Starry Rosinweed
Silphium asteriscus var. asteriscus
Found in woodlands, roadsides. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. 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
- Perennial
- Bloom
- July to September
Not yet recorded · Spread · Leaves
Recorded in 15 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forest or woodland where the source does not say how moist or dry.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
5CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Silphium
- Eucosma giganteanaGiant Eucosma
- Hydraecia immanisHop Borer, Hop Vine Borer
- Papaipema baptisiaeWild Indigo Borer, Indigo Stem Borer
- Papaipema nebrisStalk Borer
- Tricholita notataX
36BeesSoutheastern regional records
Southeastern regional records · Silphium
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
7Specialist beesPollen specialists
Pollen specialists · Silphium
- Dianthidium curvatum
- Dieunomia heteropoda
- Megachile parallela
- Melissodes dentiventris
- Melissodes vernoniae
- Melissodes wheeleri
- Paranthidium jugatorium
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant 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 September” · 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 5 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · 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
- 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
Also known as
Starry Rosin Weed
Conservation status
| Virginia rank | SNR |
|---|---|
| Global rank | G5TNR |
| 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
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- 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

