
Flower profile
Bitterweed
Helenium amarum
Bitterweed is a wildflower that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 9 states, and across the U.S. it's most often seen in bloom in May–November.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Alabama, Arkansas, Georgia, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Texas
Quick look
Helenium amarum is a species of annual herb in the daisy family known by the common names yellowdicks, yellow sneezeweed, fiveleaf sneezeweed, and bitter sneezeweed. It is native to much of the south-central United States and northern Mexico, and it is present elsewhere in North America, Australia, and the West Indies as an introduced species.
- It belongs to the Asteraceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) with a annual life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 27 states. USDA PLANTS
- In Texas, most iNaturalist sightings of it in flower come in April–November. iNaturalist
- In North Carolina, most iNaturalist sightings of it in flower come in May–October. iNaturalist
- iNaturalist has 11,649 research-grade sightings of it in Texas, ranking #47 among the 109 flowers on our Texas list. iNaturalist
- iNaturalist has 1,832 research-grade sightings of it in North Carolina, ranking #101 among the 111 flowers on our North Carolina list. iNaturalist
- iNaturalist has 1,143 research-grade sightings of it in Georgia, ranking #75 among the 111 flowers on our Georgia list. iNaturalist
Bitterweed gift ideas
Handmade bitterweed 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.
-
Placeholder
Bitterweed art print
-
Placeholder
Bitterweed greeting card
-
Placeholder
Bitterweed mug
-
Placeholder
Bitterweed earrings
-
Placeholder
Bitterweed embroidery pattern
-
Placeholder
Bitterweed sticker
When does it bloom?
Bloom time in each of our 9 states
| State | Type | Peak bloom | Sightings* |
|---|---|---|---|
| Texas | Native | April–November | 11,649 |
| North Carolina | Native | May–October | 1,832 |
| Georgia | Native | May–October | 1,143 |
| Alabama | Native | May–October | 1,056 |
| Arkansas | Native | May–November | 1,010 |
| Oklahoma | Native | May–November | 924 |
| South Carolina | Native | May–September | 582 |
| Louisiana | Native | June–October | 453 |
| Mississippi | Native | June–November | 418 |
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
- Texas
- Not listed Not on Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife. NatureServe: SNR, not yet ranked in Texas. 31 TAC 69.8
- North Carolina
- Not listed Not on North Carolina Protected Plant Species List (02 NCAC 48F .0301). NatureServe: S5, secure in North Carolina. 02 NCAC 48F .0301
- Georgia
- Not listed Not on Georgia protected plants (Ga. Comp. R. & Regs. 391-4-10-.09; a 2026 update is proposed). NatureServe: SNR, not yet ranked in Georgia. Ga. R. 391-4-10-.09
- Alabama
- No list Alabama has no state law listing endangered or threatened plants, so we show NatureServe's Alabama ranks instead. NatureServe: SNR, not yet ranked in Alabama.
- Arkansas
- No list Arkansas has no state law listing endangered or threatened plants, so we show NatureServe's Arkansas ranks instead. NatureServe: SNR, not yet ranked in Arkansas.
- 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.
- South Carolina
- No list South Carolina has no state law listing endangered or threatened plants, so we show NatureServe's South Carolina ranks instead. NatureServe: SNR, not yet ranked in South Carolina.
- Louisiana
- No list Louisiana has no state list of endangered or threatened plants separate from the federal list, so we show federal status and NatureServe's Louisiana ranks. NatureServe: SNR, not yet ranked in Louisiana.
- Mississippi
- No list Mississippi has no state law listing endangered or threatened plants, so we show NatureServe's Mississippi ranks instead. NatureServe: SNR, not yet ranked in Mississippi.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: IA (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 bitterweed in 27 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alabama, Arkansas, California, Connecticut, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Wisconsin.
Texas counties with USDA records: Anderson, Andrews, Angelina, Aransas, Archer, Armstrong, Austin, Bailey, Bastrop, Bell, Bexar, Blanco, Bowie, Brazoria, Brazos, Brewster, Brown, Burleson, Burnet, Caldwell, Calhoun, Callahan, Chambers, Cherokee, Childress, Clay, Coleman, Colorado, Comal, Coryell, Dallas, DeWitt, Deaf Smith, Denton, Eastland, Ector, Edwards, Ellis, Falls, Fayette, Fort Bend, Frio, Galveston, Garza, Gillespie, Goliad, Gonzales, Grayson, Gregg, Grimes, Guadalupe, Hardeman, Hardin, Harris, Harrison, Hartley, Hays, Hidalgo, Hill, Hockley, Houston, Hunt, Jeff Davis, Jefferson, Karnes, Kaufman, La Salle, Lampasas, Lavaca, Lee, Leon, Liberty, Llano, Lubbock, Lynn, Madison, Mason, Matagorda, McCulloch, McLennan, Milam, Mills, Montgomery, Nacogdoches, Navarro, Orange, Palo Pinto, Parmer, Pecos, Polk, Randall, Refugio, Robertson, Rusk, San Jacinto, San Patricio, San Saba, Shelby, Sutton, Swisher, Tarrant, Taylor, Titus, Travis, Tyler, Walker, Waller, Washington, Wharton, Wichita, Williamson, Wilson, Zapata, Zavala.
North Carolina counties with USDA records: Alamance, Alexander, Anson, Bertie, Bladen, Brunswick, Cabarrus, Caldwell, Carteret, Caswell, Catawba, Chatham, Chowan, Clay, Cleveland, Columbus, Craven, Cumberland, Dare, Davidson, Duplin, Durham, Edgecombe, Gaston, Gates, Granville, Greene, Guilford, Halifax, Harnett, Hertford, Hoke, Hyde, Iredell, Johnston, Jones, Lee, Lenoir, Lincoln, Martin, Mecklenburg, Montgomery, Nash, New Hanover, Northampton, Onslow, Orange, Pamlico, Pasquotank, Person, Pitt, Polk, Randolph, Richmond, Robeson, Rockingham, Rowan, Sampson, Scotland, Stanly, Tyrrell, Union, Vance, Wake, Warren, Washington, Wayne, Wilson, Yadkin.
Georgia counties with USDA records: Baker, Barrow, Bartow, Berrien, Brantley, Charlton, Chatham, Clarke, Columbia, Cook, Echols, Elbert, Floyd, Fulton, Gwinnett, Hall, Harris, Hart, Irwin, Liberty, Lincoln, Lumpkin, Madison, McIntosh, Morgan, Muscogee, Peach, Putnam, Spalding, Taylor, Tift, Treutlen, Worth.
More Texas flowers
Sources
- USDA, NRCS. PLANTS Database, profile HEAM.
- iNaturalist, Helenium amarum: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Helenium amarum (lead quoted under CC BY-SA 4.0).
- Texas: Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife.
- Texas: Texas noxious and invasive plant list (4 Tex. Admin. Code § 19.300(a)).
- North Carolina: North Carolina Protected Plant Species List (02 NCAC 48F .0301).
- North Carolina: North Carolina Noxious Weed List (02 NCAC 48A .1702) (the list names any non-native Lythrum; we apply it to purple loosestrife (Lythrum salicaria), which isn't native).
- Georgia: Georgia protected plants (Ga. Comp. R. & Regs. 391-4-10-.09; a 2026 update is proposed).
- Alabama: Alabama noxious weeds (Ala. Admin. Code r. 80-10-14-.04).
- Arkansas: Arkansas State Plant Board noxious weeds and prohibited plants (2 CAR § 50-101).
- Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
- South Carolina: South Carolina State Plant Pest List, plants (S.C. Code Regs. 27-135; Clemson Dept. of Plant Industry).
- Mississippi: Mississippi Noxious Weed List (2 Miss. Code R. 1-3-01-136.01).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Helenium amarum (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: C. via iNaturalist · CC0 · resized.


