The Butterfly Bush Purple Emperor, 'Buddleia 'Purple Emperor', a Proven Winners selection, is a new cultivar that will not crowd its neighbors in your garden. They are about one third the size of most Butterfly Bush varieties and the butterflies and hummingbirds still love them. The plants are extra bushy and are loaded with colorful flowers. The purple flowers are good sized and have that delightful fragrance. This plant is perfect for smaller gardens and the mixed border. They can also be used as container plants in milder climates.