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.
Perennials are flowering plants that bloom for more than three growing cycles. Common perennial seeds that grow well in winter include the aster, bellflower, a variety of cacti, Canterbury bell, carnation, clematis, daylily, hollyhock, iris, lilies, pampas grass, poppies, primroses, salvia and verbena.