University of Illinois Extension
Directory of Wildflowers - University of Illinois Extension

Directory of Wildflowers

Wild Petunia
Ruellia humilis

Wild Petunia
Wild Petunia

Quick Profile

Exposure
Full Sun
Partial Sun/Shade
 
Mature Height
8 - 12 Inches
 
USDA Hardiness Zones
4 - 8 
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
Soil Conditions
Dry
Moist, Well-Drained
 
Bloom Color
Lavender
 
Bloom Season
June - September
 

Features

Light purple, petunia-like flowers (each flower is open for only one day).

Culture

Full sun to partial shade; moist, well drained soils. Tolerates some dryness.

Notes

Found in prairies and open woods. Self sows. Listed as threatened in Michigan and endangered in Wisconsin.