Moss Verbena (Verbena tenuisecta) - Sprawling perennial that blooms clusters of small purple flowers from April - first frost. 
 
Growth: Can grow up to 5 or 6 inches tall.
Light: 8 - 10 hours a day of full sun.
Soil: Likes well drained soil.
Hardiness: Adapted to heat & slopes. Drought tolerant. Deer & rabbit resistant.
Maintenance: Low maintenance once established. Mow in winter.
Benefits: Attracts butterflies & bees.