This extremely hardy  versatile plant has aromatic feather-like leaves that are lacy and a rich green.  Dense spreading mats are formed by underground rhizomes which makes it an excellent substitute for a meadow planting.  White  umbellate flower heads form in clusters which makes a great landing area for bees and butterflies. Yarrow is a host for butterfly larvae and is an important addition to a butterfly garden.It has many other uses including; as a groundcover  lawn substitute  in wildflower gardens and meadows  along a walkway  in perennial borders or under oaks. The possibilities are endless. The flower heads may be used in arrangements. If picked and dried quickly  they can be used for a dried flower arrangement. The leaves can be used as a salad green. Yarrow is a historically important medicinal plant with a  wide variety of uses such as; snuff  poultice  wound dressing  astringent  antidepressant  stimulant  antispasmodic  fever reducer  blood pressure reducer  perspiration inducer and baldness prevention for centuries.