Common yarrow
Achillea millefolium
- Notice
- Flat white flower clusters
- When
- Spring–early fall
- Habitat
- Sunny open ground
- Best cue
- Fernlike leaves
Common yarrow has finely divided, fernlike leaves and many tiny white flowers gathered into broad, flat-topped clusters.
Its long flowering season makes it a useful summer subject in meadows, pollinator plantings, and other sunny open spaces across the Pacific Northwest lowlands.