Best known as Cardnial Flowers, this species of lobeila native to North America has become a popular landscaping plant due to its height interest and intense flower color. Named after the Catholic Cardnials whose deep red robes the flowers truly resemble, Lobeila Cardinalis reaches about two and a half feet and shows long stalks of deep red flowers.   North America indegineous peoples used root tea from this plant to treat a variety of intestinal symptons.