Photo Credit
Courtesy of Kirby Miller, North Central College.

Great blue lobelia

Scientific name
Lobelia siphilitica
Plant Family
Plant Group
A short-lived perennial wildflower that grows up to three feet tall. It blooms purple-blue flowers in July to September.
Identification Hints

Great blue lobelia prefers a moist or wet soil and is widespread east of the Rocky Mountains. 

Did You Know?

Great blue lobelia is beneficial to native bees. However, to humans, all parts of the plant are toxic if eaten in large quantities.

States
AL, AR, CO, CT, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, PA, SC, SD, TN, TX, VA, VT, WI, WV, WY