Achillea millefolium, yarrow, Asteraceae, fragrant, herbaceous perennial, Native to the Pacific Northwest, white, flat or round topped cluster, ray flowers, fern like leaves, alternate, aromatic herb, 10-100cm tall, rhizomatous, medicinal, dry to moist, well-drained, open sites, meadows, rocky slopes, roadsides, clearings, good companion plant, attracts ladybugs and hoverflies, many cavity-nesting birds use yarrow to line their nests, full sun, zone 3-9, butterflies, hummingbirds, tough, drought tolerant, hot, dry, sunny
