• Appearance: Herbaceous perennial with dark green or purple-tinted stems.
• Flowers: Prolific, petunia-like lavender-blue or purple blooms from summer through fall.
• Hardiness:
   Zones 8-10, though it can survive in Zone 7 with heavy mulch.
• Conditions: Thrives in high heat, humidity, and is drought-tolerant once established. It can also thrive in wet, boggy soils, or in shallow water

Ruellia brittania or brittoniana
Wild Petunia