Achillea species
Achillea filipendulina (Cloth of gold) Gold. Perennial. May to November Bloom. 2' to 4' height. Full Sun. Origin: Europe. Zones: 3, 4, 5, 6, 7, 8, 9. Soil: well drained. 2,790,000 seeds per pound. Seeding Rate: 1/2 lb. per acre
Achillea millefolium occidentalis (Western yarrow). White. Perennial. Mid Season Bloom. 12-36" height. Prefers full sun. 2,800,000 per pound. Origin: Europe. Naturalized in North America. Zones: 3-10. Recommended Coverage: 1 oz. up to 1,200 Sq. Feet. 1 lb. Up to 20,000 Sq. Ft.