Wild PetuniaRuellia humilis
Wild Petunia produces beautiful lavender blooms in the peak of summer’s hot and dry period, providing an important food source for pollinators including long-tongued bees and butterflies. A resilient species, it can handle a range of condition and works well as a ground cover.
USDA symbol: RUHU
General Information
| Plant Type | Forb |
|---|---|
| Height | 1 to 2 feet |
| Light Exposure | Sun |
| Soil Moisture | Dry, Medium |
| Bloom Color | Purple |

Tolerances
| Flooding / Inundation Tolerance | Low |
|---|---|
| General Resilience | 5 |
| Salt Tolerance | Medium |
| Stress Tolerance | Drought Tolerant, General Disturbance |
Pollinator Value: Low
| Bloom Months | July to September |
|---|---|
| Larval Host of | Butterflies |
| Specific Pollinators Hosted | Junonia coenia |
| Pollinator Benefit | Insect Pollinated, Provides Nectar, Supports Generalists |
Project Planning
| Project Type | Erosion Control, Restoration |
|---|---|
| Coefficient of Conservatism | 5 |
| Herbivore Sensitivity | Low |
| Lifespan | Perennial |
| Rate of Spread | Medium |
| Soil Stabilization | Deep |
| Vegetative Reproduction | Clonal |
Range
| County | Washington |
|---|---|
| Ecoregion | Driftless Area, Western Cornbelt Plains |
| Approximate Eco Province | Eastern Broadleaf Forest, Prairie Parkland |