In autumn, dig up tuberous begonias and store in a cool, frost-free spot for winter. (Flowering typically begins 12 to 14 weeks after planting.) Plant tuberous begonias outdoors after the danger of frost is past. While making sure to keep them indoors whenever it falls below 50 °F (10 °C), also bring the begonias in to their permanent indoor growing spot for increasing stretches over a period of about 2 weeks. Ideal as houseplants or in hanging baskets, elatior begonias (Begonia x hiemalis) are short-lived but flower prolifically and come in fabulous colours, from hot reds and oranges to softer sherbet-like pinks, lemons and apricots. Tuberous begonias by the end of the season are very juicy, and plump and fragile. Aug 7, 2015 - Our tips and tricks on growing tuberous begonias. Rex begonias are rhizomatous begonias. Rhizomatous: This type is mostly grown for interesting foliage and preferably as a … If you are a regular reader of GROWING WITH PLANTS, you may remember my post on Tuberous Begonias last January. Basic Types of Begonias Begonias are tropical perennials that thrive in warmth and, typically, partial light. They bloom throughout the summer, thriving in shady spots where few other plants with … Some are grown for their flowers but most are valued for their foliage, which may be of bold shapes or strikingly marked, often in silver. In central Iowa, mid-May is an appropriate planting date. Start Indoors For Best Blooms In zones 2-8, Begonias do best when given a head start indoors so they can develop before being transplanted or moved outside. Briefly, while visiting White Flower Farm, America’s premier premium mail-order nursery, I visited a greenhouse with a display of the Blackmore & Langdon Exhibition begonias which the nursery exclusively sells in North America.The display was stunning, and being one who … Start tuberous begonias in pots or other suitable containers. They are divided into three major groups. All containers should have drainage holes in … Tuberous begonias are lush, shade-loving plants with thick, waxy leaves and big, rose-like flowers in beautiful colors. Growing Rex Begonias Indoors. (Some others, such as Rieger begonias, are a better choice as indoor flowering plants.) Starting plants indoors lets you get a head start on the gardening season and also scratches the gardener’s itch in those last few weeks of winter. Tuberous begonias will enter a dormant period no matter how they are grown, whether in a greenhouse or outdoors, so they are not suitable as year-round houseplants. The foliage is similar to tuberous begonias with small flowers in shades of pink or white. Keep the plants indoors for increasing amounts of time as it gets colder. Hardy begonias: This category is related to the Begonia grandis species and grown as a perennial in southern regions. A group of two or three pots of these little beauties will brighten any room. Select from those with colorful foliage, uniquely shaped leaves or flowers. I actually leave them in their pots over the winter, at a coolish temperature (maybe 50ish degrees) and … The Right Light. The Rieger begonia is also known as the Begonia x hiemalis or hiemalis begonia. Plant tuberous begonia tubers indoors 8 to 10 weeks before the average last spring frost in your area. The original plant was a cross between a standard wax begonia and a tuberous begonia and has since evolved into a thriving category of its own. Begonias for the garden have different cultivation needs so the notes below will help guide you to success. Tuberous begonias produce beautiful rose-like flowers in a variety of colors. Therefore the majority of gardeners in the United States start their begonias indoors in March and April. This helps acclimate the plants to indoor conditions. Save money and fill your summer shade gardens with masses of beautiful begonias. Brighten those gray days of winter by growing a few beautiful begonias indoors. Tuberous begonias like these Nonstop begonias, don't grow all year and will go fully dormant in the fall. Most grow to 30–50cm tall, although some varieties can reach 80cm. The Begonia multiflora variety include the Multiple Flowering varieties with smaller, numerous blooms. Tuberous begonias are ideally suited to growing in containers and hanging baskets, whilst fibrous rooted begonias make an attractive addition to summer bedding schemes. When growing begonias from tubers, it is very common to get the tubers started in containers indoors. Get Growing: Starting Begonias Indoors. In terms of growing, they like rich, well-drained soil and detest soggy feet. Flowers may be tiny or the size of dinner plates. Like other begonias, they thrive when they are slightly pot-bound, so it's likely that a wax begonia will only need to be repotted once or perhaps twice in … Leaves, depending on the species may be dark or light green, and usually with a pattern. Many varieties of tuberous begonias are grown outdoors as tender perennials, then brought indoors to over-winter as houseplants, or the tubers dug up and stored. The third group – tuberous begonias that make up the tuber in the ground and in need of a winter alone. Of the two, wax begonias are the easiest to grow from seed. This how to guide teaches the care requirements for growing tuberous and fibrous begonias indoors without a greenhouse. Tuberous begonias grow from tubers, much like potatoes, and reach their peak in late summer and autumn. Most tuberous begonias flower during the summer. Keep the soil slightly moist and the plants growing throughout the winter. Begonias are frost sensitive and do not do well in temperatures below freezing. Growing Begonias Indoors by Brad Thompson Except for the members that are blessed with a climate where they can grow begonias outdoors year round, most growers have to learn how to grow begonias indoors. Repotting . This group includes Begonia schargii and B. metallica. Begonias are native to all parts of the world except Australia and Europe. However, if started in winter, the plants will reward you with large, colorful blooms the following summer. They can also be grown as houseplants year-round. The Tuberous Begonias (right) are popular with outdoors gardeners because of the wonderful flower display they put on over the Summer that last for months and months. Generally, fibrous and rhizomatous begonias make excellent houseplants while tuberous begonias can be grown as houseplants but have a harder time surviving due to the need for higher humidity and light than the other two kinds. Wax begonias happily grow into small shrubs if allowed to, reaching a maximum height of about 18 inches, depending on the cultivar and species. Our patience usually runs out far before Old Man Frost is ready to move on. Begonias are generally hardy in zones 9 & 10, and in colder zones (2 - 8), they can be grown as annuals and overwintered indoors to grow year after year. In most areas, come fall before frost has nipped the plants, remove tubers from containers or beds and let them dry in an airy, shady place indoors. As with tuberous begonias started indoors, harden the plants outdoors for a few days before planting. Flowers may be single or double, plain, ruffled or toothed. Tuberous begonias perform best in moist, well-drained soils in partial shade. The South American species have been bred in England since the 1860’s and we can now enjoy many colourful varieties. Just move the plants to a sunny window or under artificial lights in fall before the first frost. Tuberous Begonias can typically be grouped into three types: Begonia tuberhybridia, Begonia multiflora, and Begonia pendula.The Begonia tuberhybridia types are the most commonly grown and well-known and include the Double Begonias, Ruffled Begonias, Roseform Begonias, and Picotee Begonias. You’ll have the greatest success growing fibrous rooted begonias that will flower in bright light and those … Method 1/ Simply cut off a young but well-growing leaf with a stem portion attached, and insert into a pot with cuttings or multi-purpose compost. Grow as houseplants or for borders. You want to be careful not to damage them—which is another reason that a plunged pot is a safer method. A comprehensive guide for growing begonias from seed indoors. 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