
Flower profile
Lily of the valley
Convallaria majalis
Lily of the valley is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 4 states, and across the U.S. it's most often seen in bloom in April–June.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Massachusetts, Michigan, New Hampshire, Rhode Island
Quick look
Lily-of-the-valley, also written as lily of the valley, is a woodland flowering plant with sweetly scented, pendent, bell-shaped white flowers borne in sprays in spring. It is native to Europe, Western Asia and Northern Asia.
- 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 introduced in the lower 48 states and records it in 31 states. USDA PLANTS
- In Massachusetts, most iNaturalist sightings of it in flower come in May–June. iNaturalist
- In Michigan, most iNaturalist sightings of it in flower come in May–June. iNaturalist
- USDA PLANTS lists its flower color as white. USDA PLANTS
- USDA PLANTS gives its bloom period as summer. USDA PLANTS
- USDA PLANTS lists a mature height of about 0.8 ft. USDA PLANTS
- iNaturalist has 2,482 research-grade sightings of it in Massachusetts, ranking #52 among the 110 flowers on our Massachusetts list. iNaturalist
- iNaturalist has 1,744 research-grade sightings of it in Michigan, ranking #96 among the 111 flowers on our Michigan list. iNaturalist
- iNaturalist has 327 research-grade sightings of it in New Hampshire, ranking #90 among the 109 flowers on our New Hampshire list. iNaturalist
Lily of the valley gift ideas
Handmade 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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Lily of the valley art print
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Lily of the valley greeting card
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Lily of the valley mug
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Lily of the valley earrings
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Lily of the valley embroidery pattern
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Lily of the valley sticker
When does it bloom?
Bloom time in each of our 4 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Massachusetts | – | May–June | 2,482 |
| Michigan | – | May–June | 1,744 |
| New Hampshire | – | May–June | 327 |
| Rhode Island | – | April–May | 219 |
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
- Massachusetts
- Not listed Not on Massachusetts Endangered Species Act list (321 CMR 10.90). NatureServe has no Massachusetts rank for it. MESA list
- Michigan
- Not listed Not on Michigan endangered and threatened plants (Mich. Admin. Code R 299.1028, eff. March 20, 2023). NatureServe has no Michigan rank for it. R 299.1028
- New Hampshire
- Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NatureServe has no New Hampshire rank for it. NH Ncr 312
- Rhode Island
- Not listed Not on Rhode Island Rare Plants 2016 (RI Natural History Survey, from the RI Wildlife Action Plan; informational, Rhode Island has no state plant-protection listing law). NatureServe has no Rhode Island rank for it. RI rare plants 2016
- Rare elsewhere
- No other U.S. state ranks it S1, S2, SH or SX.
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: bark, flowers, fruits, leaves, roots, sap/juice, seeds, stems. Symptoms they list: “Toxic only if large quantities eaten. Irregular and slow pulse, abdominal pain and diarrhea, low blood pressure, disorientation, coma, seizures” NC State Extension
ASPCA's entry “Lily of the Valley” (Convallaria majalis) lists it as toxic to dogs, cats and horses. 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 lily of the valley in 31 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alabama, Arkansas, Connecticut, Delaware, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin.
Massachusetts counties with USDA records: Barnstable, Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Norfolk, Plymouth, Suffolk, Worcester.
Michigan counties with USDA records: Calhoun, Chippewa, Emmet, Houghton, Ingham, Isabella, Lenawee, Marquette, Montcalm, Newaygo, Saginaw, St. Clair, Washtenaw.
New Hampshire counties with USDA records: Belknap, Cheshire, Grafton, Merrimack, Rockingham, Strafford, Sullivan.
More Massachusetts flowers
Sources
- USDA, NRCS. PLANTS Database, profile COMA7.
- iNaturalist, Convallaria majalis: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Lily of the valley (lead quoted under CC BY-SA 4.0).
- Massachusetts: Massachusetts Endangered Species Act list (321 CMR 10.90).
- Massachusetts: Massachusetts Prohibited Plant List (MDAR) (Text from MDAR's 2023 scientific-name PDF (mass.gov blocks automated downloads); 2024-2026 additions listed on the mass.gov page: Alnus glutinosa, Pyrus calleryana, Miscanthus sinensis, Aralia elata, Rhodotypos scandens, Symplocos paniculata.).
- 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.
- 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).
- Rhode Island: Rhode Island Rare Plants 2016 (RI Natural History Survey, from the RI Wildlife Action Plan; informational, Rhode Island has no state plant-protection listing law).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Convallaria majalis (global and state ranks).
- Edibility and toxicity: NC State Extension; ASPCA.
- Photo: Lynn Harper via iNaturalist · CC0 · resized.


