Bloomipedia
Rough blazing star (Liatris aspera)
Photo: Chris Stahl via iNaturalist · CC BY 4.0 · resized

Flower profile

Rough blazing star

Liatris aspera

Native in the lower 48

Rough blazing star is a wildflower that USDA PLANTS lists as native 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 July–September.

27states
4of our state lists
8,762U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Kansas, Minnesota, South Dakota, Wisconsin

Quick look

Liatris aspera is a perennial wildflower in the Asteraceae family that is found in central to eastern North America in habitats that range from mesic to dry prairie and dry savanna.

  • It belongs to the Asteraceae 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 27 states. USDA PLANTS
  • NatureServe lists it as native to Wisconsin, Minnesota, Kansas and South Dakota. NatureServe
  • In Wisconsin, most iNaturalist sightings of it in flower come in July–September. iNaturalist
  • In Minnesota, most iNaturalist sightings of it in flower come in August–September. iNaturalist
  • iNaturalist has 1,917 research-grade sightings of it in Wisconsin, ranking #77 among the 109 flowers on our Wisconsin list. iNaturalist
  • iNaturalist has 1,660 research-grade sightings of it in Minnesota, ranking #78 among the 110 flowers on our Minnesota list. iNaturalist
  • iNaturalist has 293 research-grade sightings of it in Kansas, ranking #95 among the 109 flowers on our Kansas list. iNaturalist

Rough blazing star gift ideas

Handmade rough blazing star gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (799 records)
Bloom time in each of our 4 states
StateTypePeak bloomSightings*
WisconsinNativeJuly–September1,917
MinnesotaNativeAugust–September1,660
KansasNativefew records293
South DakotaNativefew records152

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G4 Apparently secure worldwide. NatureServe
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
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
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: S5, secure in Kansas.
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: SNR, not yet ranked in South Dakota.
Rare elsewhere
Other states where NatureServe ranks it rare or missing: NC (S1), SC (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?

For peopleNot well documented

None of the sources we checked (NC State Extension (no edibility or poison notes on its page), USDA PLANTS) say whether it's edible or poisonous for people. NC State Extension

For petsNot well documented

It isn't on the ASPCA plant list, and NC State Extension doesn't flag it for pets.

🌿 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 rough blazing star in 27 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New York, North Carolina, North Dakota, Ohio, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Virginia, West Virginia, Wisconsin.

Wisconsin counties with USDA records: Adams, Barron, Bayfield, Brown, Buffalo, Burnett, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Douglas, Dunn, Eau Claire, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Kenosha, La Crosse, Lafayette, Langlade, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Pepin, Pierce, Polk, Portage, Racine, Richland, Rock, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Trempealeau, Vernon, Walworth, Washburn, Waukesha, Waupaca, Waushara, Winnebago, Wood.

Minnesota counties with USDA records: Anoka, Becker, Benton, Big Stone, Blue Earth, Brown, Cass, Chippewa, Chisago, Clay, Clearwater, Cottonwood, Crow Wing, Dakota, Douglas, Faribault, Fillmore, Goodhue, Grant, Hennepin, Houston, Hubbard, Jackson, Kandiyohi, Kittson, Lac qui Parle, Le Sueur, Lincoln, Lyon, Mahnomen, Martin, McLeod, Morrison, Mower, Murray, Nobles, Norman, Olmsted, Otter Tail, Pine, Pipestone, Polk, Pope, Ramsey, Renville, Rice, Rock, Roseau, Sherburne, Sibley, Stearns, Swift, Todd, Wabasha, Wadena, Washington, Wilkin, Winona, Wright.

Kansas counties with USDA records: Allen, Anderson, Atchison, Bourbon, Brown, Butler, Chase, Chautauqua, Cherokee, Clay, Cloud, Coffey, Cowley, Crawford, Doniphan, Douglas, Elk, Franklin, Greenwood, Harvey, Jackson, Jefferson, Jewell, Johnson, Labette, Leavenworth, Linn, Lyon, Marion, Marshall, McPherson, Miami, Montgomery, Morris, Nemaha, Neosho, Osage, Pottawatomie, Republic, Riley, Saline, Sedgwick, Shawnee, Wabaunsee, Washington, Wilson, Woodson.

More Wisconsin flowers

Sources