Bloomipedia
Grasswidow (Olsynium douglasii)
Photo: Cindy Bell via iNaturalist · CC BY 4.0 · resized

Flower profile

Grasswidow

Olsynium douglasii

Native to Washington

Grasswidow is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Washington it's most often seen in bloom in February–May.

6states
2,219WA sightings*
4,160U.S. sightings*

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

On our lists for: Washington

Quick look

Olsynium douglasii is a species of flowering plant in the iris family (Iridaceae). Common names include Douglas' olsynium, Douglas' grasswidow, grass-widow, blue-eyed grass, purple-eyed-grass, and satin flower, It is the only species in the genus Olsynium in North America, the remaining 11 species being from South America. It was formerly treated in the related genus Sisyrinchium.

  • It belongs to the Iridaceae 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 6 states. USDA PLANTS
  • NatureServe lists it as native to Washington. NatureServe
  • In Washington, most iNaturalist sightings of it in flower come in February–May. iNaturalist
  • iNaturalist has 2,219 research-grade sightings of it in Washington, ranking #83 among the 110 flowers on our Washington list. iNaturalist

Grasswidow gift ideas

Handmade grasswidow gifts from independent makers.

When does it bloom?

In Washington, most flowering sightings come in February–May.

Flowering records by month in Washington (iNaturalist research-grade observations marked “Flowering”) (702 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G4 Apparently 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.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: UT (S1). (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.

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 grasswidow in 6 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

California, Idaho, Nevada, Oregon, Utah, Washington.

Washington counties with USDA records: Asotin, Chelan, Clallam, Columbia, Garfield, Island, Kittitas, Klickitat, Lincoln, Pend Oreille, San Juan, Skagit, Skamania, Spokane, Stevens, Walla Walla, Whitman, Yakima.

More Washington flowers

Sources