Bloomipedia
Common wild petunia (Ruellia nudiflora)
Photo: Sue Ann Kendall via iNaturalist · CC BY 4.0 · resized

Flower profile

Common wild petunia

Ruellia nudiflora

Native to Texas

Common wild petunia is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Texas it's most often seen in bloom in April–September.

4states
9,273TX sightings*
9,688U.S. sightings*

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

On our lists for: Texas

Quick look

Ruellia nudiflora, the violet ruellia or violet wild petunia, is a perennial plant in the acanthus family (Acanthaceae) found in North America. Despite the genus Ruellia being known as the wild petunias, they are not true petunias and are not closely related to them. The species thrives in disturbed areas and can sometimes be considered a weed.

  • It belongs to the Acanthaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) / a subshrub with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 4 states. USDA PLANTS
  • NatureServe lists it as native to Texas. NatureServe
  • In Texas, most iNaturalist sightings of it in flower come in April–September. iNaturalist
  • iNaturalist has 9,273 research-grade sightings of it in Texas, ranking #61 among the 109 flowers on our Texas list. iNaturalist

Common wild petunia gift ideas

Handmade common wild petunia gifts from independent makers.

When does it bloom?

In Texas, most flowering sightings come in April–September.

Flowering records by month in Texas (iNaturalist research-grade observations marked “Flowering”) (1,234 records)

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
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.

🌿 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 common wild petunia in 4 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Arizona, Louisiana, Mississippi, Texas.

Texas counties with USDA records: Aransas, Austin, Bastrop, Bell, Bexar, Blanco, Bosque, Brazoria, Brazos, Brewster, Brooks, Brown, Burleson, Burnet, Caldwell, Calhoun, Cameron, Colorado, Comal, Dallas, DeWitt, Denton, Dimmit, Fayette, Frio, Galveston, Gillespie, Goliad, Gonzales, Guadalupe, Harris, Hays, Hidalgo, Hill, Hood, Jackson, Jefferson, Jim Wells, Johnson, Karnes, Kendall, Kenedy, Kerr, Kimble, Kinney, Kleberg, La Salle, Lavaca, Lee, Leon, Live Oak, Matagorda, McLennan, McMullen, Milam, Montgomery, Navarro, Nueces, Pecos, Refugio, Robertson, San Jacinto, San Patricio, Somervell, Starr, Sutton, Tarrant, Travis, Uvalde, Val Verde, Victoria, Walker, Waller, Washington, Webb, Wharton, Willacy, Williamson, Wilson, Zapata, Zavala.

More Texas flowers

Sources