
Flower profile
Small camas
Camassia quamash
Small camas (Camassia quamash) is a flowering plant in the Asparagaceae family, native in the lower 48 states, blooming mostly April–June across the U.S.
Small camas 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.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Idaho, Oregon, Washington
Quick look
Camassia quamash, commonly known as camas, kwetlal, small camas, common camas, common camash or quamash, is a perennial herb. It is native to western North America in large areas of southern Canada and the northwestern United States.
- 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 Oregon, Washington and Idaho. NatureServe
- In Oregon, most iNaturalist sightings of it in flower come in April–May. iNaturalist
- In Washington, most iNaturalist sightings of it in flower come in April–May. 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 2.3 ft. USDA PLANTS
- iNaturalist has 2,188 research-grade sightings of it in Oregon, ranking #77 among the 184 flowers on our Oregon list. iNaturalist
- iNaturalist has 2,072 research-grade sightings of it in Washington, ranking #90 among the 187 flowers on our Washington list. iNaturalist
- iNaturalist has 630 research-grade sightings of it in Idaho, ranking #43 among the 143 flowers on our Idaho list. iNaturalist
When does it bloom?
Bloom time in the 3 states whose Bloomipedia list includes it
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Oregon | Native | April–May | 2,188 |
| Washington | Native | April–May | 2,072 |
| Idaho | Native | May–June | 630 |
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
- 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.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: 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?
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 small camas in 8 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
California, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming.
Oregon counties with USDA records: Baker, Benton, Clackamas, Clatsop, Coos, Crook, Curry, Douglas, Gilliam, Grant, Harney, Hood River, Jackson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Multnomah, Polk, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, Yamhill.
Washington counties with USDA records: Adams, Asotin, Chelan, Clallam, Clark, Ferry, Franklin, Garfield, Grant, Grays Harbor, Island, Jefferson, King, Kittitas, Klickitat, Lewis, Lincoln, Mason, Pacific, Pend Oreille, Pierce, San Juan, Skagit, Skamania, Spokane, Stevens, Thurston, Walla Walla, Whatcom, Whitman, Yakima.
Idaho counties with USDA records: Ada, Adams, Bannock, Bear Lake, Benewah, Blaine, Boise, Bonner, Butte, Camas, Caribou, Clark, Clearwater, Custer, Elmore, Franklin, Fremont, Gem, Idaho, Kootenai, Latah, Nez Perce, Owyhee, Payette, Shoshone, Twin Falls, Valley, Washington.
Growing conditions
USDA PLANTS gives Small camas a low shade tolerance, none drought tolerance and high moisture use. It is rated for soil pH 5.7 to 7.0 and winter lows down to -28 °F.
- Shade tolerance
- Low
- Drought tolerance
- None
- Moisture use
- High
- Soil textures it is adapted to
- coarse, medium, fine
- Soil pH range
- 5.7 to 7.0
- Minimum temperature tolerated
- -28 °F
- Frost-free days needed (minimum)
- 110
- Annual precipitation range
- 16 to 55 inches
- Minimum root depth
- 10 inches
- Salinity tolerance
- None
- Fertility requirement
- Medium
- Growth rate
- Moderate
- Lifespan
- Moderate
- Active growth period
- Spring and Summer
- Fruit or seed
- Brown · Spring to Spring
- Can be propagated by
- bare root, bulb, container, seed, sprigs
- Commercial availability
- Routinely Available
From the USDA PLANTS characteristics data for CAQU2. 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.
County records: USDA PLANTS lists it in 139 counties across 8 states; the most are in Oregon (31), Washington (31), California (29).
Other Camassia on Bloomipedia (2): Atlantic camas, Great camas.
More from the Asparagaceae family (34 on Bloomipedia; most observed first): Yuccas, Solomon's plume (false Solomon's seal), Canada mayflower, Blue dicks, Common star-of-Bethlehem, Star-flowered lily-of-the-valley, Chaparral yucca, Mojave yucca.
More Oregon flowers
Sources
- USDA, NRCS. PLANTS Database, profile CAQU2.
- iNaturalist, Camassia quamash: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Camassia quamash (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).
- Washington: Washington State noxious weed list (WAC 16-750-005, -011, -015).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Camassia quamash (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Alejandro Santillana via iNaturalist · CC0 · resized.


