National Botanic Garden of Wales, United Kingdom

Common name: ystrewlys, sneezeweed, ball of snow, European pellitory, fair maids of France, goosetongue, seven years' love, sneezewort, sneeze yarrow, white tansy, wild pellitory

Family: Asteraceae

Distribution: Europe, Japan to Russian Far East

Habitat: Wetlands

IUCN Red list: Least concern

Hardiness: (H7) Very hardy. < -20°C (USDA 6a-1)

Life form: Herbaceous perennial • Perlysiau lluosflwydd

Geirdarddiad / Etymology: Achillea (ak-ih-LEE-a): After the Greek warrior Achilleios, who reputedly used it to staunch wounds.

Geirdarddiad / Etymology: ptarmica (TAR-mik-uh): Causing sneezes.

Description: An erect perennial to 60cm tall with narrowly lance-shaped, finely-toothed, dark green leaves to 6cm long. Loose clusters of white flowerheads are borne in summer.