While annuals last for one season and perennials give years of pleasure, the biennial, as its name suggests, has a two-year cycle. The first year it produces a leafy base or rosette, which winters over; the second year it forms a flower, which, later in the season, develops visible seed pods.

Do biennials die after two years?

Biennial plants grow leaves, stems and roots the first year, then go dormant for the winter. In the second year the plant will flower and produce seeds before dying. ... They may perform like perennials in the garden because new plants that emerge from seed constantly replace plants that have died after their second year.

Do biennials come back?

Usually, the top foliage dies back to the ground each winter and then regrows the successive spring from the existing root system. Basically, biennials in the garden are flowering plants that have a two-year biological cycle.