Spanish-needles
Bidens bipinnata
In the Carolinas and Georgia, found in floodplains, disturbed areas, gardens, fields, roadsides, ditches. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Louisiana (estimated). How scores work Is it native here?
Profile 94%
- Height
- Up to about 5 feet
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
At a glance
- Life cycle
- Annual
- Bloom
- July to October
Not yet recorded · Spread · Leaves
Recorded in 44 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
22CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Bidens
- Cecropterus lyciadesHoary Edge
- Cecropterus pyladesNorthern Cloudywing
- Cirrhophanus trianguliferGoldenrod Stowaway, Beggarticks Seedcropper
- Condica concisaConcise Groundling
- Condica confederataThe Confederate
- Condica mobilisMobile Groundling
- Dichomeris juncidellaOrange-Dotted Dichomeris
- Epiblema abruptanaAbrupt Epiblema
- Epiblema otiosanaBidens Borer Moth
- Eupithecia miserulataCommon Eupithacia, Common Pug
Show all 22
- Homoeosoma electellaSunflower Moth
- Nathalis ioleDainty Sulphur, Dwarf Yellow
- Palthis asopialisFaint-Spotted Palthis
- Papaipema nebrisStalk Borer
- Platynota stultanaOmnivorous Leafroller
- Pyrausta tyralisCoffee-Loving Pyrausta
- Scopula aemulataRival Wave
- Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
- Spodoptera eridaniaSouthern Armyworm Moth
- Spodoptera frugiperdaFall Armyworm Moth
- Synchlora frondariaSouthern Emerald
- Urbanus proteusLong-Tailed Skipper, Bean Leaf Roller
76BeesSoutheastern regional records
Southeastern regional records · Bidens
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
8Specialist beesPollen specialists
Pollen specialists · Bidens
- Andrena aliciae
- Andrena chromotricha
- Dianthidium curvatum
- Dieunomia heteropoda
- Megachile inimica
- Megachile parallela
- Megachile xylocopoides
- Melissodes denticulatus
10BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Bidens
- Acanthis flammeaCommon Redpoll
- Aix sponsaWood Duck
- Anas platyrhynchosMallard
- Callipepla californicaCalifornia Quail
- Colinus virginianusNorthern Bobwhite
- Dendrocygna bicolorFulvous Whistling-Duck
- Fulica americanaAmerican Coot
- Plectrophenax nivalisSnow Bunting
- Porzana carolinaSora
- Rallus limicolaVirginia Rail
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
Flies 2
- Siphona geniculata
- Trichophora ruficauda
Flower visits · Carlinville, Illinois, USA
No records yet · Ants · Beetles · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Asteraceae
- Flower color
- White or yellow
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “White or yellow” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 5 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Spanish Needles
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | G5 |
| LA 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
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Louisiana occurrence source
- 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