Ruellia humilis, commonly called wild petunia, is a native perennial which occurs in dryish soils in open woods, glades, prairies and fields throughout the State except for the far southeastern lowlands. Typically grows to 2' tall. Features tubular, bell-shaped, petunia-like flowers, each with five shallow rounded lobes. May to October bloom period. Lavender to lilac flowers appear singly or in clusters. Oblong to lanceolate, olive green leaves to 4" long. Leaves and stems are hairy.
- Type: Perennial
- Native
- Zone: 4 to 8
- Height: 1.50 to 2.00 feet
- Spread: 1.50 to 2.00 feet
- Bloom Time: May to October
- Bloom Description: Lavender/lilac-blue
- Sun: Full sun to part shade
- Water: Dry to medium
- Maintenance: Medium
- Suggested Use: Rain Garden
- Flower: Showy
- Attracts: Butterflies
- Tolerate: Drought, Dry Soil, Shallow-Rocky Soil