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.
  Non-perennials (which basically are either annuals or the rare biennial) are plants that grow for one warm season, then die (or in the case of biennials, two warm season â¦ s). Many vegetables and cheap colorful flowers from the nursery fall into these categories. Daffodils in Landscaping 101 Yellow daffodils mark the advent of spring imparting glory to the landscape. 2  These perennials are innate to meadows and woods in Europe, North Africa, and West Asia.