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Dwarf Ruellia, Mexican Petunia, Britton's Wild Petunia
Ruellia brittoniana

Upright, rounded to clumping habit. Narrow, 3 inch long, dark green leaves. Generally lush looking, but can become rangy. Trumpet-shaped flowers. Original purple-flowered variety is potentially invasive. Has several common cultivars with different flower colors: 'Blanca' is white, 'Katie' is blue, and 'Rosa' is pink. The cultivars are not known to be invasive. Prefers amended soils. Somewhat cold sensitive in our area. Cut back in late winter. Synonyms: Ruellia caerulea, Ruellia tweediana.

  • Plant type: Perennial, Groundcover
  • Maintenance level: Medium, Low
  • Water requirement: Low
  • Sun exposure: Full, Part Sun, Morning Sun, Afternoon Sun
  • Height range: 1–3 Feet
  • Width range: 2–4 Feet
  • Canopy value: 7 ft²
  • Growth rate: Medium
  • Seasonal habit: Evergreen, Semi-Evergreen
  • Flower color: Blue, White, Purple, Pink
  • Flower season: Spring, Summer, Autumn
  • General foliage color: Green
  • Design style: Pollinator Plants
  • Hardiness cold tolerance: 15 °F
  • Soil preference: Sand, Loam, Well Drained
  • Native location: Mexico
  • PH preference: Not Particular
  • Sunset zones: 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
  • USDA hardiness zone: 8a, 8b, 9a, 9b, 10a, 10b

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