Additional notes (click to expand)
Medicinal
Two Achillea species—A. millefolium and A. ageratum—are described in an 18th-century Polish medical help book entitled Compendium medicum auctum as natural remedies, also for skin disorders
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8018854/ Drobnik J., Bacler B. Medicinal plants in an 18th-century Polish medical guide compendium medicum auctum. Part 2. Annales Academiae Medicae Silesiensis. 2009;63:51–65. [Google Scholar] [Ref list]
Other use
The leaves are edible raw or cooked:
They are used in soups, stews etc., and as a flavouring in potato salad etc. The aromatic leaves are used as a tea substitute [S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990]
http://www.pfaf.org, https://pfaf.org/User/Plant.aspx?LatinName=Achillea+ageratum
Achillea ageratum L.
Family: ASTERACEAEGenus: Achillea
Species: ageratum L.
Common names: English Mace, Mace, Sweet Nancy
Distribution summary: Europe
Habit: Perennial
Hardiness: H7 - Very hardy
Habitat: Moist meadows.
Garden status: Currently grown
Garden location: Europe & Mediterranean (E)
Flowering months: July, August, September
Reason for growing: Medicinal