The ideal season for propagation is the beginning of the spring. If you don’t care about named varieties you can also find many sources of rex seed to grow your own. First I tried rooting a leaf of Begonia ‘Pollux’ in water, this worked really well and after a number of weeks roots and shoots formed below water. Stem cuttings are the easiest method of propagating cane begonias. They are actually a type of rhizomatous begonia. Begonia rex should be watered when the soil or pot feels dry, but don’t wait until the plant starts to wilt. The original Begonia rex had dark leaves with wonderful silver designs. This subcategory of rhizomatous begonia includes hybrids derived from the long-lost species B. rex crossed with other begonias. Foliage: Leaves come in a wide variety of shapes, colours and patterns. Method. Wait until roots are growing through the base of the stem. Here's a look at the Rex Begonia, the leaves are smaller but you can see a couple of pretty red ones just starting to grow. A Begonia rex needs fast-draining soil. Rex begonia propagation is possible but it is a slow process. I had several pots of Rex Begonias this summer that I grew outside for their coloured leaves and because they tolerate quite deep shade. You want a node or more on the stem where a new flower will begin to grow. Rhizomatous Begonia (Rex Begonia) Rhizomatous Begonias are herbaceous plants cultivated mainly for their foliage. 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). To water propagate your Begonia, all you have to do is partially submerge the stem in water, leaving the leaves sticking out. Because of their tendency to grow tall without branching, it often is difficult to train thick-stemmed begonias into compact, pleasing forms. How To Water A Rex Begonia Indoors. These plants can also be propagated from leaf cuttings in a mixture of perlite and moist peat moss. Make sure you cut below the terminal growth bud. Some Tuberous Begonia you might like: Dragon Wing series, Hanging Basket series. Rex Begonia fertilizer. You can feed Rex Begonias every two weeks or so using a diluted regular balanced houseplant fertilizer during the growing season (Spring through Fall). Begonia plants from this group have leaves that vary in size and pattern and grow from rhizomes, hence the name. The birthplace of … The Rex cultorum group originated from an Indian species, Begonia rex. These plants were noted for their dark leaves with prominent silvery grey bands. Luckily the one easy thing about begonias is propagating them. Above: Begonia rex ‘Red Tango’ mixes well with other shade- and humidity-loving plants such as asparagus ferns and geraniums. Humidity is crucial to keeping your rex begonia happy, … Water until the soil is moist, but don't water excessively, as Rex begonia is susceptible to rot if the soil is too wet. If colour and quantity are what you’re interested in, seed can be the best way to go. Use a good fresh potting soil or even a soilless mix. Water Preference: Moderate Water, Occasional Misting, [Remarks] (Prefers high humidity. Alternatively, leaf with the stalk in water that covers the shoot at 1 centimeter, while water is continually changing. Growth Timeline. Conditions: Considered perennials in tropical and semitropical climates, Rex begonias are frost tender and typically grown as annuals or houseplants in North America. Can I propagate Begonia amphioxus in the water? Now all you have to do is pot the new plants in their own pots. Propagation of the rex begonia is much easier than actually caring for the plant as a whole. Yes, you can take a glass of water and dip the cutting to get baby Amphioxus plants. Rex begonias can be started in all the same ways as the other rhizomatous begonias. Propagating Rex Begonia. Refer to section on rhizomatous for more information. The resulting hybrid species is called B. x rex-cultorum. Begonia Rex-cultorum group, (bah-GO-nyah). Propagation: You may take take a few inches (4 - 6in) or more of stem cuttings with or without a leaf attached and without flowers. Make use of stem cuttings to propagate Rex Begonias. Shapes include asymmetric, ovate, cordate and … Begonia rex. In the 1850s, it was introduced to the horticulture industry and crossed with other Begonia spp.. Today's hybrids originate from these crosses. There are three basic types of begonia propagation; stem cuttings, leaf cuttings, and division. 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. It needs bright but indirect sunlight and the soil should always be moist. Increase your stock of Begonia rex by leaf propagationBegonia rex is one of our most popular houseplants due to its gorgeous foliage and the fact that it is easy to keep, coping with low light levels and the occasional drying out. Clean a sharp scissors or small garden pruner. Rex Begonias are beautiful tropical foliage plants, but they are expensive to buy. Season. Propagating Rex Begonias and Growing them from Seed The easiest way of propagating new Rex Begonias is with whole leaf cuttings struck in a mixture of moist peat moss and perlite.

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