Ask a Question forum: How to propagate a Rex Begonia from a rhizome. Conditions: Considered perennials in tropical and semitropical climates, Rex begonias are frost tender and typically grown as annuals or houseplants in North America. I've been experimenting with propagating begonias for a few years but never knew I could water root a leaf until last year. Remove the stem with a sharp knife and slice the leaf into wedges, each piece with a main vein. Rex begonias require high humidity and heavy fertilization during the growing period. When the soil is kept too wet, root rot can develop in Rex begonias. Before cutting a rex begonia leaf to propagate … There are hundreds of cultivars of B. rex to choose among, usually classified by leaf size—small (three inches or less), medium (three to six inches), or large (more than six inches). Related plants How to grow Begonia × hiemalis from cuttings It’s best to discard the plant and start over with a healthy one. Cut off the leaf stalk, then, using a sharp blade, carefully cut through the major veins, spacing cuts about 2.5cm (1in) apart. Wax begonias are propagated with stem cuttings and leaf cuttings. The first thing you must know before propagating begonias is that there are three basic types: fibrous, rhizomatous and tuberous. Propagating begonias is actually quite simple and easy. After seeing how one of our local begonia club members did almost all her propagation that way and knowing I have had problems with this particular begonia, I gave it a try and became a champion on this method. I'd like to propagate this plant, but don't have 6 months to do a leaf cutting propagation technique. Propagating a Begonia rex doesn’t have to be difficult. Martin's Mystery was my first back in Feb '06. By dividing/propagating plants you can continue to enjoy them throughout the years. Rex begonias (Begonia Rex-cultorum group), with their large, colorful leaves, can be propagated from leaf cuttings or seeds. There are different methods of propagating begonias based on their group category. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; To do; To do: J Do not To do in January F Do not To do in February M Do not To do in March A Do not To do in April M Do not To do in May J … These are herbaceous perennial plants with watery stems and mainly asymmetrical leaves i.e. Views: 1296, Replies: 6 » Jump to the end. The escargot begonia is a one of the most popular Rex Begonia hybrids. Rhizomatous begonias sprout from a thick, fuzzy stem-like structure, or rhizome, which grows on the surface of the soil. This can be done by tip cutting, by rhizome, or by leaf cuttings. I have a somewhat large Rex Begonia Plant and I am in need of two. Rex begonias (Begonia rex) are tropical plants, prized for their colorfully patterned and intriguingly shaped leaves.Although they are at home in a shady garden, they are also popular as houseplants.Many people collect and display several varieties. Dip each piece into hormone rooting powder and shake off the excess. Select a healthy leaf. Contents. The Rex cultorum group originated from an Indian species, Begonia rex. Wedges of leaf tissue that contain at least one main vein take root in moist, warm soil, creating a tiny plantlet that then grows into a new plant. Interestingly, Rex begonias are tolerant of juglone toxicity produced by black walnut trees. Origin: The initial species, B. rex, originated in the forests of northern India.Today, there are countless cultivars derived from this species enjoyed around the world. The easiest and most straightforward way to propagate rex begonias is by whole leaf cuttings. Begonia propagation is an easy way to keep a little bit of summer all year long. Tuberous and rhizomatous begonias can be propagated through their tubers and rhizomes. About the Rex Begonia. Is Rhizomatous Begonia Different from Tuberous Begonia? Joan enjoyed growing Rex begonias so much she began propagating them herself. Begonias can also be propagated directly through seeds. Semi-tropical in origin, they are ideal for life outdoors in warm, humid climates such as Sydney. The resulting hybrids are often known in the trade only by fancy trade names dreamed up by growers looking to market their plants. The leaves grow on short leaf stalks, from the plant’s underground rhizomes. A rhizome is a thickened stem from which leaves arise. There are two main types of rhizomatous Begonia: the Asian ones, which include Begonia rex and which are hard to grow successfully in Sydney as long-term plants; and the South American ones, which do brilliantly in our climate, and which are discussed here. Begonia Rex Propagation Steps. one side larger than other. Rooting cuttings to form new plants is basically a type of cloning. Then place the leaf with its top surface uppermost on a seed tray of sandy cuttings compost. Instead, its green, purple leaves are the stars. Rhizomatous begonias range in size from quite small to immense with 3-foot (1 m.) leaves, although their size is in breadth not height. A table displaying which months are best to sow, plant and harvest. The leaf pieces are laid flat on the planting medium, and plantlets will form along the cut edge. As such, it gets its nickname. Leaf cuttings are the easiest method of propagating rex begonias. Growing Rex Begonias Indoors. Rhizome cuttings are a type of stem cutting. While their flowers are insignificant, their foliage is like a royal robe with purple, pink, maroon, pewter, silver and shades of green splashed on the foliage in dazzling combos. Fibrous begonias have roots like most plants. Simply put a leaf cutting in a mixture of moist peat moss and perlite and wait for it to root. I had several pots of Rex Begonias this summer that I grew outside for their coloured leaves and because they tolerate quite deep shade. It has a high success rate, and new plants are formed in about 6 months. These plants were noted for their dark leaves with prominent silvery grey bands. This article will describe the various ways to propagate begonias through cuttings. How to Care for Rhizomatous Begonias. In the illustration the rhizome is cut into two inch sections. Fortunately they're part of the rhizomatous begonia group and that means you can take leaf-cuttings and save money. Propagate by leaf cuttings or sections of rhizome; No pruning required. How to Propagate Rex Begonias. They are actually a type of rhizomatous begonia. Rex and rhizomatous group: - Most of the rex groups are evergreen, rhizomatous begonias, though some have a tuberous character. Using Root Division . They grow from rhizomes underground, hence the name. The reason for this is its stunning spiral-like pattern on its leaves that look like the tiny snails. Rex begonia hybrids, in the case of your plants, have been developed to feature beautiful, unique leaf shapes, markings and colors. Begonia Leaf Cuttings Easy Propagation Method Begonia Leaf Cuttings are the easiest way to propagate these plants such as the beautifully foliaged Rex types as they really have no significant stems to work with. Around 1850, this species was introduced into cultivation and rapidly became popular as a houseplant. Remove dead leaves promptly and keep the soil surface free of debris to avoid disease problems. To make new copies of begonia hybrids, cuttings are the only way they can be reproduced. This method involves cutting leaves in multiple places across leaf veins. Underground rhizomes to market their plants and wait for it to root plants but produce large puffy rhizome of. 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