HORTICULTURE

Detailed explanation-1: -A perennial plant or simply perennial is a plant that lives more than two years. The term (per-+-ennial, “through the years") is often used to differentiate a plant from shorter-lived annuals and biennials.

Detailed explanation-2: -Popular herbaceous perennials include bellflowers, chrysanthemums, columbines, dahlias, larkspurs, hollyhocks, phlox, pinks, poppies, and primroses. In agriculture, a number of economically important crops are perennials and produce a harvest for a number of years.

Detailed explanation-3: -If given proper growing conditions and good care, long-lived perennials often persist for 20 or more years. Short-lived perennials usually disappear within 10 years.