PlotPal

Great Blue Lobelia

Great Blue Lobelia is listed botanically as Lobelia siphilitica. It may also be listed as Blue Cardinal Flower, great lobelia, blue cardinal-flower, great blue lobelia. The current taxonomy reference places it in the genus Lobelia and in the family Campanulaceae. Its source-backed growth habit is listed as forb/herb. PlotPal currently carries Great Blue Lobelia as an outdoor growing and flower reference. Recorded garden roles include native, pollinator, rain garden. Use this guide as practical growing context, then adjust decisions to the actual weather, soil, container or bed, variety, and conditions in your garden.