Biennials are plants that live two years, bearing flowers and fruit only in the second year. (Carrots and sugar beets are two examples; since we're only interested in their roots, we don't wait another year …

BIENNIAL definition: happening every two years. See examples of biennial used in a sentence.

Biannual refers to something that happens twice a year, typically once every six months. On the other hand, biennial is used to describe something that takes place every two years. While both reflect …

BIENNIAL definition: 1. happening once every two years 2. a plant that lives for two years, producing seeds and flowers…. Learn more.

biennial 1. A plant with a two-year life cycle. 2. A plant that dies after its second growing season, usually not flowering until the second year.

Dec 15, 2025 · biennial (plural biennials) A plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after …

Jul 20, 2021 · Biannual and biennial, meanwhile, have separate meanings. “Biannual” means occurring twice in one year, and “biennial” means happening once every two years.

lasting or enduring for two years: a biennial life cycle. Botany completing its normal term of life in two years, flowering and fruiting the second year, as beets or winter wheat.

biennial, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

A biennial is a plant that lives for two years. It flowers, produces seed, and dies in its second year. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers