Verbena Bonariensis also known as Argentinian Vervain, Verbena Bonariensis – Buenos Aires, Purpletop Vervain, Clustertop Vervain, Argentinian vervain , Tall Verbena, Pretty Verbena part of the Verbenaceae family of plants and a herbaceous perennial.
Verbena Bonariensis is native to South America. It grows rather tall about 2meters tall with erect branches that have clusters of fragrant purple flowers and a few leaves sparsely spaced. It flowers in summer and fall. Plant Verbena Bonariensis in moist well-drained soil in the sun and cut them down when the flowers are done.