
Flower profile
Bluebead lily
Clintonia borealis
Bluebead lily (Clintonia borealis) is a flowering plant in the Liliaceae family, native in the lower 48 states, blooming mostly May–June across the U.S.
Bluebead lily is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 6 states, and across the U.S. it's most often seen in bloom in May–June.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Maine, Michigan, Minnesota, New Hampshire, Vermont, Wisconsin
Quick look
Clintonia borealis is a species of flowering plant in the lily family. The specific epithet borealis means "of the north," which alludes to the fact that the species tends to thrive in the boreal forests of eastern Canada and northeastern United States. It is commonly known as bluebead, blue bead-lily, or yellow clintonia.
- It belongs to the Liliaceae 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 21 states. USDA PLANTS
- NatureServe lists it as native to New Hampshire, Vermont, Maine, Minnesota, Michigan and Wisconsin. NatureServe
- In New Hampshire, most iNaturalist sightings of it in flower come in May–July. iNaturalist
- In Vermont, most iNaturalist sightings of it in flower come in May–June. iNaturalist
- USDA PLANTS lists its flower color as yellow. USDA PLANTS
- USDA PLANTS gives its bloom period as mid spring. USDA PLANTS
- USDA PLANTS lists a mature height of about 1.1 ft. USDA PLANTS
- iNaturalist has 4,572 research-grade sightings of it in New Hampshire, ranking #5 among the 157 flowers on our New Hampshire list. iNaturalist
- iNaturalist has 3,415 research-grade sightings of it in Vermont, ranking #8 among the 159 flowers on our Vermont list. iNaturalist
- iNaturalist has 3,054 research-grade sightings of it in Maine, ranking #11 among the 160 flowers on our Maine list. iNaturalist
When does it bloom?
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
- State rare plant lists
- Not listed Not on the official rare plant list in 6 of our 6 states.
See each state
- New Hampshire
- Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NatureServe: SNR, not yet ranked in New Hampshire. NH Ncr 312
- Vermont
- Not listed Not on Endangered and Threatened Plants of Vermont (10 V.S.A. chap. 123; list of Feb 10, 2022). NatureServe: S5, secure in Vermont. Vermont E&T list
- Maine
- Not listed Not on Maine Rare Plant List (Maine Natural Areas Program, 2021). E and T are Maine's official endangered and threatened plants (12 M.R.S.); SC and PE are tracking categories. NatureServe: SNR, not yet ranked in Maine. Maine rare plant list
- Minnesota
- Not listed Not on Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300). NatureServe: SNR, not yet ranked in Minnesota. Minn. R. 6134.0300
- 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
- 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
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: GA (SH), IN (S1), MD (S2), OH (S1), TN (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?
NC State Extension lists it as poisonous to humans (severity: low). Poisonous parts: fruits. Symptoms they list: “This plant CAUSES ONLY LOW TOXICITY IF EATEN. No cases are known. Poisonous through ingestion. Poisonous parts are suspected to be the berries.” They also note: “Young leaves are chopped and added to salads, or boiled for 10 minutes and served with butter and seasonings. Sour flavor.” NC State Extension
ASPCA's entry “Blue Bead” (Clintonia borealis) lists it as non-toxic to dogs, cats and horses. Eating lots of any plant can still upset a pet's stomach. ASPCA
🌿 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 bluebead lily in 21 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Connecticut, Georgia, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Tennessee, Vermont, Virginia, West Virginia, Wisconsin.
New Hampshire counties with USDA records: Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan.
Vermont counties with USDA records: Addison, Bennington, Caledonia, Chittenden, Essex, Franklin, Lamoille, Orange, Orleans, Rutland, Washington, Windham, Windsor.
Maine counties with USDA records: Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec, Knox, Lincoln, Oxford, Penobscot, Piscataquis, Sagadahoc, Somerset, Waldo, Washington, York.
Growing conditions
USDA PLANTS gives Bluebead lily a high shade tolerance, low drought tolerance and medium moisture use. It is rated for soil pH 5.0 to 6.8 and winter lows down to -33 °F.
- Shade tolerance
- High
- Drought tolerance
- Low
- Moisture use
- Medium
- Soil textures it is adapted to
- medium, fine
- Soil pH range
- 5.0 to 6.8
- Minimum temperature tolerated
- -33 °F
- Frost-free days needed (minimum)
- 90
- Annual precipitation range
- 32 to 55 inches
- Minimum root depth
- 8 inches
- Salinity tolerance
- None
- Fertility requirement
- Medium
- Growth rate
- Moderate
- Lifespan
- Short
- Active growth period
- Spring
- Fruit or seed
- Brown · Spring to Spring
- Can be propagated by
- seed, sprigs
- Commercial availability
- No Known Source
From the USDA PLANTS characteristics data for CLBO3. USDA ratings are general guidance for the species, not a guarantee for your garden.
Names, range and relatives
Native status by region (USDA PLANTS): Canada: Native; Lower 48 states: Native; St. Pierre and Miquelon: Native.
Other scientific names (synonyms in USDA PLANTS): Dracaena borealis.
County records: USDA PLANTS lists it in 325 counties across 19 states; the most are in Michigan (60), Wisconsin (53), New York (40).
Other Clintonia on Bloomipedia (1): Bride's bonnet.
More from the Liliaceae family (32 on Bloomipedia; most observed first): Yellow trout lily, Cucumber root, White fawnlily, Checker lily, White globe lily, Glacier lily, Yellow mariposa lily, Tolmie's pussy ears.
More New Hampshire flowers
Sources
- USDA, NRCS. PLANTS Database, profile CLBO3.
- iNaturalist, Clintonia borealis: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Clintonia borealis (lead quoted under CC BY-SA 4.0).
- State rare and invasive plant lists (12):
Show all 12 state lists
- New Hampshire: New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020).
- New Hampshire: NH Prohibited Invasive Species List (Agr 3800, Table 3800.1).
- Vermont: Endangered and Threatened Plants of Vermont (10 V.S.A. chap. 123; list of Feb 10, 2022).
- Vermont: Vermont Quarantine List, Regulated Introduced Plant Species Rule (eff. June 16, 2026).
- Maine: Maine Rare Plant List (Maine Natural Areas Program, 2021). E and T are Maine's official endangered and threatened plants (12 M.R.S.); SC and PE are tracking categories.
- Maine: Maine Do Not Sell invasive plant list (01-001 C.M.R. ch. 273).
- Minnesota: Minnesota endangered, threatened and special concern plants (Minn. R. 6134.0300).
- Minnesota: Minnesota Noxious Weed List (Minn. Stat. § 18.79; Minnesota Department of Agriculture, updated January 2026).
- 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.
- 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).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Clintonia borealis (global and state ranks).
- Edibility and toxicity: NC State Extension; ASPCA.
- Photo: Annie Evankow via iNaturalist · CC BY 4.0 · resized.


