Ruellia humilis

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Common Name: Wild Petunia

Full sun, medium to dry moisture level, any soil including clay, slightly acid to neutral pH.  1 ft. height, blooms over a long period in summer, purple flowers, rapid re-seeder.

Germination Code: C(70)

Native Region: Central Basin and Valley and Ridge Provinces and very lightly elsewhere

Wild petunia has an attractive flower and can make a good groundcover.  However, plants can shoot seeds up to 10 feet away so it can be invasive.

Wild Petunia - Ruellia humilis
Photo Courtesy Katie Walberg