Bloomipedia
Large-flowered triteleia (Triteleia grandiflora)
Photo: Matt Lavin via iNaturalist · CC BY 4.0 · resized

Flower profile

Large-flowered triteleia

Triteleia grandiflora

Native in the lower 48

Large-flowered triteleia is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 3 states, and across the U.S. it's most often seen in bloom in April–June.

8states
3of our state lists
4,427U.S. sightings*

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

On our lists for: Idaho, Montana, Washington

Quick look

Triteleia grandiflora is a species of flowering plant known by the common names largeflower triteleia, largeflower tripletlily, and wild hyacinth.

  • It belongs to the Asparagaceae 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 8 states. USDA PLANTS
  • NatureServe lists it as native to Washington, Idaho and Montana. NatureServe
  • In Washington, most iNaturalist sightings of it in flower come in April–June. iNaturalist
  • In Idaho, most iNaturalist sightings of it in flower come in May–June. iNaturalist
  • USDA PLANTS lists its flower color as blue. USDA PLANTS
  • USDA PLANTS gives its bloom period as mid spring. USDA PLANTS
  • USDA PLANTS lists a mature height of about 2 ft. USDA PLANTS
  • iNaturalist has 1,967 research-grade sightings of it in Washington, ranking #100 among the 110 flowers on our Washington list. iNaturalist
  • iNaturalist has 704 research-grade sightings of it in Idaho, ranking #36 among the 109 flowers on our Idaho list. iNaturalist
  • iNaturalist has 473 research-grade sightings of it in Montana, ranking #96 among the 109 flowers on our Montana list. iNaturalist

Large-flowered triteleia gift ideas

Handmade large-flowered triteleia gifts from independent makers.

🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.

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    Large-flowered triteleia art print

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    Large-flowered triteleia greeting card

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    Large-flowered triteleia mug

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    Large-flowered triteleia earrings

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    Large-flowered triteleia embroidery pattern

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    Large-flowered triteleia sticker

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When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (2,044 records)
Bloom time in each of our 3 states
StateTypePeak bloomSightings*
WashingtonNativeApril–June1,967
IdahoNativeMay–June704
MontanaNativeMay–July473

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.
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.
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.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: CA (S1), CO (S1), WY (S2). (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 large-flowered triteleia in 8 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

California, Colorado, Idaho, Montana, Oregon, Utah, Washington, Wyoming.

Washington counties with USDA records: Asotin, Chelan, Douglas, Garfield, Grant, Klickitat, Pend Oreille, San Juan, Skamania, Spokane, Stevens, Walla Walla, Whitman, Yakima.

Idaho counties with USDA records: Ada, Adams, Bannock, Bear Lake, Boise, Bonneville, Caribou, Clark, Elmore, Franklin, Fremont, Gem, Idaho, Kootenai, Latah, Lemhi, Lewis, Nez Perce, Owyhee, Payette, Teton, Twin Falls, Valley, Washington.

Montana counties with USDA records: Flathead, Gallatin, Lewis and Clark, Mineral, Powell, Sanders, Stillwater, Teton, Yellowstone.

More Washington flowers

Solomon's plume (false Solomon's seal) (Maianthemum racemosum)

Solomon's plume (false Solomon's seal)

Maianthemum racemosum

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🌼 Blooms in WA: April–July
Star-flowered lily-of-the-valley (Maianthemum stellatum)

Star-flowered lily-of-the-valley

Maianthemum stellatum

Native

🌼 Blooms in WA: April–July
Western Lily of the Valley (Maianthemum dilatatum)

Western Lily of the Valley

Maianthemum dilatatum

Native

🌼 Blooms in WA: May–June

Sources