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 ...

A white biennial plant in the sun - Saiglobalnt/Getty Images When browsing plants at a nursery, you will likely see two types of plants listed: annual and perennial. However, there's another kind of ...

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 ...

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 ...

As you look through all the seed catalogs arriving in your mailbox and dream about the garden season to come, you may find yourself a bit confused about certain terms you find in those catalogs. Some ...

(1) Populations of two facultative biennial plant species, Echium vulgare and Picris hieracioides, were monitored for 5 years in an abandoned limestone quarry near Syracuse, New York, U.S.A. Seedling ...

Whenever I wander around garden centers, I try to listen to what shoppers are saying as they select plants to take home. I learn a lot when listening to comments from gardeners about which plants they ...