36? x 24? wide, This favorite wildflower blooms heavily for many weeks in late summer, making this plant invaluable for brightening the garden in the dog days of summer. Easily grown in a wide range of soil types, it also grows well in clay. Echinacea is a superb companion plant for a wide range of perennials including lavender, Phlox ?David?, and Golden Rod. Highly attractive to butterflies.