ACHILLEA. Yarrow. Europe, Asia, N. America. Rugged perennial daisies, with finely cut, often aromatic leaves and flat-topped flower clusters. Ours are mostly spring and summer blooming. Full sun, well drained soil, moderate to little watering when established. Most are hardy to 0o and below.
filipendulina Coronation Gold. Fernleaf yarrow. A widely spreading plant with finely cut grey leaves. Throughout the summer months it carries broad heads of brilliant yellow flowers on 2-3' stems.