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Roan Mountain Rattlesnake-root

Nabalus roanensis

Found in mountain forests, grassy balds, at high elevations. FloraQuest, phone app (app page) What its natural habitat tells you

46
Good

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

Profile 88%

Height
Up to about 5 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Biennial
Bloom
August to October

Not yet recorded · Spread · Leaves

Recorded in 4 Virginia counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Mountain balds

Andrews Bald, Forney Ridge Trail, July 2020
Grassy mountain bald with shrub islands. Shown: Andrews Bald, Forney Ridge Trail, Swain County, North Carolina, a neighboring state.Andrews Bald, Forney Ridge Trail, July 2020, Andrea Walton / Great Smoky Mountains National Park, July 2020. Public domain. Source record.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 124 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Nabalus

  • Argyrotaenia marianaGray-Banded Leafroller Moth
  • Eupithecia fletcherataFletcher's Eupithecia
  • Paralobesia rhoifructana
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
9BeesSoutheastern regional records

Southeastern regional records · Nabalus

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
1Specialist beesPollen specialists

Pollen specialists · Nabalus

  • Colletes compactus
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
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Asteraceae
Flower color
Yellow or green

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

Growing sources and scope
  • Bloom · “August to October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Flower color · “Yellow or green” · Lady Bird Johnson Wildflower Center
  • Height · “Up to about 5 feet” · Lady Bird Johnson Wildflower Center
  • Life cycle · “Biennial” · Lady Bird Johnson Wildflower Center
  • Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Prenanthes roanensis; Roan Mountain Rattlesnake root; Roan Mountain Rattlesnakeroot

Conservation status

Virginia rankS3
Global rankG3
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Sources