General info: Ruellia caroliniensis, commonly called Carolina wild petunia, is a North American native perennial that thrives in moist to occasionally dry soil in part shade. This species only gets about three feet tall and easily self-seeds. Carolina wild petunia is adorned with bright purple blooms. These blooms sit atop vertical stalks.

Landscape uses: Ruellia caroliniensis is an attractive native perennial. This species prefers a shady spot. Plant this species in mass along a shady path for a nice pop of color. It also grows best in moist soil making it a great option for a rain garden. Carolina wild petunia stays pretty low which would be perfect for a blooming groundcover in a shady area.