Verbena bonariensis

Multiple long, thin stems topped with clusters of 2" heads packed with tiny flowers. Blooms July to frost. Attracts bees and butterflies. Also known as purple top verbena, tall verbena, South American vervain, and purple-top verbena. Perennial in Zones 7-10 but can be grown as an annual.Specs:Plant Height: 36–48"Packet: 100 seedsAvg. 122,000 seeds/oz