
Flower profile
Pipsissewa
Chimaphila umbellata
Pipsissewa (Chimaphila umbellata) is a low shrub in the Ericaceae family, native in the lower 48 states, blooming mostly June–August across the U.S.
Pipsissewa is a flowering plant that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 7 states, and across the U.S. it's most often seen in bloom in June–August.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Idaho, Massachusetts, Montana, New Hampshire, Oregon, Washington, Wyoming
Quick look
Chimaphila umbellata, the umbellate wintergreen, pipsissewa, or prince's pine, is a small perennial flowering plant found in dry woodlands, or sandy soils. It is native throughout the cool temperate Northern Hemisphere.
- It belongs to the Ericaceae family. iNaturalist
- USDA PLANTS describes it as a subshrub with a perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 36 states. USDA PLANTS
- In Washington, most iNaturalist sightings of it in flower come in June–August. iNaturalist
- In Oregon, most iNaturalist sightings of it in flower come in June–August. iNaturalist
- USDA PLANTS lists its flower color as white. USDA PLANTS
- USDA PLANTS gives its bloom period as late spring. USDA PLANTS
- USDA PLANTS lists a mature height of about 1.5 ft. USDA PLANTS
- iNaturalist has 2,361 research-grade sightings of it in Washington, ranking #77 among the 187 flowers on our Washington list. iNaturalist
- iNaturalist has 2,153 research-grade sightings of it in Oregon, ranking #78 among the 184 flowers on our Oregon list. iNaturalist
- iNaturalist has 1,986 research-grade sightings of it in Massachusetts, ranking #76 among the 188 flowers on our Massachusetts list. iNaturalist
When does it bloom?
Bloom time in the 7 states whose Bloomipedia list includes it
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Washington | Native | June–August | 2,361 |
| Oregon | Native | June–August | 2,153 |
| Massachusetts | Native | June–July | 1,986 |
| Montana | Native | July–August | 955 |
| Idaho | Native | July–August | 620 |
| New Hampshire | Native | few records (45) | 463 |
| Wyoming | Native | July–August | 448 |
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
- 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.
- 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
- Massachusetts
- Not listed Not on Massachusetts Endangered Species Act list (321 CMR 10.90). NatureServe: SNR, not yet ranked in Massachusetts. MESA list
- 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.
- 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.
- 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
- Wyoming
- No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: S4, apparently secure in Wyoming.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: DE (S2), IA (S1), IL (SH), IN (S1), NV (S1), OH (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?
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 pipsissewa in 36 states plus Washington, D.C.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alaska, Arizona, California, Colorado, Connecticut, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming; District of Columbia.
Washington counties with USDA records: Asotin, Chelan, Clallam, Columbia, Cowlitz, Ferry, Garfield, Island, Jefferson, King, Kitsap, Kittitas, Klickitat, Lewis, Mason, Okanogan, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Snohomish, Spokane, Stevens, Thurston, Walla Walla, Whatcom, Yakima.
Oregon counties with USDA records: Baker, Benton, Clackamas, Coos, Curry, Deschutes, Douglas, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Linn, Marion, Multnomah, Tillamook, Umatilla, Union, Wallowa, Wasco.
Massachusetts counties with USDA records: Barnstable, Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk, Worcester.
Growing conditions
USDA PLANTS gives Pipsissewa a low shade tolerance, medium drought tolerance and low moisture use. It is rated for soil pH 5.4 to 7.4 and winter lows down to -38 °F.
- Shade tolerance
- Low
- Drought tolerance
- Medium
- Moisture use
- Low
- Soil textures it is adapted to
- coarse, medium
- Soil pH range
- 5.4 to 7.4
- Minimum temperature tolerated
- -38 °F
- Frost-free days needed (minimum)
- 85
- Annual precipitation range
- 30 to 55 inches
- Minimum root depth
- 8 inches
- Salinity tolerance
- None
- Fertility requirement
- Medium
- Growth rate
- Slow
- Lifespan
- Long
- Active growth period
- Summer
- Fruit or seed
- Brown · Summer to Summer
- Can be propagated by
- seed, sprigs, tubers
- Commercial availability
- Contracting Only
From the USDA PLANTS characteristics data for CHUM. USDA ratings are general guidance for the species, not a guarantee for your garden.
Names, range and relatives
Native status by region (USDA PLANTS): Alaska: Native; Canada: Native; Lower 48 states: Native.
County records: USDA PLANTS lists it in 590 counties across 34 states; the most are in Virginia (68), Michigan (64), Wisconsin (54).
Other Chimaphila on Bloomipedia (1): Striped wintergreen.
More from the Ericaceae family (55 on Bloomipedia; most observed first): Ghost pipe, Rhododendrons and azaleas, Mountain laurel, Eastern teaberry (wintergreen), Salal, Woodland pinedrops, Pinesap, Trailing arbutus (mayflower).
More Washington flowers
Sources
- USDA, NRCS. PLANTS Database, profile CHUM.
- iNaturalist, Chimaphila umbellata: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Chimaphila umbellata (lead quoted under CC BY-SA 4.0).
- State rare and invasive plant lists (10):
Show all 10 state lists
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Oregon: Oregon endangered and threatened plants (OAR 603-073-0070).
- Oregon: Oregon noxious weed quarantine, A and B weeds (OAR 603-052-1200).
- 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.).
- Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- 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).
- Wyoming: Wyoming state designated noxious weeds (W.S. 11-5-102(a)(xi)), as listed by the Wyoming Weed & Pest Council.
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Chimaphila umbellata (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Kent P. McFarland via iNaturalist · CC0 · resized.


