The bitter milk wort is an evergreen, elegant shrub with high ornamental value. It is sensitive to cold, prefers fertile soils and semi-shaded positions and it blooms throughout the year. The root and the rhizome are the useful parts of the plant. The bitter milk wort has come from the North American Indians. It has excellent, useful properties for the treatment of asthma. If you take a large portion, it can irritate the intestinal walls and cause vomiting.