One study showed it increases the number of white blood cells, which helps to fight infections. Coneflowers have become quite popular in recent years for their new colors and attractive flowers.

On display are fiery orange Cheyenne spirit coneflowers, PowWow White coneflowers, and eastern purple coneflowers, all crowded so closely together that the lawn has practically vanished.

Traditionally, cone flowers only came in purple or white, but with the hybridizing of a yellow variety, breeders started giving us reds, oranges, clear yellows, and a whole assortment of tropical ...