What is a biennial crop?

Answer:
Biennial crops are crops plants which complete their life cycle in two years

One example is onion seed in which the seed is planted in early to mid-summer one year, then the new seed is harvested in the late summer to autumn of the next year.
First answer by ID3642028950. Last edit by Kentwagoner. Contributor trust: 90 [recommend contributor recommended]. Question popularity: 23 [recommend question].