Living for several to many years, as opposed to annual or biennial. (Sometimes restricted to nonwoody plants).
A plant that lives for three years or more. In botany, the term includes trees and shrubs, while in horticulture it is normally limited to plants that do not produce permanent woody stems, such as irises, peonies or ginger lilies.
With a life span extending over more than two growing seasons.
Plant that lives for at least 3 seasons.
In botany, any plant that lives for three or more years; trees and shrubs are woody perennials, in contrast to herbaceous perennials which have no woody above-ground parts. In this book ‘perennial’ is used in the sense of herbaceous perennial.
Throughout the entire year. Said of diseases, such as some cases of allergic rhinitis, which do not have a peak incidence in one season.
A plant that lives for more than two years and usually flowers each year; some herbaceous perennials grow from the rootstock each year, dying down to ground level for the winter.