Large Whorled Pogonia
Isotria verticillata
In the Carolinas and Georgia, found in acidic, moist to dry forests, less typically seeps and bogs. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Arkansas. How scores work Is it native here?
Profile 82%
- Height
- ranges from about 2 to 16 inches in height
- Light
- Deep shade, Full sun, Partial shade
- Soil moisture
- Dry to wet

At a glance
- Life cycle
- Perennial
- Bloom
- March to July
- Fruiting season
- April to October
Not yet recorded · Spread · Leaves
Recorded in 17 Arkansas counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forests on moist but not wet ground, such as rich slopes and ravines.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 125 animals.
- Acadian FlycatcherEmpidonax virescens
- Alder FlycatcherEmpidonax alnorum
- American Black DuckAnas rubripes
- American GoldfinchCarduelis tristis
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- Bell's VireoVireo bellii
- Belted KingfisherMegaceryle alcyon
- Black-and-White WarblerMniotilta varia
- Black-crowned Night-heronNycticorax nycticorax
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Broad-winged HawkButeo platypterus
- Brown CreeperCerthia americana
- Brown ThrasherToxostoma rufum
- Brown-headed CowbirdMolothrus ater
- Canada GooseBranta canadensis
- Cedar WaxwingBombycilla cedrorum
- Cerulean WarblerDendroica cerulea
- Chimney SwiftChaetura pelagica
- Chipping SparrowSpizella passerina
- Cliff SwallowPetrochelidon pyrrhonota
- Common NighthawkChordeiles minor
Who uses this plant?
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Orchidaceae
- Hardiness
- Zones 3b–10b
- Soil pH
- Acidic
- Flower color
- Yellow or green
- Fruit begins
- April
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “March to July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Yellow or green” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Fruit begins · “April” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 3b–10b” · NC Extension Plant Toolbox
- Height · “ranges from about 2 to 16 inches (4-40 cm) in height” · Fire Effects Information System: Isotria verticillata (ranked first; Lady Bird Johnson Wildflower Center differs) · Source botanical description; original units and scope retained
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Deep shade (less than 2 hours to no direct sunlight); Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil · “Dry; Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil pH · “Acidic” · Lady Bird Johnson Wildflower Center
Conservation status
| Arkansas rank | SNR |
|---|---|
| Global rank | G5 |
| AR 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
- Atlas of the Vascular Plants of Arkansas (2013)
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Arkansas occurrence source
- 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

























