Any of about 115 species of perennial herbs that make up the genus Achillea in the aster family (Asteraceae), native mainly to the northern temperate zone. Some species are cultivated as garden ornamentals. They have toothed, often finely cut, sometimes aromatic leaves. Many small white, yellow, or pink flowers are often grouped into flat-topped clusters, which can be dried for winter bouquets.
Yarrow (Achillea millefolium variety lanulosa)—Dennis E. Anderson
This entry comes from Encyclopædia Britannica Concise.
For the full entry on yarrow, visit Britannica.com.
Seen & Heard
What made you look up yarrow? Please tell us what you were reading, watching or discussing that led you here.