Prairie Broomweed
Amphiachyris dracunculoides
In the Carolinas and Georgia, found in limestone glades, disturbed areas over calcareous rocks; also rarely eastwards as a wool-combing mill waif (Nesom 2004d). Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native status unresolved in Louisiana. How scores work Is it native here?
Profile 71%
- Height
- Up to about 6 feet
- Light
- Full sun
- Soil moisture
- Dry to moist
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At a glance
- Life cycle
- Annual
- Bloom
- July to October
Not yet recorded · Spread · Leaves
Recorded in 1 Louisiana parish.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Glades, barrens and outcrops on limestone
Open, thin-soil openings and rock on limestone, dolomite or other lime-rich rock, including cedar glades.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
3CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Amphiachyris
- Chlorochlamys chloroleucariaBlackberry Looper Moth
- Narraga fimetariaGreen Broomweed Looper Moth
- Schinia chrysellusChrysellus Flower Moth
—BeesSoutheastern regional records
—Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claimPlant details
- Family
- Asteraceae
- Flower color
- 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 · “Yellow” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 6 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- primary_flower_color · “yellow” · Lady Bird Johnson Wildflower Center
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | Not available |
| 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
- 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