Achillea millefolium

Achillea millefolium, yellow yarrow, Asteraceae, fragrant, herbaceous perennial, Native to the Pacific Northwest, bright canary yellow, 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,