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Arrowhead Rattlebox

Crotalaria sagittalis

55
Strong

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

Profile 94%

Height
4–16 inches
Light
Full sun
Soil moisture
Dry to somewhat dry
Will it fit your yard?

At a glance

Life cycle
Annual
Bloom
July to September

Not yet recorded · Spread · Leaves

Recorded in 63 Virginia counties.

Ecological relationships

Who uses this plant?

What these records mean

7CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Crotalaria

  • Amyna strictaEight-Spot Moth
  • Callophrys irusThe Hoary Elfin, Bog Elfin?, Frosted Elfin
  • Gesta baptisiaeWild Indigo Duskywing, Baptisia Duskywing
  • Helicoverpa zeaCorn Earworm Moth
  • Phoebis sennaeCloudless Sulphur
  • Spodoptera frugiperdaFall Armyworm Moth
  • Utetheisa ornatrixOrnate Moth, Pink Underwing, Rattlebox Moth, Bella Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
14BeesSoutheastern regional records

Southeastern regional records · Crotalaria

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
2BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Columbina passerinaCommon Ground Dove
  • Zenaida macrouraMourning Dove
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
Fabaceae
Flower color
Yellow

What its natural habitat tells you

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

Growing sources and scope

Conservation status

Virginia rankS5
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources