Blue mistflower, wild ageratum, and blue boneset.
It is found in the Asteraceae, or aster, Family.
It is a wildflower that grows to a height of approximately 3 feet.
Blue mistflower leaves are stalked and opposite on the stems. Margins are toothed. They are ovate to almost triangular in shape with a wrinkled texture and 3 veins.
The blue flowers appear in the summer and fall.
It occurs naturally in moist meadows, roadsides, woodland borders, riparian areas, and wet woodlands.
It is native to the following states: AL, AR, DC, DE, FL, GA, IL, IN, KS, KY, LA, MD, MI, MO, MS, NC, NE, NJ, NY, OH, OK, PA, SC, TN, TX, VA, and WV.
In the home landscape it grows in full sun to part shade. It looks best en mass in a natural setting because the flowers are small. It can be grown in containers as well.
The flowers are a nectar source for many small insects.
Propagation is achieved by growing it from seed or transplants. Rather large plants will transplant well if kept very moist and the flowers removed.