
Flower profile
Star-flowered lily-of-the-valley
Maianthemum stellatum
Star-flowered lily-of-the-valley is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 12 states, and across the U.S. it's most often seen in bloom in March–June.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Colorado, Idaho, Illinois, Michigan, Montana, North Dakota, Oregon, South Dakota, Utah, Washington, Wisconsin, Wyoming
Quick look
Maianthemum stellatum (star-flowered, starry, or little false Solomon's seal, or simply false Solomon's seal; star-flowered lily-of-the-valley or starry false lily of the valley; is a species of flowering plant, native across North America. It has been found in northern Mexico, every Canadian province and territory except Nunavut, and in every US state except Hawaii and the states of the Southeast.
- 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 40 states. USDA PLANTS
- In Oregon, most iNaturalist sightings of it in flower come in April–July. iNaturalist
- In Michigan, most iNaturalist sightings of it in flower come in April–June. iNaturalist
- iNaturalist has 3,148 research-grade sightings of it in Oregon, ranking #48 among the 110 flowers on our Oregon list. iNaturalist
- iNaturalist has 2,671 research-grade sightings of it in Michigan, ranking #59 among the 111 flowers on our Michigan list. iNaturalist
- iNaturalist has 2,302 research-grade sightings of it in Washington, ranking #80 among the 110 flowers on our Washington list. iNaturalist
Star-flowered lily-of-the-valley gift ideas
Handmade star-flowered lily-of-the-valley 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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Star-flowered lily-of-the-valley art print
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Star-flowered lily-of-the-valley greeting card
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Star-flowered lily-of-the-valley mug
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Star-flowered lily-of-the-valley earrings
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Star-flowered lily-of-the-valley embroidery pattern
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Star-flowered lily-of-the-valley sticker
When does it bloom?
Bloom time in each of our 12 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Oregon | Native | April–July | 3,148 |
| Michigan | Native | April–June | 2,671 |
| Washington | Native | April–July | 2,302 |
| Wisconsin | Native | May–June | 2,212 |
| Illinois | Native | April–May | 2,165 |
| Colorado | Native | May–June | 2,137 |
| Utah | Native | April–July | 1,212 |
| Idaho | Native | April–June | 918 |
| Montana | Native | May–June | 877 |
| Wyoming | Native | May–July | 510 |
| South Dakota | Native | few records | 425 |
| North Dakota | Native | few records | 151 |
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
- 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
- Michigan
- Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). NatureServe: SNR, not yet ranked in Michigan. R 299.1028
- 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.
- Wisconsin
- Not listed Not on Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03). NatureServe: SNR, not yet ranked in Wisconsin. NR 27.03
- Illinois
- Not listed Not on Illinois List of Endangered and Threatened Flora (17 Ill. Adm. Code 1050), per the Endangered Species Protection Board's 2025 checklist. NatureServe: S3, vulnerable in Illinois. IL E&T checklist 2025
- Colorado
- No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead. NatureServe: S5, secure in Colorado.
- Utah
- No list Utah has no state law listing endangered or threatened plants, so we show NatureServe's Utah ranks instead. NatureServe: SNR, not yet ranked in Utah.
- 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: S5, secure in Montana.
- Wyoming
- No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: S5, secure in Wyoming.
- South Dakota
- No list South Dakota's endangered and threatened list (ARSD 41:10:02) covers animals only, so we show NatureServe's South Dakota ranks for plants. NatureServe: SNR, not yet ranked in South Dakota.
- North Dakota
- No list North Dakota has no state law listing endangered or threatened plants, so we show NatureServe's North Dakota ranks instead. NatureServe: SNR, not yet ranked in North Dakota.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: AR (S1), DC (S1), KS (S2), KY (S1), MD (S2), OK (SH), TN (S1), VA (S1), WV (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.
Please don't pick or dig this flower: NatureServe ranks it S3 in Illinois. NatureServe
Can you eat it?
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.
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 star-flowered lily-of-the-valley in 40 states plus Washington, D.C.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming; District of Columbia.
Oregon counties with USDA records: Baker, Benton, Clackamas, Clatsop, Coos, Crook, Curry, Deschutes, Douglas, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Morrow, Multnomah, Polk, Sherman, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, Yamhill.
Michigan counties with USDA records: Alcona, Alger, Allegan, Alpena, Antrim, Arenac, Baraga, Barry, Bay, Benzie, Berrien, Branch, Calhoun, Cass, Charlevoix, Cheboygan, Chippewa, Clare, Crawford, Eaton, Emmet, Grand Traverse, Gratiot, Hillsdale, Huron, Ingham, Ionia, Iosco, Isabella, Jackson, Kalamazoo, Kent, Lapeer, Leelanau, Lenawee, Livingston, Mackinac, Manistee, Marquette, Mason, Mecosta, Menominee, Midland, Monroe, Montcalm, Muskegon, Oakland, Oceana, Osceola, Oscoda, Ottawa, Presque Isle, Saginaw, Sanilac, Schoolcraft, Shiawassee, St. Clair, Tuscola, Van Buren, Washtenaw, Wayne.
Washington counties with USDA records: Adams, Asotin, Benton, Chelan, Clallam, Clark, Columbia, Cowlitz, Ferry, Garfield, Grant, Grays Harbor, Island, Jefferson, King, Kittitas, Klickitat, Lewis, Lincoln, Mason, Okanogan, Pacific, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Snohomish, Spokane, Stevens, Thurston, Walla Walla, Whatcom, Whitman, Yakima.
More Oregon flowers
Sources
- USDA, NRCS. PLANTS Database, profile MAST4.
- iNaturalist, Maianthemum stellatum: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Maianthemum stellatum (lead quoted under CC BY-SA 4.0).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- Michigan: Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023).
- Michigan: Michigan prohibited and restricted species (NREPA Part 413 and the 2026 Invasive Species Order), as listed by Michigan's Invasive Species Program.
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Wisconsin: Wisconsin endangered and threatened species list (Wis. Admin. Code NR 27.03).
- Wisconsin: Wisconsin invasive species rule (Wis. Admin. Code NR 40.04 prohibited, NR 40.05 restricted).
- Illinois: Illinois List of Endangered and Threatened Flora (17 Ill. Adm. Code 1050), per the Endangered Species Protection Board's 2025 checklist.
- Illinois: Illinois Official List of Exotic Weeds (17 Ill. Adm. Code 1100.30, Illinois Exotic Weed Act).
- Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
- Utah: Utah noxious weed list (Utah Admin. Code R68-9-3).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
- Wyoming: Wyoming state designated noxious weeds (W.S. 11-5-102(a)(xi)), as listed by the Wyoming Weed & Pest Council.
- South Dakota: South Dakota statewide noxious weeds (ARSD 12:62:03:01.06).
- North Dakota: North Dakota state noxious weeds (N.D. Admin. Code 7-06-01-02), as listed by the ND Department of Agriculture.
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Maianthemum stellatum (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: gpete via iNaturalist · CC BY 4.0 · resized.


