Horse Mint or Giant Hyssop or Nettleleaf Giant Hyssop Lamiaceae:
Soft blue flowers and scented foliage. Plants should have a well draining but moist soil, loved by butterflies. Plants grow one to five feet tall, in full sun they are shorter and more compact. In open shade plants will grow well too, but will be on the taller side of three to five feet. Blooms early to mid summer.