This perennial ornamental herb is as versatile as it is lovely. Known as Herb of Grace, Garden Rue and Common Rue, it is a wonderful addition to the herb garden because it is evergreen and can be pruned and shaped into a hedge. It is often used in knot gardens. The base becomes woody but the tips remain herbaceous. By mid-summer, the Rue herb plant has yellow flower clusters covering most of the plant. As a medicinal herb, Garden Rue herb has been used to rid the body of worms. It is antispasmodic and used to treat intestinal cramps. As a culinary herb, fresh leaves are used to flavor meats, cheese, and eggs. It has a rather bitter taste that goes well with acidic flavors and is used in pickling.