Giant Arrowhead
Sagittaria montevidensis
Found in disturbed areas, marshes. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Florida. How scores work Is it native here?
Profile 59%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to wet

At a glance
- Bloom
- July
Not yet recorded · Height · Spread · Life cycle · Leaves
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 3 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
8CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · 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
- Spodoptera latifasciaOrange-Striped Armyworm, Velvet Armyworm Moth
- Bellura anoa
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
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
Plant details
- Family
- Alismataceae
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Sagittaria spatulata
Conservation status
| Florida rank | SNR |
|---|---|
| Global rank | G4G5 |
| FL status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Atlas of Florida Plants
- USDA PLANTS
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

