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Allegheny Onion

Allium allegheniense

Found in glades, barrens and outcrops on mafic or serpentine rock; glades, barrens and outcrops on limestone; granite and other acidic rock outcrops. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

67
Strong

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

Profile 76%

Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

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 and September
Fruiting season
August to October

Not yet recorded · Height · Spread · Leaves

Height: NC species account not read yet.

Spread and leaves: no source found yet.

Recorded in 2 West 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 3

Glades, barrens and outcrops on limestone

Cedar glade in the Pennyroyal Plain, Simpson County
Limestone cedar glade. Shown: Pennyroyal Plain, Simpson County, Kentucky, a neighboring state.Cedar glade in the Pennyroyal Plain, Simpson County, Mason Brock (Masebrock), undated. Public domain. Source record.

Glades, barrens and outcrops on mafic or serpentine rock

Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.

Granite and other acidic rock outcrops

Bare or thin-soil rock on granite, gneiss, sandstone, quartzite and similar acidic rock, including granite flatrocks and domes.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 39 animals.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

17CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Allium

  • Agrotis gladiariaSwordsman Dart, Clay-Backed Cut-Worm
  • Agrotis ipsilonIpsilon Dart, Black Cutworm, Greasy Cutworm
  • Anarta trifoliiThe Nutmeg, Clover Cutworm
  • Anicla infectaGreen Cutworm Moth
  • Archips argyrospilaFruit-Tree Leafroller Moth
  • Chrysodeixis includensSoybean Looper Moth
  • Estigmene acreaSalt Marsh Moth, Acrea Moth
  • Euxoa messoriaReaper Dart, Darksided Cutworm, Dark-Sided Cutworm
  • Euxoa tessellataTessellate Dart, Striped Cutworm
  • Feltia subterraneaSubterranean Dart, Granulate Cutworm
Show all 17
  • Melanchra pictaPainted Arches, Zebra Caterpillar Moth
  • Mythimna unipunctaArmyworm Moth, White Speck
  • Spilosoma virginicaVirginian Tiger Moth, Yellow Woolybear Moth, Yellow Bear
  • Spodoptera frugiperdaFall Armyworm Moth
  • Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
  • Xestia c-nigrumSpotted Cut-Worm, Setaceous Hebrew Character, Lesser Black-letter Dart
  • Xestia dolosaGreater Black-Letter Dart, Greater Spotted Cutworm
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
20BeesSoutheastern regional records

Southeastern regional records · Allium

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
0Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Allium

  • Alectoris chukarChukar
  • Meleagris gallopavoWild Turkey
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

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

Growing and identification

Plant details

Family
Alliaceae
Flower color
White or pink
Fruit begins
August
Fruit ends
October
Growing sources and scope

Conservation status

West Virginia rankS2
Global rankG3?
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources