Purple butterfly bushes range in color from very dark violet to light violet purple. Common varieties include the African Queen, Black Knight, Dubonnet, Empire Blue, Harlequin, Nanho Purple and Royal Red. The African Queen panicles are a dark violet shade that can measure up to 8 inches long. The Nanho Purple variety is compact in size and it produces a magenta purple flower. The Dubonnet is a well-known variety of butterfly bush that has a soft violet flower.
Pink butterfly bushes range in coloration from mauve purple blends to mauve and blue varieties. The Pink Delight variety has a true pink flower that measures from 6 to 12 inches. The Charming variety has 6- to 8-inch pink flowers with orange throats, and the Dartmoor butterfly bush produces a mauve and purple blend that has multibranched flower heads. The Nanho Blue variety has a compact flower with a mauve and blue blend coloration.
The White Profusion butterfly bush variety has a pure white flower. The bush can reach up to 8 feet tall and has long flowers. The white variety blends well in areas where other flowers are present and complements red flowers well.
Many hybrid butterfly bush varieties are available in shades of gold, orange, red, purple and pink. The BiColor variety features a mix of pink and gold compact blooms. The Harlequin variety is a compact plant with maroon blooms. Twilight can grow up to 10 feet tall and features deep purple flowers. The Purple Ice Delight variety is a moderate 8-foot plant with dark purple flowers that include a hint of pink accenting.