Flower profile
Tievine
Ipomoea cordatotriloba
Tievine 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 April–October.
*iNaturalist research-grade observations, as of October 17, 2026.
Quick look
Ipomoea cordatotriloba is a species of morning glory native to the southeastern United States and Mexico. Its common names include tievine and cotton morning glory.
- It belongs to the Convolvulaceae family. iNaturalist
- USDA PLANTS describes it as an herb (forb) / a vine with a perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 9 states. USDA PLANTS
- NatureServe lists it as native to Texas and Louisiana. NatureServe
- In Texas, most iNaturalist sightings of it in flower come in April–October. iNaturalist
- In Louisiana, most iNaturalist sightings of it in flower come in April–October. iNaturalist
- iNaturalist has 19,623 research-grade sightings of it in Texas, ranking #17 among the 109 flowers on our Texas list. iNaturalist
- iNaturalist has 456 research-grade sightings of it in Louisiana, ranking #77 among the 109 flowers on our Louisiana list. iNaturalist
Tievine gift ideas
Handmade tievine 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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Tievine art print
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Tievine greeting card
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Tievine mug
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Tievine earrings
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Tievine embroidery pattern
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Tievine sticker
When does it bloom?
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
- 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.
- Rare elsewhere
- Other states where NatureServe ranks it rare or missing: NC (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?
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.
ASPCA's entry “Morning Glory” (Ipomoea spp), which covers the whole genus, lists it as toxic to dogs, cats and horses. Signs include: Vomiting, large amounts of seeds may cause… 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 tievine in 9 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas.
Texas counties with USDA records: Anderson, Angelina, Aransas, Bastrop, Bell, Bexar, Blanco, Bosque, Brazoria, Brazos, Brewster, Brown, Burleson, Burnet, Calhoun, Cameron, Cass, Coleman, Colorado, Coryell, Dallas, DeWitt, Dimmit, Ellis, Erath, Falls, Freestone, Frio, Galveston, Gillespie, Gonzales, Grayson, Grimes, Guadalupe, Hardin, Harris, Hays, Hidalgo, Hill, Hood, Houston, Jackson, Jefferson, Johnson, Karnes, Kendall, Kenedy, Kerr, Kimble, Kinney, Kleberg, Lampasas, Lavaca, Live Oak, Llano, Matagorda, McLennan, Medina, Menard, Milam, Mills, Montgomery, Nacogdoches, Nueces, Palo Pinto, Parker, Polk, Presidio, Refugio, Robertson, San Patricio, San Saba, Schleicher, Somervell, Tarrant, Travis, Trinity, Tyler, Val Verde, Victoria, Walker, Waller, Washington, Webb, Willacy, Williamson, Wilson.
Louisiana counties with USDA records: Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard, Bienville, Bossier, Caddo, Calcasieu, Caldwell, Cameron, Catahoula, De Soto, East Baton Rouge, East Feliciana, Evangeline, Franklin, Grant, Iberia, Jackson, Jefferson, Jefferson Davis, LaSalle, Lafayette, Lafourche, Lincoln, Livingston, Madison, Morehouse, Orleans, Ouachita, Plaquemines, Pointe Coupee, Rapides, Red River, Richland, Sabine, St. Bernard, St. Charles, St. James, St. John the Baptist, St. Martin, St. Mary, St. Tammany, Tangipahoa, Tensas, Terrebonne, Union, Vermilion, Vernon, Webster, West Baton Rouge, West Carroll, West Feliciana, Winn.
More Texas flowers
Sources
- USDA, NRCS. PLANTS Database, profile IPCO8.
- iNaturalist, Ipomoea cordatotriloba: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Ipomoea cordatotriloba (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)).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Ipomoea cordatotriloba (global and state ranks).
- Edibility and toxicity: ASPCA.
- Photo: Amber M. King via iNaturalist · CC BY 4.0 · resized.