Flower profile

American trumpet vine

Campsis radicans

Native in the lower 48

American trumpet vine is a flowering plant that USDA PLANTS lists as native in the lower 48 states. It's on our flower lists for 20 states, and across the U.S. it's most often seen in bloom in May–September.

38states

20of our state lists

62,385U.S. sightings*

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

On our lists for: Alabama, Arkansas, Delaware, Florida, Georgia, Indiana, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Virginia

Quick look

Campsis radicans, the trumpet vine, yellow trumpet vine, or trumpet creeper, is a species of flowering plant in the trumpet vine family Bignoniaceae, native to eastern North America, and naturalized elsewhere. Growing to 10 metres, it is a vigorous, deciduous woody vine, notable for its showy trumpet-shaped flowers. It inhabits woodlands and riverbanks, and is also a popular garden plant.
From Wikipedia's article Campsis radicans, CC BY-SA 4.0.

It belongs to the Bignoniaceae family. ^iNaturalist
USDA PLANTS describes it as a vine with a perennial life cycle. ^{USDA PLANTS}
USDA PLANTS lists it as native in the lower 48 states and records it in 38 states. ^{USDA PLANTS}
In Texas, most iNaturalist sightings of it in flower come in May–October. ^iNaturalist
In Virginia, most iNaturalist sightings of it in flower come in June–September. ^iNaturalist
USDA PLANTS lists its flower color as red. ^{USDA PLANTS}
USDA PLANTS gives its bloom period as summer. ^{USDA PLANTS}
USDA PLANTS lists a mature height of about 2 ft. ^{USDA PLANTS}
iNaturalist has 12,540 research-grade sightings of it in Texas, ranking #40 among the 109 flowers on our Texas list. ^iNaturalist
iNaturalist has 5,243 research-grade sightings of it in Virginia, ranking #20 among the 110 flowers on our Virginia list. ^iNaturalist
iNaturalist has 5,206 research-grade sightings of it in North Carolina, ranking #16 among the 111 flowers on our North Carolina list. ^iNaturalist

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When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (4,215 records)

Bloom time in each of our 20 states

State	Type	Peak bloom	Sightings*
Texas	Native	May–October	12,540
Virginia	Native	June–September	5,243
North Carolina	Native	June–August	5,206
Florida	Native	May–October	3,599
Maryland	Native	June–September	3,589
Tennessee	Native	May–September	2,794
Georgia	Native	May–August	2,785
Alabama	Native	May–September	2,399
Louisiana	Native	May–October	2,071
Ohio	Native	June–September	1,918
Missouri	Native	June–September	1,666
South Carolina	Native	May–September	1,633
New Jersey	Native	June–September	1,404
Kentucky	Native	June–August	1,351
Indiana	Native	June–August	1,292
Oklahoma	Native	May–September	1,163
Arkansas	Native	May–September	1,154
Mississippi	Native	May–September	916
Delaware	Native	June–August	560
Kansas	Native	June–September	553

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}
Virginia: Not listed Not on Virginia endangered and threatened plant and insect species (2VAC5-320-10). NatureServe: S5, secure in Virginia. ^2VAC5-320-10
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}
Florida: Not listed Not on Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055). NatureServe: S5, secure in Florida. ^{FAC 5B-40.0055}
Maryland: Not listed Not on Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08). NatureServe: SNR, not yet ranked in Maryland. ^{COMAR 08.03.08}
Tennessee: Not listed Not on Tennessee endangered plants (Tenn. Comp. R. & Regs. 0400-06-02-.04, Rare Plant Protection and Conservation Act). NatureServe: SNR, not yet ranked in Tennessee. ^{TN rule 0400-06-02-.04}
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.
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.
Ohio: Not listed Not on Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024). NatureServe: SNR, not yet ranked in Ohio. ^{OAC 1501:18-1-03}
Missouri: Not listed Not on Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants. NatureServe: SNR, not yet ranked in Missouri. ^{3 CSR 10-4.111}
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: S5, secure in South Carolina.
New Jersey: Not listed Not on New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1). NatureServe: S5, secure in New Jersey. ^{N.J.A.C. 7:5C-5.1}
Kentucky: Not listed Not on Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026). NatureServe: S5, secure in Kentucky. ^{400 KAR 3:040}
Indiana: No list Indiana has no state law listing endangered or threatened plants (the DNR keeps a rare plant list, but it isn't regulatory), so we show NatureServe's Indiana ranks instead. NatureServe: S5, secure in Indiana.
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.
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.
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.
Delaware: Not listed Not on Rare and Uncommon Plants of Delaware (DNREC, 2024; informational, Delaware has no state plant-protection list). NatureServe: S5, secure in Delaware. ^{DE rare plants 2024}
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.
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 peoplePoisonous to people

NC State Extension lists it as poisonous to humans (severity: low). Poisonous parts: flowers, leaves. Symptoms they list: “Causes low toxicity if eaten. Contact with the sap can cause minor skin irritation with redness and swelling usually lasting for a few minutes.” ^{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 American trumpet vine in 38 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, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin; District of Columbia.

Texas counties with USDA records: Anderson, Angelina, Aransas, Bastrop, Bell, Bexar, Bowie, Brazoria, Brazos, Brown, Burleson, Chambers, DeWitt, Fannin, Fayette, Fort Bend, Galveston, Goliad, Gonzales, Grayson, Grimes, Harris, Karnes, Kleberg, Live Oak, Madison, McLennan, Montgomery, Morris, Navarro, Newton, Orange, Robertson, Rusk, San Jacinto, San Patricio, San Saba, Sutton, Taylor, Travis, Trinity, Walker, Washington, Wharton.

Virginia counties with USDA records: Accomack, Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington, Augusta, Bath, Bedford, Botetourt, Brunswick, Buckingham, Campbell, Caroline, Charles City, Charlotte, Chesapeake , Chesterfield, Clarke, Craig, Culpeper, Cumberland, Dickenson, Dinwiddie, Essex, Fairfax, Fauquier, Fluvanna, Franklin, Frederick, Giles, Gloucester, Goochland, Greene, Greensville, Halifax, Hampton , Hanover, Henrico, Henry, Isle of Wight, James City, King George, King William, King and Queen, Lancaster, Lee, Loudoun, Louisa, Lunenburg, Madison, Mathews, Mecklenburg, Middlesex, Montgomery, Nelson, New Kent, Newport News , Northampton, Northumberland, Nottoway, Orange, Page, Pittsylvania, Powhatan, Prince Edward, Prince George, Prince William, Pulaski, Rappahannock, Richmond, Roanoke, Rockbridge, Rockingham, Russell, Scott, Shenandoah, Smyth, Southampton, Spotsylvania, Stafford, Suffolk , Surry, Sussex, Virginia Beach , Warren, Washington, Westmoreland, Wise, Wythe, York.

North Carolina counties with USDA records: Alamance, Alexander, Anson, Beaufort, Bertie, Bladen, Brunswick, Cabarrus, Caldwell, Carteret, Caswell, Catawba, Chatham, Chowan, Cleveland, Columbus, Craven, Cumberland, Dare, Davidson, Davie, Duplin, Durham, Edgecombe, Forsyth, Franklin, Gaston, Gates, Graham, Granville, Greene, Guilford, Halifax, Harnett, Hertford, Iredell, Jackson, Johnston, Jones, Lee, Lenoir, Lincoln, Madison, Martin, McDowell, Mecklenburg, Montgomery, Nash, New Hanover, Northampton, Orange, Pamlico, Perquimans, Pitt, Randolph, Richmond, Robeson, Rockingham, Rowan, Sampson, Scotland, Stanly, Stokes, Surry, Tyrrell, Union, Vance, Wake, Warren, Washington, Watauga, Wayne, Yadkin.

More Texas flowers

Cross vine

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Firewheel

Gaillardia pulchella

★ OK state wildflowerNative

🌼 Blooms in TX: March–July

Sources

USDA, NRCS. PLANTS Database, profile CARA2.
iNaturalist, Campsis radicans: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
Wikipedia, Campsis radicans (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)).
Virginia: Virginia endangered and threatened plant and insect species (2VAC5-320-10).
Virginia: Virginia noxious weeds (2VAC5-317-20, Tier 1, 2 and 3).
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).
Florida: Florida Regulated Plant Index (Fla. Admin. Code 5B-40.0055).
Florida: Florida Noxious Weed List (Fla. Admin. Code 5B-57.007).
Maryland: Maryland threatened and endangered plants (COMAR 08.03.08.05, .06 and .08).
Maryland: Maryland Prohibited Invasive Plant List (COMAR 15.06.04.06; MDA, updated July 2026).
Tennessee: Tennessee endangered plants (Tenn. Comp. R. & Regs. 0400-06-02-.04, Rare Plant Protection and Conservation Act).
Tennessee: Tennessee Pest Plant List (Tenn. Comp. R. & Regs. 0080-06-24-.02).
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).
Ohio: Ohio endangered and threatened plants (Ohio Adm. Code 1501:18-1-03, eff. Dec. 26, 2024).
Ohio: Ohio invasive plant species (Ohio Adm. Code 901:5-30-01).
Missouri: Missouri Wildlife Code endangered species (3 CSR 10-4.111), plants.
Missouri: Missouri noxious weed list (2 CSR 70-45.005).
South Carolina: South Carolina State Plant Pest List, plants (S.C. Code Regs. 27-135; Clemson Dept. of Plant Industry).
New Jersey: New Jersey Endangered Plant Species List (N.J.A.C. 7:5C-5.1).
New Jersey: New Jersey prohibited invasive plant species (Invasive Species Management Act; propagation banned from Jan 1, 2027, sale from Jan 1, 2030).
Kentucky: Kentucky endangered and threatened plant lists (400 KAR 3:040, eff. 2026).
Kentucky: Kentucky noxious weeds and invasive plants on state rights-of-way (KRS 176.051; species list from the Kentucky Transportation Cabinet).
Indiana: Indiana prohibited invasive terrestrial plants (312 IAC 18-3-25).
Oklahoma: Oklahoma Noxious Weed Law (2 O.S. § 3-220).
Arkansas: Arkansas State Plant Board noxious weeds and prohibited plants (2 CAR § 50-101).
Mississippi: Mississippi Noxious Weed List (2 Miss. Code R. 1-3-01-136.01).
Delaware: Rare and Uncommon Plants of Delaware (DNREC, 2024; informational, Delaware has no state plant-protection list).
Delaware: Delaware Invasive Plant List (3 Del. Admin. Code § 806-3.0).
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, Campsis radicans (global and state ranks).
Edibility and toxicity: NC State Extension.
Photo: Annika Lindqvist via iNaturalist · CC BY 4.0 · resized.