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