Are begonias annuals or perennials? The short botanical answer to the question, are begonias perennial or annual?, is that most ornamental begonias are tender perennials. Begonias are indeed perennials , meaning they will come back year after year in zones with mild winters. It’s not a simple question because they’re such a widely diverse group of plants. What is a begonia plant? In cooler climates, however, begonias may need to be treated as annuals and replanted every spring. · learn how to grow begonias as annuals, biennials, or perennials depending on your climate and variety. · are begonias perennials or annuals? In their native tropical and subtropical habitats they live for many years. This means they come back year after year without needing to be replanted. · begonias are typically grown as annuals in many places because they don’t survive freezing winters. Some begonias are right at home in sunny porch pots. Identifying whether a begonia is perennial or annual can be determined by considering its life cycle, growing conditions, flowering behavior, presence of rhizomes or tubers, and the specific species or cultivar. · tuberous begonias are often treated as annuals in colder climates, while fibrous-rooted and rex begonias tend to be perennial, especially in milder or indoor settings. In warmer climates, such as usda zones 9 and 10, begonias can live as tender perennials. Find out the differences between tuberous and fibrous begonias, and how to overwinter them for next year. In contrast, others grow well in the ground as bedding plants, while still others thrive indoors as long-lived houseplants.