How much sun does Large Whorled Pogonia need?

Large Whorled Pogonia grows best in part shade conditions.

When does Large Whorled Pogonia bloom?

Large Whorled Pogonia blooms in May and June.

Where is Large Whorled Pogonia native?

Large Whorled Pogonia (Isotria verticillata) is native to AL, AR, CT, DE and 26 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Large Whorled Pogonia attract?

Large Whorled Pogonia draws bees.

Is Large Whorled Pogonia HOA-friendly?

Large Whorled Pogonia takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Large Whorled Pogonia

Name: Pollinator Patch
Author: Pollinator Patch

Isotria verticillata

Last reviewed: August 2026

Toxicity unknown

Large Whorled Pogonia (Isotria verticillata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

4"–12" H × 3"–8" W

Bloom

May, Jun

Native to

AL, AR, CT, DE and 26 more states

Pollinators

bees

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Piedmont Northeastern Highlands Northeastern Coastal Zone Erie Drift Plain Northern Forests Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Eastern Temperate Forests Central Appalachians Western Allegheny Plateau Mississippi Valley Loess Plains Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens

Large whorled pogonia is a rare native orchid that produces a single whorl of five or six leaves at the top of its stem. It blooms in late spring with a distinctive greenish-purple flower that sits above the leaf whorl, then goes dormant by midsummer.

In an HOA neighborhood

Large Whorled Pogonia takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Disappears completely by midsummer leaving bare spots
Extremely rare and unusual appearance may concern neighbors
Requires specialized growing conditions

Wildlife value

This orchid attracts small native bees during its brief blooming period. As a rare native plant, it contributes to local biodiversity when successfully established.

Common questions

How much sun does Large Whorled Pogonia need?: Large Whorled Pogonia grows best in part shade conditions.
When does Large Whorled Pogonia bloom?: Large Whorled Pogonia blooms in May and June.
Where is Large Whorled Pogonia native?: Large Whorled Pogonia (Isotria verticillata) is native to AL, AR, CT, DE and 26 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Large Whorled Pogonia attract?: Large Whorled Pogonia draws bees.
Is Large Whorled Pogonia HOA-friendly?: Large Whorled Pogonia takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Large Whorled Pogonia? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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