Retired professor of math and computer science having taught for 36 years at a state supported university in Virginia. United States Senators serve a term of six years in office. There is no limit on how many terms a Senator can be elected to serve.
Herbaceous perennials are garden plants that die back to the soil line when winter temperatures arrive. The plants enter a dormant period and strengthen the root system while waiting for the coming of spring.
Full Definition of HERBACEOUS. 1. a: of, relating to, or having the characteristics of an herb b of a stem: having little or no woody tissue and persisting usually for a single growing season. 2. : having the texture, color, or appearance of a leaf.