For more Oregon reading , check out: 1  These Are The 10 Best Places To Retire In Oregon. 2  These Are The 10 Most Miserable Cities In Oregon. 3  These Are The 10 Drunkest Cities In Oregon.
A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter-lived annuals and biennials.
plants that do not survive the winters where they are planted are called annuals (they can be perennials in other climates) perennial means ongoing. Some plants listed as perennials may or may not endure and return in the spring.This is a perennial question.lants that do not survive the winters where they are planted are called annuals (they can be perennials in other climates) perennial means ongoing. Some plants listed as perennials may or may not endure and return in the spring.