This section is from the book "The Gardener V1", by William Thomson. Also available from Amazon: The New Organic Grower: A Master's Manual of Tools and Techniques for the Home and Market Gardener.
This species grows from 2 feet to 3 feet high in bold, somewhat coarse, but rounded habit, producing large, smooth, wavy leaves, toothed, and in form like some of the familiar Thistles, the teeth being furnished with bristling spinelike hairs. The flowers are large, pure white, in numerous flowered panicles; flowers in July and August; native of Mexico. It is best adapted for culture in the back lines of warm, sheltered borders, or among shrubs in beds or borders.