Most begonias can be grown outdoors year-round in subtropical or tropical climates, but in temperate climates, begonias are grown outdoors as annuals, or as house or greenhouse plants. grandis is hardy to USDA hardiness zone 6 and is commonly known as the "hardy begonia". Although most Begonia species are tropical or subtropical in origin, the Chinese species B. Tuberous begonias are frequently used as container plants. Ī recent group of hybrids derived from this group is marketed as "Dragonwing" begonias they are much larger both in leaf and in flower. Wax begonias are very attractive, they adapt well when brought inside the house for overwintering and can live up to 4-5 years. Begonias of the semperflorens group (or wax begonias) are frequently grown as bedding plants outdoors. During this dormant period, the tubers can be stored in a cool, dry place. Many begonias will grow and flower year-round except for tuberous begonias, which usually have a dormant period. In general, begonias require a well-drained growing medium that is neither constantly wet nor allowed to dry out completely. Most are forest understory plants and require bright shade few will tolerate full sun, especially in warmer climates. The different groups of begonias have different cultural requirements, but most species come from tropical regions, so they and their hybrids require warm temperatures. Seasonally Dry Adapted African Begonia 2 (SDAAB 2)Ĭultivation A potted angel wing begonia ( Begonia aconitifolia × B. Seasonally Dry Adapted African Begonia 1 (SDAAB 1) The following phylogenetic tree shows the relationships among sections of the genus Begonia. The genus name Begonia was coined by Charles Plumier, a French patron of botany, and adopted by Linnaeus in 1753, to honor Michel Bégon, a former governor of the French colony of Saint-Domingue (now Haiti). The leaves, which are often large and variously marked or variegated, are usually asymmetric (unequal-sided). In most species, the fruit is a winged capsule containing numerous minute seeds, although baccate fruits are also known. The plants are monoecious, with unisexual male and female flowers occurring separately on the same plant the male contains numerous stamens, and the female has a large inferior ovary and two to four branched or twisted stigmas. Terrestrial species in the wild are commonly upright- stemmed, rhizomatous, or tuberous. The species are terrestrial (sometimes epiphytic) herbs or undershrubs, and occur in subtropical and tropical moist climates, in South and Central America, Africa, and southern Asia. With 2,002 species, Begonia is one of the largest genera of flowering plants. In cooler climates some species are cultivated outside in summertime for their bright colorful flowers, which have sepals but no petals. Some species are commonly grown indoors as ornamental houseplants in cooler climates. The Begonias are native to moist subtropical and tropical climates. The genus contains more than 2,000 different plant species. Begonia is a genus of perennial flowering plants in the family Begoniaceae.
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