Bloomipedia
Western rattlesnake plantain (Goodyera oblongifolia)
Photo: Craig Martin via iNaturalist · CC0 · resized

Flower profile

Western rattlesnake plantain

Goodyera oblongifolia

Native in the lower 48

Western rattlesnake plantain is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 5 states, and across the U.S. it's most often seen in bloom in July–September.

16states
5of our state lists
17,458U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Idaho, Montana, Oregon, Washington, Wyoming

Quick look

Goodyera oblongifolia is a species of orchid known by the common names western rattlesnake plantain and giant rattlesnake plantain. It is native to much of North America, particularly in the mountains of the western United States and Canada, from Alaska to northern Mexico, as well as in the Great Lakes region, Maine, Quebec and the Canadian Maritime Provinces.

  • It belongs to the Orchidaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 16 states. USDA PLANTS
  • NatureServe lists it as native to Washington, Oregon, Montana, Idaho and Wyoming. NatureServe
  • In Washington, most iNaturalist sightings of it in flower come in July–August. iNaturalist
  • In Oregon, most iNaturalist sightings of it in flower come in July–September. iNaturalist
  • iNaturalist has 5,827 research-grade sightings of it in Washington, ranking #21 among the 110 flowers on our Washington list. iNaturalist
  • iNaturalist has 3,577 research-grade sightings of it in Oregon, ranking #42 among the 110 flowers on our Oregon list. iNaturalist
  • iNaturalist has 992 research-grade sightings of it in Montana, ranking #27 among the 109 flowers on our Montana list. iNaturalist

Western rattlesnake plantain gift ideas

Handmade western rattlesnake plantain gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (624 records)
Bloom time in each of our 5 states
StateTypePeak bloomSightings*
WashingtonNativeJuly–August5,827
OregonNativeJuly–September3,577
MontanaNativefew records992
IdahoNativefew records489
WyomingNativefew records303

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Washington
No list Washington has no state law listing endangered or threatened plants (the Washington Natural Heritage Program's rare plant list isn't regulatory), so we show NatureServe's Washington ranks instead. NatureServe: SNR, not yet ranked in Washington.
Oregon
Not listed Not on Oregon endangered and threatened plants (OAR 603-073-0070). NatureServe: SNR, not yet ranked in Oregon. OAR 603-073-0070
Montana
No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead. NatureServe: S4, apparently secure in Montana.
Idaho
No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe: SNR, not yet ranked in Idaho.
Wyoming
No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: S3, vulnerable in Wyoming.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: ME (S1), NE (S1), VT (SH). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Please leave it where it grows

Please don't pick or dig this flower: NatureServe ranks it S3 in Wyoming. NatureServe

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records Western rattlesnake plantain in 16 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alaska, Arizona, California, Colorado, Idaho, Maine, Michigan, Montana, Nebraska, New Mexico, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming.

Washington counties with USDA records: Chelan, Clallam, Columbia, Cowlitz, Island, Jefferson, King, Kitsap, Kittitas, Klickitat, Lewis, Mason, Okanogan, Pacific, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Snohomish, Stevens, Thurston, Walla Walla, Whatcom, Whitman, Yakima.

Oregon counties with USDA records: Baker, Benton, Clackamas, Clatsop, Coos, Curry, Deschutes, Douglas, Grant, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler.

Montana counties with USDA records: Beaverhead, Flathead, Gallatin, Lake, Park, Phillips, Sanders.

More Washington flowers

Sources