Herbaceous perennial. Sow seed in greenhouse in early spring, or direct seed to fertile garden bed. Transplant out to moist, sunny location when seedlings reach 2 inches. The entire plant contains high-grade mucilage which stimulates phagocytosis, thereby enhancing immune function. The leaves and flowers, when dried, make a healing tea, very acceptable to patients who are having difficulty swallowing liquids. It is soothing to throat and urinary tract.