Giant Bur Reed
Sparganium eurycarpum
Native to Virginia. How scores work Is it native here?
Profile 88%
- Height
- 2–6 feet
- Light
- Full sun
- Soil moisture
- Wet
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
- Bloom
- June to August
Not yet recorded · Spread · Leaves
Recorded in 15 Virginia counties.
Who uses this plant?
8CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Sparganium
- Bellura obliquaCattail Border Moth, Cattail Diver
- Elophila icciusalisPondside Pyralid, Pondside Crambid
- Elophila obliteralisWaterlily Leafcutter Moth
- Nymphalis antiopaMourning Cloak
- Parapoynx badiusalisChestnut-Marked Pondweed Moth
- Parapoynx obscuralisObscure Pondweed Moth
- Parapoynx seminealisFloating-Heart Waterlilly Moth, Waterlily Casebearer
- Plusia putnamiPutnam's Looper Moth, Lempke's Gold Spot
8BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Sparganium
- Anas creccaGreen-winged Teal
- Anas platyrhynchosMallard
- Anas rubripesAmerican Black Duck
- Antigone canadensisSandhill Crane
- Aythya collarisRing-necked Duck
- Branta canadensisCanada Goose
- Cygnus olorMute Swan
- Fulica americanaAmerican Coot
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
Plant details
- Family
- Sparganiaceae
- Flower color
- White
What its natural habitat tells you
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “June to August” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- Flower color · “White” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- Height · “2–6 feet” · Minnesota Wildflowers (ranked first; Prairie Moon 2026 Cultural Guide differs)
- Life cycle · “Perennial” · Minnesota Wildflowers
- Light · “Full sun (6+ hours)” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- primary_flower_color · “white” · Prairie Moon 2026 Cultural Guide
- Soil · “Wet” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
Conservation status
| Virginia rank | S3 |
|---|---|
| Global rank | Not available |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- 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

