In gardening, the term free-flowering is used to describe flowering plants that have a long bloom time and may often lack a defined blooming season, whereby producing flowers profusely over an extended period of time, at times all-year round. The terms long-flowering and long-blooming are also used for perennial plants that bloom for much of the year.
Examples
Examples of free-flowering or long flowering plants include salvias, thunbergias, loniceras, roses, lavenders, periwinkles, gaillardias, oleanders, begonias, bougainvilleas, morning glories, geraniums/pelargoniums, hibiscuses, and lantanas.
List
This list includes plant species that are free-flowering, particularly in warmer climates:
References
