Northern Blue Cohosh
Caulophyllum giganteum
Found in rich moist forests. 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 28 inches
- Light
- Full shade
- Soil moisture
- Dry to moist

At a glance
- Life cycle
- Perennial
- Bloom
- April to May
- Fruiting season
- July to August
Not yet recorded · Spread · Leaves
Recorded in 14 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 110 animals.
- Acadian FlycatcherEmpidonax virescens
- American CrowCorvus brachyrhynchos
- American GoldfinchCarduelis tristis
- American KestrelFalco sparverius
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Belted KingfisherMegaceryle alcyon
- Black VultureCoragyps atratus
- Black-and-White WarblerMniotilta varia
- Black-billed CuckooCoccyzus erythropthalmus
- Black-capped ChickadeePoecile atricapillus
- Black-throated Blue WarblerDendroica caerulescens
- Black-throated Green WarblerDendroica virens
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Blue-headed VireoVireo solitarius
- Broad-winged HawkButeo platypterus
- Brown CreeperCerthia americana
- Brown ThrasherToxostoma rufum
Who uses this plant?
3CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Caulophyllum
- Clepsis melaleucanusBlack-Patched Clepsis, Trillium Tortrix
- Crocigrapha normaniNorman's Quaker
- Eugonobapta nivosariaSnowy Geometer
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Berberidaceae
- Flower color
- Red, yellow, purple or brown
- Fruit begins
- July
- Fruit ends
- August
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Red, yellow, purple or brown” · Lady Bird Johnson Wildflower Center
- Fruit begins · “July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Height · “Up to about 28 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Full shade (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Giant Blue Cohosh
Conservation status
| Virginia rank | S4 |
|---|---|
| Global rank | G4G5 |
| 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
- 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

























