Annual plants complete their life cycle in one year; perennial plants live for three years or more. It's only intuitive that biennials have a two-year life cycle. But the plant is not the same both ...

Plants are classified as annuals, biennials or perennials based on their life cycles. Biennials, like foxglove, have a vegetative year followed by a flowering year. Perennials, including woody shrubs ...

I just bought some flower seeds, and the package refers to them as being biennial. What exactly does that mean? The growing season for many plants can be divided into four categories: annuals, ...