This way you can make the most of their flowers and foliage. Begonias are tropical plants and they need warm soil. Early morning and late afternoon sun will not harm them. Cane begonias are tropical plants that are ideal for sunrooms, although they can be grown outdoors … Most types of begonias need consistent watering but also don't like to be left too wet. Some begonias have corms (like bulbs), which can be dried off and stored, ready to start next spring. Take a cutting from the plant around 6 inches in length, which has at … Begonia plants, regardless of type, cannot withstand freezing cold temperatures and require appropriate winter care. Because begonias are tropical plants, do not set them outdoors until the weather warms and nighttime temperatures are above 60 degrees. Begonias can become leggy or scraggly toward the end of the growing season. Begonias (Begonia semperflorens) add a splash of vibrant color to your outdoor garden. But most begonias will grow great in either full sun or full shade. By far the best-known cane-type begonias are the angel wing begonias, which grow on upright stems with interesting leaves and magnificent displays of a pendant and drooping flowers.The dragon wing begonia, another beauty, also belongs in this category. If you live in a cool climate, it's best to hold off planting begonias outdoors until the soil is 60°F and the nights are relatively warm. But most begonias … They are popular and well-suited as houseplants, but can also be grown outside. They are easily grown indoors and in greenhouses. Outdoors, they can be planted directly in the ground or grown in containers for outdoor display. How to Grow Begonias Outside. Growing Begonias Outdoors. In terms of culture, these are not particularly difficult to grow and can thrive indoors, providing you meet a few basic requirements. Growing begonias outdoors: Angel wing begonias, shrub begonias and some rhizomatous begonias like growing under trees that provide plenty of filtered light. Overwintering a begonia is not always necessary in warmer environments, as winters are generally less severe. The hotter your growing region, the more shade they prefer. However, to ensure proper begonia care, you should be wintering over begonias indoors if you live in areas prone to freezing temperatures, such as northern climates. Begonias bloom in shades of white, yellow, orange, pink and red flowers. Cane begonias can be grown outdoors in the American South and in frost-free growing zones. In zones 8b to 11, begonias can survive year-round if you protect them from frost. If you are planting begonia tubers in the garden, consider planting them indoors and transplanting them to the garden once the weather warms. Begonias need some bright light to bloom, but their leaves will burn if they're exposed to too much hot, direct sunlight. Propagation. Begonias prefer well-drained soil, partial shade and humid weather. Plant … Rex begonias are typically planted outdoors in mild climates as an annual summer bulb; alternatively, they can be grown as perennials in containers and brought indoors during the winter. Keep the begonia tubers in a dark spot and the soil warmed to 70 degrees F until they sprout. KNOW WHEN TO PLANT. Keep air temperatures at about 50 degrees F. Purchase begonia tubers instead of nursery-raised plants and start the tubers indoors about one month prior to the last frost in spring. They can grow to a height of between 8 inches and 2 feet tall, and will bloom until the first frost. Often grown in containers indoors, begonias also can be grown outdoors during the frost-free months. Begonias need some bright light to bloom, but their leaves will burn if they’re exposed to too much hot, direct sunlight. There are over 16,000 different species of begonias that you can grow, and each one will require different care when they are being winterized. Moving a begonia to a bigger pot isn’t always an easy decision since begonias like to be somewhat root bound. You can maintain fibrous begonias, which often have waxy leaves and always have traditional root balls, for 2-3 years with proper indoor and outdoor … Sarah Terry brings over 10 years of experience writing novels, business-to-business newsletters and a plethora of how-to articles. Choose a location with soil that drains well and doesn’t become waterlogged. Never wet the leaves or flowers, as continual dampness on plants encourages diseases such as powdery mildew. Spread a 1- to 2-inch-thick layer of peat moss or organic compost onto the planting bed. They usually have a burst in growth after the summer heat kicks in. Now yes, some of you can just plant it in the ground and mulch it heavily, but only those of you in very warm climates. With the exception of one or two species, begonias are tropical or subtropical plants and can be grown as perennials (dying back in fall and regrowing in spring) in zones 9 and 10 of the USDA … Like dahlias, tuberous begonias are sold as big bulbs or rhizomes (the 'tubers'), and are typically planted in containers, so that you can easily take the root out before the first hard frost and store it indoors for the winter. This article was written by a professional writer, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. Signs of blight and rot include dark spots on leaves and mushy stems. 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