Botanical name: Achillea ptarmica Family: Asteraceae (Sunflower family)
Synonyms: Achillea grandis, Chrysanthemum ptarmicifolium
Sneezeweed is a grayish perennial with an erect, slightly hairy stem that grows to about 60 cm and dies back in the winter. The composite flowers consist of off-white short and broad rays (petals) surrounding a yellowish brown disc. Size of the ray and disk florets vary in different cultivars.
Identification credit: Altagadener @ Dave's Garden
The flower labeled Sneezeweed is ...