|Named for its green leaves with yellow margins when young, maturing to green with creamy-white margins. Clusters of up to 1 foot panicles of fragrant flowers in red to purple bloom throughout the summer. Graceful, arching branches bear pointed silvery-green leaves to 10 inches long. Reaches up to 10 feet tall and about 15 feet wide. Ideal for attracting butterflies. Combines well with other perennials, especially daylilies and shasta daisies. This is one plant that thrives on severe pruning.