Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Ruellia humilis you will need.
*Correct and successful spacing is complex and depends on project conditions.
Ruellia humilis
Wild Petunia
- Native perennial
- Tubular, petunia-like, lavender colored flowers
- Great in native, rock or wild gardens
- Hardiness Zone: 4-8
- Height: 12-18 in
- Spread: 12-18 in
- Bloom Color: Lavender
Ruellia humilis