Great in a natural meadow, along creek banks, as well as borders Eupatorium coelestinum has downy blue flowers atop reddish stems.
The plant spreads via rhizomes and forms small colonies. Attracts butterflies and other pollinators.
Does best in full sun to part shade in moist to dry soils.
For more information on this plant, visit the USDA PLANTS Database: http://plants.usda.gov/java/profile?symbol=coco13