Even if you're a beginner gardener, you probably know about annuals and perennials. Biennial plants, however, might be less familiar, and they fall somewhere in between the other two categories. While ...

A–A biennial is a plant that takes two growing seasons to produce flowers and/or fruits, and then it dies. Many biennials behave like perennials in that they produce so much seed (self-seeding) that ...

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, ...