
Flower profile
Yellow salsify
Tragopogon dubius
Yellow salsify is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 10 states, and across the U.S. it's most often seen in bloom in May–July.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Colorado, Idaho, Kansas, Montana, Nebraska, New Mexico, North Dakota, South Dakota, Utah, Wyoming
Quick look
Tragopogon dubius, commonly known as yellow salsify, is a species of salsify with yellow flower heads. It is native to Eurasia and has been introduced to North America.
- It belongs to the Asteraceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) with a annual, biennial life cycle. USDA PLANTS
- USDA PLANTS lists it as introduced in the lower 48 states and records it in 45 states. USDA PLANTS
- In Colorado, most iNaturalist sightings of it in flower come in May–July. iNaturalist
- In Montana, most iNaturalist sightings of it in flower come in May–August. 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 3 ft. USDA PLANTS
- iNaturalist has 3,057 research-grade sightings of it in Colorado, ranking #46 among the 110 flowers on our Colorado list. iNaturalist
- iNaturalist has 1,311 research-grade sightings of it in Montana, ranking #17 among the 109 flowers on our Montana list. iNaturalist
- iNaturalist has 1,114 research-grade sightings of it in Idaho, ranking #16 among the 109 flowers on our Idaho list. iNaturalist
Yellow salsify gift ideas
Handmade yellow salsify 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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Yellow salsify art print
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Yellow salsify greeting card
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Yellow salsify mug
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Yellow salsify earrings
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Yellow salsify embroidery pattern
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Yellow salsify sticker
When does it bloom?
Bloom time in each of our 10 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Colorado | Introduced | May–July | 3,057 |
| Montana | Introduced | May–August | 1,311 |
| Idaho | Introduced | May–September | 1,114 |
| Utah | Introduced | April–October | 989 |
| New Mexico | Introduced | May–July | 665 |
| Wyoming | Introduced | June–September | 632 |
| South Dakota | Introduced | May–July | 506 |
| Kansas | Introduced | May–July | 454 |
| Nebraska | Introduced | May–July | 433 |
| North Dakota | Introduced | June–October | 281 |
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- GNR Not yet ranked worldwide. NatureServe
- Colorado
- No list Colorado has no state law listing endangered or threatened plants, so we show NatureServe's Colorado ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Colorado.
- Montana
- No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Montana.
- Idaho
- No list Idaho has no state law listing endangered or threatened plants, so we show NatureServe's Idaho ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Idaho.
- Utah
- No list Utah has no state law listing endangered or threatened plants, so we show NatureServe's Utah ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) in Utah.
- New Mexico
- Not listed Not on New Mexico state endangered plant species (19.21.2.9 NMAC). NatureServe: SNA, not applicable (usually because it isn't native there) in New Mexico. 19.21.2.9 NMAC
- Wyoming
- No list Wyoming has no state law listing endangered or threatened plants, so we show NatureServe's Wyoming ranks instead. NatureServe: SNA, not applicable (usually because it isn't native there) 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: SNA, not applicable (usually because it isn't native there) in South Dakota.
- Kansas
- No list Kansas's endangered and threatened list (K.A.R. 115-15-1) covers animals only, so we show NatureServe's Kansas ranks for plants. NatureServe: SNA, not applicable (usually because it isn't native there) in Kansas.
- Nebraska
- Not listed Not on Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004). NatureServe: SNA, not applicable (usually because it isn't native there) in Nebraska. 163 NAC 4-004
- 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: SNA, not applicable (usually because it isn't native there) in North Dakota.
- 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?
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 yellow salsify in 45 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, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming; District of Columbia.
Colorado counties with USDA records: Archuleta, Baca, Bent, Boulder, Cheyenne, Custer, Douglas, Eagle, El Paso, Garfield, Gilpin, Grand, Gunnison, Huerfano, Jackson, Jefferson, La Plata, Larimer, Las Animas, Logan, Mesa, Moffat, Montezuma, Montrose, Otero, Park, Phillips, Pitkin, Pueblo, Rio Blanco, Routt, San Miguel, Summit, Teller, Washington, Weld, Yuma.
Montana counties with USDA records: Beaverhead, Big Horn, Blaine, Broadwater, Carbon, Carter, Cascade, Chouteau, Custer, Daniels, Dawson, Deer Lodge, Fallon, Fergus, Flathead, Gallatin, Garfield, Glacier, Golden Valley, Granite, Hill, Jefferson, Judith Basin, Lake, Lewis and Clark, Liberty, Lincoln, Madison, McCone, Meagher, Mineral, Missoula, Musselshell, Park, Petroleum, Phillips, Pondera, Powder River, Powell, Prairie, Ravalli, Richland, Roosevelt, Rosebud, Sanders, Sheridan, Silver Bow, Stillwater, Sweet Grass, Teton, Toole, Treasure, Valley, Wheatland, Wibaux, Yellowstone.
Idaho counties with USDA records: Ada, Adams, Bannock, Bear Lake, Benewah, Blaine, Boise, Bonner, Bonneville, Butte, Canyon, Caribou, Cassia, Clark, Custer, Elmore, Franklin, Fremont, Gem, Idaho, Jefferson, Latah, Lewis, Lincoln, Nez Perce, Oneida, Owyhee, Payette, Twin Falls, Valley, Washington.
More Colorado flowers
Sources
- USDA, NRCS. PLANTS Database, profile TRDU.
- iNaturalist, Tragopogon dubius: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Tragopogon dubius (lead quoted under CC BY-SA 4.0).
- Colorado: Colorado noxious weed lists A, B and C (8 CCR 1206-2, eff. May 15, 2025).
- Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
- Idaho: Idaho noxious weeds (IDAPA 02.06.09, Section 220).
- Utah: Utah noxious weed list (Utah Admin. Code R68-9-3).
- New Mexico: New Mexico state endangered plant species (19.21.2.9 NMAC).
- New Mexico: New Mexico Noxious Weed List (NM Department of Agriculture, updated June 2020).
- 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).
- Kansas: Kansas noxious weeds (K.A.R. 4-8-44, as amended 2026).
- Nebraska: Nebraska threatened and endangered species (163 Neb. Admin. Code ch. 4, § 004).
- Nebraska: Nebraska noxious weeds (25 Neb. Admin. Code ch. 10, § 001.02).
- 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, Tragopogon dubius (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Rose Zappa via iNaturalist · CC BY 4.0 · resized.


