Asian Chasteberry. Originally found growing in the foothills of western China and East Asia, as high as 4000 feet. This unusual cultivar has attractive cannabis shaped leaves and lavender purple blooms. Vitex negundo prefers a well drained site in full sun and is very drought tolerant once established. The roots, leaves and fruits of the plants have traditionally been used as a decoction to treat heat stroke, dysentery, malaria and to promote a sweat in feverish conditions. Has a history of use in Chinese medicine and Ayurveda as an infection fighter, and a toni . Easy to grow into an attractive 12 foot shrub/small tree. Very hardy to zone 6.