Robust native perennial and great pollinator plant.
Grows up to 6' on rich moist soils, but in average or drier soil will reach 3-4' of height and 2' of width. Smaller flowers are pale purple, but from the distance look silvery, flowers continuously for long period of time from July to the end of September.
Adaptable and easy to grow plant, full sun, half shade up to light shade, loves rich moist soil, but will grow in average garden soil, or medium moist to medium dry soils too.
Hardy in zones 3 to 8, native wildflower for Midwest, Eastern part of USA and Canada, see the USDA distribution map.
Deer and rabbit resistant plant. Highly valuable plant for native bees, bumblebees and honeybees. Seed will feed small song birds.
Best for pollinator garden, honeybee gardens, naturalistic gardens, cottage gardens, woodland edges or naturalization. It is not very competitive plant, so may need some soil disturbance to selfseed.
Good companions are Asters,Baptisia, Echinacea purpurea, Liatris, Lobelia, Physostegia, Rudbeckia, Phlox paniculata or Veronicastrum.
Sometimes mentioned as Agastache scrophulariaefolia.
Picture copyright : Ross Dunn, Flickr
Pot size : square 3.5" x 4" deep perennial pot