Lobelia siphilitica var. alba, commonly known as Great White Blue Lobelia or White Cardinal Flower is a herbaceous, perennial dicot native to eastern and central Canada and the United States. It thrives in moist to wet soils and can grow up to 3 ft tall in zones 4 to 9. Its spike of zygomorphic flowers blooms in late summer, making it a wonderful addition to any garden.
Not only is Lobelia siphilitica var. alba a beautiful plant, but it also has a long history of medicinal use. Native North American Indian tribes believed that the finely ground roots could avert divorce and restore love between arguing couples. The root is cathartic, diaphoretic, and emetic and is commonly used to treat dropsy, diarrhea, stomach complaints, syphilis, and dysentery. The leaves have analgesic and febrifuge properties, and an infusion has been used to treat colds and fevers.
This specific variety produces stunning white flowers that will add a unique touch of elegance to any garden. It is also possible to make a homeopathic remedy from its roots. If you're looking to add a beautiful and unique plant with a rich history of medicinal use to your garden, consider Great White Blue Lobelia or White Cardinal Flower.