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.
The gerber daisy (Gerbera jamesonii) is a native of South Africa and an important crop for the cut-flower industry. Blooming in brightly-colored flowers that can measure 4 to 5 inches across, gerber daisies add spark to the garden. These flowers are easy to grow in containers or in the flower bed, given sunshine in the morning and afternoon shade in particularly hot regions.