Agastache scrophulariifolia - Purple Hyssop

Herbaceous perennial growing up to 5 feet tall. Grows in sun to shade and medium to moist soils. Purple flowers bloom from July to September. Individual plants are relatively short-lived (3-4 years) and will need to either reseed into an area or be replaced. Flowers are attractive to a wide range of pollinators.
 
Family: Lamiaceae