The Buddleia davidii 'Bonnie' is a choice shrub was named by Professor Dirr of the University of Georgia, for his wife. The lavender-purple flowers have an orange eye. The inflorescence grows to 10 inches long with other blossoms coming out shortly afterwards. The unusual fragrant blossoms of the Buddleia davidii 'Bonnie' are excellent as cut flowers. Buy yours from Ty Ty Nursery today! The bush of the Buddleia davidii 'Bonnie' plant can grow to a height of six feet. The plants can survive droughts and are salt water tolerant.