PULLMAN, Wash. — Farmers get excited when they hear about Washington State University postdoctoral researcher John Hadish’s new yarrow project. “People seem to light up about it,” he said. “That’s ...

Common yarrow (Achillea millefolium) is a native perennial forb found throughout the United States. Found in lawn areas, around planting beds, in mildly disturbed soils of grasslands and open forests.

Two widespread Northcentral Texas and Southwestern Oklahoma plants are sometimes considered weeds but regardless, are attractive additions to the flora. Both are very hardy, and many individuals of ...