Narrow-leaved vervain also known as verbena simplex is a beautiful wild flower that is becoming increasingly rare in the wild. Charming lavender flowers begin emerging at the bottom of the raceme in June. New flowers will progressively emerge above the older ones, which gives this wonderful plant a long bloom period.
Verbena simplex is also comparatively drought tolerant and blooms most summer. It can be used as a border plant in a combination with other non-competitive perennials or can be planted in rock gardens or sandy areas. Verbena simplex nectar attracts various bees and moths (carpenter bees, cuckoo bees, leaf-cutting bees, green metallic bees and verbena moth). Verbena simplex is also a host for common buckeye larvae.