Flower profile

Daisy fleabane

Erigeron strigosus

Daisy fleabane (Erigeron strigosus) is a flowering plant in the Asteraceae family, native in the lower 48 states, blooming mostly May–August across the U.S.

Native in the lower 48

Daisy fleabane is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 2 states, and across the U.S. it's most often seen in bloom in May–August.

45states where USDA records it

2Bloomipedia state lists include it

11,331U.S. sightings*

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

On our lists for: Kansas, Oklahoma

Quick look

Erigeron strigosus is a species of flowering plant in the family Asteraceae known by the common names prairie fleabane, common eastern fleabane, and daisy fleabane.
From Wikipedia's article Erigeron strigosus, CC BY-SA 4.0.

It belongs to the Asteraceae family. ^iNaturalist
USDA PLANTS describes it as an herb (forb) with a annual, biennial, perennial life cycle. ^{USDA PLANTS}
USDA PLANTS lists it as native in the lower 48 states and records it in 45 states. ^{USDA PLANTS}
NatureServe lists it as native to Oklahoma and Kansas. ^NatureServe
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 3 ft. ^{USDA PLANTS}
iNaturalist has 381 research-grade sightings of it in Oklahoma, ranking #92 among the 159 flowers on our Oklahoma list. ^iNaturalist
iNaturalist has 286 research-grade sightings of it in Kansas, ranking #98 among the 151 flowers on our Kansas list. ^iNaturalist

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (2,141 records)

Bloom time in the 2 states whose Bloomipedia list includes it

State	Type	Peak bloom	Sightings*
Oklahoma	Native	few records (20)	381
Kansas	Native	few records (12)	286

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
Oklahoma: No list Oklahoma has no state law listing endangered or threatened plants, so we show NatureServe's Oklahoma ranks instead. NatureServe: SNR, not yet ranked in Oklahoma.
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: SNR, not yet ranked in Kansas.
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?

For peopleNot well documented

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.

For petsNot well documented

It isn't on the ASPCA plant list. For context only: ASPCA lists a related species, Erigeron speciosus (“Fleabane”), as toxic to dogs and cats. That doesn't tell us about this species, so keep pets away to be safe. ^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 daisy fleabane in 45 states plus Washington, D.C.

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recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming; District of Columbia.

Oklahoma counties with USDA records: Adair, Alfalfa, Atoka, Beckham, Blaine, Bryan, Caddo, Canadian, Carter, Cherokee, Choctaw, Cleveland, Coal, Comanche, Craig, Custer, Delaware, Garfield, Garvin, Grady, Grant, Greer, Haskell, Hughes, Jefferson, Johnston, Kay, Kingfisher, Latimer, Le Flore, Logan, Love, Marshall, Mayes, McClain, McCurtain, McIntosh, Murray, Muskogee, Noble, Okfuskee, Oklahoma, Okmulgee, Osage, Ottawa, Payne, Pittsburg, Pontotoc, Pottawatomie, Pushmataha, Roger Mills, Rogers, Seminole, Sequoyah, Stephens, Tillman, Washington, Woods.

Kansas counties with USDA records: Allen, Anderson, Atchison, Barber, Barton, Bourbon, Brown, Butler, Chase, Chautauqua, Cherokee, Clark, Clay, Cloud, Coffey, Comanche, Cowley, Crawford, Decatur, Dickinson, Doniphan, Douglas, Edwards, Elk, Ellis, Ellsworth, Ford, Franklin, Geary, Greenwood, Harper, Harvey, Hodgeman, Jackson, Jefferson, Jewell, Johnson, Kingman, Kiowa, Labette, Leavenworth, Lincoln, Linn, Lyon, Marion, Marshall, McPherson, Miami, Mitchell, Montgomery, Morris, Nemaha, Neosho, Norton, Osage, Osborne, Ottawa, Pawnee, Phillips, Pottawatomie, Pratt, Reno, Republic, Rice, Riley, Rooks, Rush, Russell, Saline, Sedgwick, Seward, Shawnee, Sheridan, Sherman, Smith, Stafford, Sumner, Thomas, Trego, Wabaunsee, Washington, Wilson, Woodson, Wyandotte.

Growing conditions

USDA PLANTS gives Daisy fleabane a high shade tolerance, medium drought tolerance and medium moisture use. It is rated for soil pH 4.8 to 7.2 and winter lows down to -28 °F.

Shade tolerance: High
Drought tolerance: Medium
Moisture use: Medium
Soil textures it is adapted to: coarse, medium, fine
Soil pH range: 4.8 to 7.2
Minimum temperature tolerated: -28 °F
Frost-free days needed (minimum): 90
Annual precipitation range: 12 to 55 inches
Minimum root depth: 10 inches
Salinity tolerance: None
Fertility requirement: Medium
Growth rate: Moderate
Lifespan: Short
Active growth period: Spring and Summer
Fruit or seed: Brown · Spring to Summer
Can be propagated by: seed
Commercial availability: No Known Source

From the USDA PLANTS characteristics data for ERST3. 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 1883 counties across 44 states; the most are in Missouri (96), Virginia (93), North Carolina (91).

Other Erigeron on Bloomipedia (4): Philadelphia fleabane, Seaside daisy, Oakleaf fleabane, Wandering daisy.

More from the Asteraceae family (212 on Bloomipedia; most observed first): Common yarrow, Goldenrods, White snakeroot, Sunflowers, Chicory, Black-eyed Susan, Bull thistle, Common dandelion.

More Oklahoma flowers

Common yarrow

Achillea millefolium

Native

🌼 Blooms in OK: April–June

Firewheel

Gaillardia pulchella

★ OK state wildflowerNative

🌼 Blooms in OK: May–July

Black-eyed Susan

Rudbeckia hirta

★ MD state flowerNative

🌼 Blooms in OK: May–July

Sources

USDA, NRCS. PLANTS Database, profile ERST3.
iNaturalist, Erigeron strigosus: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
Wikipedia, Erigeron strigosus (lead quoted under CC BY-SA 4.0).
Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
Kansas: Kansas noxious weeds (K.A.R. 4-8-44, as amended 2026).
USFWS, ECOS species database (ESA listing check), October 17, 2026.
NatureServe Explorer, Erigeron strigosus (global and state ranks).
Edibility and toxicity: ASPCA.
Photo: Jay Pruett via iNaturalist · CC BY 4.0 · resized.