From the Greek pyr, fire, probably with reference to fever, since the plant was used medicinally to assuage fever (Compositae). These hardy plants are admirable for a sunny border and last well as cut flowers. Long known as pyrethrum they are botanically classified under Chrysanthemum. Species cultivated P. roseum (syn. Chrysanthemum coccineum), 1-2 feet, with large, daisy-like flowers in May […]