Microeconomics is primarily concerned with the factors that affect individual economic choices, the effect of changes in these factors on the individual decision makers, how their choices are coordinated by markets, and how prices and demand are determined in individual markets.
Tansy is a perennial member of the aster family, with serrated, fernlike leaves and flat bright yellow flowers that resemble buttons. Originally native to Europe and Asia, tansy is now widely grown and has a number of traditional medicinal uses, though most modern herbalists warn against its use by laymen.
You should probably not plant tansy in most areas of the United States. It is a noxious weed in 45 of the States and can push out natural vegetation. If you already have the plant and like its appearance, allow it to reseed in a controlled area.ow to Keep Tansy from Taking Over. Tansy is a Class C noxious weed in parts of the western states. The plants were originally introduced as decorative flowers and then became ânaturalizedâ in the U.S. The plant was once an important part of herb gardens and used to treat colds and fevers.