General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 7b -15 °C (5 °F) to -12.2 °C (10 °F)
Maximum recommended zone: Zone 11
Plant Height: 24 to 36 inches
Plant Spread: 24 to 36 inches
Leaves: Evergreen
Other: Goes dormant in colder zones
Flowers: Showy
Flower Color: White
Bloom Size: 1"-2"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Year Round
Underground structures: Rhizome
Uses: Will Naturalize
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Humidity tolerant
Drought tolerant
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots

Common names
  • Desert Petunia
  • Florida Bluebells
  • Mexican Petunia
  • Mexican Blue Bells
Botanical names
  • Accepted: Ruellia simplex
  • Synonym: Ruellia tweediana

Comments:
  • Posted by tabbycat (Youngsville, LA - Zone 9b) on Jun 21, 2018 4:18 PM concerning plant:
    I've grown this dwarf variety for years. They are perennial here in zone 9 and are propagated by root stock and seeds. It's mid June and they are starting to bloom and will continue into fall. Mine have never exceeded 6" tall and wide. The cute snow-white flowers are about 2" across.

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