The rhizome is cut apart and divided in order to propagate new plants. Let the soil dry between waterings and avoid overwatering as it may cause fungal diseases or rot. Rex Begonia Plant Propagation. Joan enjoyed growing Rex begonias so much she began propagating them herself. Signs of a problem usually show at the base of the plant first where black, mushy lesions develop on the lower leaves and stems. Contents. Rex begonias don’t mind being a bit root bound, but repotting each spring is beneficial to the plant. Remove the stem with a sharp knife and slice the leaf into wedges, each piece with a main vein. She explains the process: Rhizomatous cuttings. Leaf cuttings of certain types such as Begonia masoniana and B. rex hybrids may be taken in May or June. This can be done by tip cutting, by rhizome, or by leaf cuttings. Tuberous begonias produce a fleshy tuber at the base of the stem, similar to a bulb. Divide a Rex begonia when it begins to outgrow its pot or once the plant is at least three years old if you want to add more begonias to your houseplant collection. Instead, its green, purple leaves are the stars. By BBC Gardeners' World Magazine. You may get several cuttings depending on the size of your leaf. Semi-tropical in origin, they are ideal for life outdoors in warm, humid climates such as Sydney. The easiest method to turn one Rex Begonia into two (or more) Rex Begonias is by dividing the rhizome. It has a high success rate, and new plants are formed in about 6 months. A table displaying which months are best to sow, plant and harvest. Before cutting a rex begonia leaf to propagate … It’s usually an easy process if you know what steps to take. I have a somewhat large Rex Begonia Plant and I am in need of two. ChaCheeB May 3, 2018 4:41 PM CST. Fibrous begonias have roots like most plants. Increase your stock of rex begonias by taking leaf cuttings. Fortunately they're part of the rhizomatous begonia group and that means you can take leaf-cuttings and save money. Is Rhizomatous Begonia Different from Tuberous Begonia? 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. 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 … Rhizome cuttings can be made any length. Prevention is as easy as following a proper watering schedule and water only when the top of the soil is dry. Unlike many begonias that people are familiar with, this one isn’t known for its large, colorful showy flowers. 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. I've been experimenting with propagating begonias for a few years but never knew I could water root a leaf until last year. Then place the leaf with its top surface uppermost on a seed tray of sandy cuttings compost. Choose newly matured leaves. The reason for this is its stunning spiral-like pattern on its leaves that look like the tiny snails. Use either a single piece of rhizome (stem) with a … Propagate by seed or tip cuttings. Most rex begonias grow from rhizomes on or near the soil surface, and have shallow feeder roots. To make new copies of begonia hybrids, cuttings are the only way they can be reproduced. Select a healthy leaf. The leaf pieces are laid flat on the planting medium, and plantlets will form along the cut edge. Rooting cuttings to form new plants is basically a type of cloning. This article will describe the various ways to propagate begonias through cuttings. Propagation by cuttings is done by obtaining … Tuberous and rhizomatous begonias can be propagated through their tubers and rhizomes. Rhizome cuttings are a type of stem cutting. We’re going to walk you through how to propagate using root division. Begonia Rex-cultorum group, (bah-GO-nyah). Above: Begonia rex ‘Red Tango’ mixes well with other shade- and humidity-loving plants such as asparagus ferns and geraniums. More infos: the black leaves are from a cultivar named Begonia × rex-cultorum “Dark Mambo”. I'd like to propagate this plant, but don't have 6 months to do a leaf cutting propagation technique. They are actually a type of rhizomatous begonia. Preparing rex begonia leaves for propagating is a matter of preference because you have several approaches, all of which result in root formation. We’ll also teach you how to propagate this plant using leaf cuttings. Known most for their ornately shaped and colored leaves, rhizomatous begonias (those growing from swollen underground stems called rhizomes) propagate readily from leaf cuttings. It’s best to discard the plant and start over with a healthy one. This method involves cutting leaves in multiple places across leaf veins. one side larger than other. I had several pots of Rex Begonias this summer that I grew outside for their coloured leaves and because they tolerate quite deep shade. 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. Columbus, OH . Begonia Rex Propagation Steps. How to Care for Rhizomatous Begonias. The leaves grow on short leaf stalks, from the plant’s underground rhizomes. Dip each piece into hormone rooting powder and shake off the excess. There are different methods of propagating begonias based on their group category. Propagate by leaf cuttings or sections of rhizome; No pruning required. Rhizomatous begonias have similar roots to normal plants but produce large puffy rhizome out of which the roots grow. They grow from rhizomes underground, hence the name. The easiest and most straightforward way to propagate rex begonias is by whole leaf cuttings. 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. Rex begonias require high humidity and heavy fertilization during the growing period. Does anyone know how I could propagate this plant using … Like cane, shrub and other stem cuttings however, you do have to use cutting with nodes. Cutting with nodes different methods of propagating begonias for a few years but never i! 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