There are pictures step-by-step on propagation of rex begonia: 1)Choose a healthy mature leaf (I use sometimes young leaves also) {{gwi:439830}} 2) Cut the edges {{gwi:439832}} 3)Make 2-3 wedge-shaped cuttings {{gwi:439833}} 4)Plant them in the mix of peat moss and perlite 1:1 in little pots, water and tent them for a few weeks {{gwi:439834}} Rex begonia root systems are very delicate. Rex begonias… Gradually increase the amount of water you give it until you are watering it as you would a … Once the roots are about ½” long, the cuttings are ready to transplant. The escargot begonia is a one of the most popular Rex Begonia hybrids. Make sure you let the soil get slightly dry between consecutive watering. WATER. But making baby begonias can be even easier if you root your cuttings in a glass of clean, fresh water. A Begonia rex needs fast-draining soil. The rex begonia is a native of Southeast Asia. Place the plant in the center of the new container. Here's what they look like after one week. View a picture of this plant disease and learn how to treat it. Many have showy flowers; several are popular as outdoor garden plants. As such, it gets its nickname. They are tough, evergreen groundcover plants with thick creeping rhizomes that have shallow roots and low water needs. Rex begonia plants have calcium oxalate, which is toxic to dogs and cats. Gently remove the Rex begonia from its nursery pot, handling the root system with care, and place in the middle of the new container. Be sure the plant is sitting on the pebbles and not in the water. It’s fine to put several cuttings in each jar. If you want the begonias to grow outside, mix peat moss and organic matter into your soil, then dig a hole big enough to cover the root ball of the plant. Nearly all the types of cuttings will root in water, except for leaf section cuttings that require sterile conditions. A young plant will erupt from tissue along the leaf veins and then root into the compost. Make a small indentation in the center. Conditions: Considered perennials in tropical and semitropical climates, Rex begonias are frost tender and typically grown as annuals or houseplants in North America. Summer is the ideal time to take leaf cuttings from your houseplants and begonias propagate well from leaf cuttings. Make sure you know which way is up since the cuttings will not root if you put the tops down in the water. Step 7: Pinch Off First Buds. Cuttings are held in place with tape. Too much direct sun can burn the foliage. It consists of a large community of people from a range of medical backgrounds from First Aiders within the workplace to Paramedics and surgeons. Rex begonias prefer to grow in a fairly evenly moist soil. Use an African violet potting soil — rex begonias prefer this light, airy, well-drained soil and don’t thrive in heavier mixes. Water as needed but take special care not to let them dry out, and be sure to allow them to drain thoroughly when watered. Too much water can cause plants to turn brown and rot, so allow them to dry out almost completely between waterings. The quickest and most effective method is by taking summer stem cuttings of between 3-5cm, and rooting them either in water or moist compost: no rooting powder necessary. The Association of First Aiders or AoFA is an association formed of members from all different walks of life, with one keen invested interest, First Aid. How to propagate begonias. 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. Repot no more than a couple of sizes larger than the rootball to avoid sitting water. Begonias have fleshy stems and leaves that hold water for long periods of time, so they don’t need constant watering. Propagate Begonia Stem Cuttings in water - Cane-like Angel Wing Begonia Propagating by stem cuttings is just about the easiest way to make more begonias for next summer's garden. Rex begonias need thorough watering but should not be overwatered. Booman has another trick: Water thoroughly so that at least 20 percent of the water flows out of the pot, and don’t let the plant sit in the water for a second, so that the salts cannot be taken up by the plant. Plant the begonia tuber in a three-inch pot in the spring using a standard potting mix. The Begonia rex is one of the most beautiful houseplants out there. Begonia Rex-cultorum group, (bah-GO-nyah). Fortunately they're part of the rhizomatous begonia group … It needs bright but indirect sunlight and the soil should always be moist. Rex Begonia leaves also grow in purple, cream, pink, and silver. Over handling can cause the plants stress and, in the worst cases, can cause them to die. While you do your pruning, put the cut stems into a plastic bag lined with a soaking wet paper towel to keep them from drying out. Terrariums are ideal spots to grow rex begonias. Don’t water the leaves, only the soil to avoid fungal disease issues. Photo - Linda Ross . A common name for Rex Begonia is the fireworks plant. Pinching the leaves off of these plants encourages better leaf growth. Baby food jars are the ideal size for this. Collecting a variety of these exotic lovelies with different leaf variations is a fun and interesting hobby. Finally, propagating begonias is wonderfully straightforward. Cluster your plants to create a mini greenhouse effect or put your Begonia Rex on a wet pebble tray to increase the humidity. What's more, they actually love shade! However, you must have a good balance because these plants can easily be prone to root rot. Stem cuttings are the easiest method of propagating cane begonias. The reason for this is its stunning spiral-like pattern on its leaves that look like the tiny snails. Additionally, do not let the foliage stay wet for a long duration, as it will lead to fungus and leaf rot. You may water thrice a week in summer and once a week in the winter. To promote more healthy plants, pinch off the first buds to appear. The soil should be porous. Then you simply separate each new plant from the mother leaf and pot it on. Keep the begonia cut stems cool and moist until you get them into a clear vase or jar of water. Remove all but the top leaves from the cut off stems. A good rule of thumb is to allow the top inch or so (2.5 cm.) Rex Begonia Features: An Overview. Water the begonia propagation only enough to keep it from completely drying out at first. Fill the container about one-quarter full of potting mix and water to settle the soil. The advice given here will help guide you to growing success. And that’s without producing many flowers like other Begonia species. Above: Moist soil, happy begonia. Rex begonias make beautiful houseplants. Try to water the soil around the plant and not the foliage, as wet leaves can encourage powdery mildew. All begonias can be divided except for some tuberous begonias. on Begonia plant leaves. The leaves may have bold shapes or striking, often silver markings. African Violet potting mixes work well for Rex Begonias. Wait until roots are growing through the base of the stem. Fill in the container with more fresh potting mix for the Rex Begonias, gently firming the soil. Allow the top 1" of soil to dry before watering, then water thoroughly. Plant the begonias in mid-spring, and water them every few days so the soil stays moist but not wet. Place two stem cuttings into a glass of water. There are more than 1,300 species in the begonia plant family. Keep reading for tips from our horticulture reviewer on pruning your begonias! 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. to dry out, and then water again. Overwatering can lead to root or … Begonias such as Begonia Rex and Begonia metallica are popular houseplants grown for their attractive foliage or flowers. A begonia cutting in water. Amphioxus just like other Begonias needs an average to a good amount of water. I had several pots of Rex Begonias this summer that I grew outside for their coloured leaves and because they tolerate quite deep shade. During the fall, I regularly trim off … Select a healthy piece of stem about 10-15cm long. Rooting Mediums and containers The simplest medium to root cuttings in is water. Rex Begonias are beautiful tropical foliage plants, but they are expensive to buy. Here you could also place the pot in a zip bag for extra humidity somewhat like a greenhouse while they are setting roots. 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