Wild Petunia

Wild Petunia

Ruellia humilis

This compact perennial bears purple flowers in spring fall.

  • Purple flowers are produced in spring fall, providing colour through the bloom season.
  • Compact clump, reaching 60 cm at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with average, dry soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Dry, Average
Drought Tolerant
✓
Hardiness Zone
4 – 4
Mature Height (meters)
0.5 – 0.6
Mature Spread (meters)
0.5 – 0.6
Growth Rate
Medium
Flower Colour
Purple
Foliage Colour
Green
Bloom Time
SpringFall
Habit
Compact
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Ontario Native
✓
Landscape Uses
Border
Growing & Maintenance Tips
Ruellia grows best in average to dry, well drained soil. Full sun to partial shade. Quite adaptable to many conditions and resistant to disease.
Notes
Almost nativein southern Ontario.

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