Bucephala clangulaCommon Goldeneye
  • Fulica americanaAmerican Coot
  • Gallinula galeataCommon Gallinule
Show all 11
  • Mareca americanaAmerican Wigeon
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
Alismataceae
Hardiness
Zones 4–10
Flower color
White or yellow

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

Growing sources and scope
Also known as

Grass Leaf Arrow Head

Conservation status

West Virginia rankS4
Global rankG5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources