Tansy Rosinweed
Silphium pinnatifidum
Found in limestone glades and woodlands, blackland prairies. FloraQuest, phone app (app page) What its natural habitat tells you
55
Strong
Native to Alabama. How scores work Is it native here?
Profile 94%
- Height
- Up to about 8 feet
- Light
- Full sun
- Soil moisture
- Dry to moist
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Perennial
- Bloom
- July to September
JFMAMJJASOND
Not yet recorded · Spread · Leaves
Recorded in 9 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
1 of 3
Glades, barrens and outcrops on limestone
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 84 animals.
- American GoldfinchCarduelis tristis
- American KestrelFalco sparverius
- American RobinTurdus migratorius
- Bank SwallowRiparia riparia
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Brown CreeperCerthia americana
- Brown ThrasherToxostoma rufum
- Brown-headed CowbirdMolothrus ater
- Cedar WaxwingBombycilla cedrorum
- Chipping SparrowSpizella passerina
- Common NighthawkChordeiles minor
- Cooper's HawkAccipiter cooperii
- Dark-eyed JuncoJunco hyemalis
- Double-crested CormorantPhalacrocorax auritus
- Downy WoodpeckerPicoides pubescens
- Eastern BluebirdSialia sialis
- Eastern KingbirdTyrannus tyrannus
- Eastern PhoebeSayornis phoebe
- Eastern Screech-owlMegascops asio
- Eurasian Collared-doveStreptopelia decaocto
- European StarlingSturnus vulgaris
- Golden-crowned KingletRegulus satrapa
Ecological relationships
Who uses this plant?
3CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Silphium
- Eucosma giganteanaGiant Eucosma
- Papaipema baptisiaeWild Indigo Borer, Indigo Stem Borer
- Papaipema nebrisStalk Borer
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
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Growing and identification
Plant details
- Family
- Asteraceae
- Flower color
- Yellow
Growing sources and scope
- Bloom · “July to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Yellow” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 8 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- primary_flower_color · “yellow” · Lady Bird Johnson Wildflower Center
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Prairie Dock
Conservation status
| Alabama rank | S2 |
|---|---|
| Global rank | Not available |
| AL status | Not verified |
| Federal status | Not verified |
In your garden
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Choose a county to begin.
Sources
- Alabama Plant Atlas
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- 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