Tennessee Smart Yards Native Plants
A comprehensive database of Tennessee native plants
Great Blue Lobelia
 Photo Courtesy Katie Walberg |
Great Blue LobeliaLobelia siphiliticaFull to part sun, wet to medium moisture level, most soils including clay, acidic to neutral pH. 2-3’ ft. height, late summer bloomer, violet blue flowers, may self-seed under optimum conditions.Germination Code: C(60), DNative Region: StatewideShowy flowers. This plant primarily occurs in wetlands in Tennessee. Needs constant moisture so does better in part shade if planted in a garden setting.flower;sun;wet;clay |
Tennessee Smart Yards Native Plants 
Does this species ever mutate to white flowers? Last night I saw one white one among blue ones.
Yes, it does occur in white although it is rare. It is Lobelia siphilitica alba. You can buy the seeds from Everwilde Farms in Wisconsin, a good company.