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.
Herbaceous Perennials and Small Shrubs. Herbaceous perennials and small shrubs such as penstemon (especially Penstemon parryi), brittlebush (Encelia farinosa), and fairy duster (Calliandra eriophylla) also require rain to bloom but are less sensitive to its timing.