Tennessee Smart Yards Native Plants

A comprehensive database of Tennessee native plants

Great Blue Lobelia

Great Blue Lobelia

Lobelia siphilitica

Full 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), D

Native Region:  Statewide

Showy 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
flower;sun;wet;loam
flower;sun;wet;sand
flower;sun;medium;clay
flower;sun;medium;loam
flower;sun;medium;sand
flower;sun/shade;wet;clay
flower;sun/shade;wet;loam
flower;sun/shade;wet;sand
flower;sun/shade;medium;clay
flower;sun/shade;medium;loam
flower;sun/shade;medium;sand
 

2 responses to “Great Blue Lobelia

  1. Glenn September 3, 2020 at 11:44 am

    Does this species ever mutate to white flowers? Last night I saw one white one among blue ones.

    • joystewart September 7, 2020 at 1:54 am

      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.

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