This is a power plant, beautiful purplish-blue to lavendar flowers adorn the panicles slowing blooming from the bottom up in the summer. This plant is found in moist to wet sites and is great for planting around streams, ponds or in rain gardens.
 
Blue Verbena or Swamp Verbena as it is also known, is a host plant to the common buckeye butterfly and the verbena moth. It attracts a wide variety of bees as well as a wide range of other pollinators. Birds love the seeds.