• Biennial plant
  Biennial plant
  A biennial plant is a flowering plant that takes two years to complete its biological lifecycle. In the first year the plant grows leaves, stems, and roots , then it enters a period of dormancy over the colder months. Usually the stem remains very short and the leaves are low to the ground, forming...
  
  , a plant which blooms in its second year and then dies
• Biennale (disambiguation), various events

See also

• biannual, describing an event that occurs twice a year or once every two years as biennial, depending on context.