Taxonomy

Garden Dictionary definition:

tax-on-o-my   

pronunciation: tak-son-uh-mee

noun

1. The practice of classifying plants according to their presumed natural relationships.

2. Slang. the practice of classifying gardeners according to their presumed natural relationships to money. In the United States the classification is done annually in mid-April. Economists have noted a concurrent drop in sales at garden centers when this classification occurs.