At the beginning of this article, I mentioned how rex begonias aren’t the easiest plant to grow. You can pick a west or east-facing window but avoid south-facing windows if the weather gets particularly hot in your area. Replant the begonia and water it, making sure the water drains well, as root rot is more common in waterlogged soil. Regional Advice and Care. Cane stemmed begonias. You want to avoid direct sun exposure, which will certainly burn the leaves of the rex begonia. The spiraling leaves look like a snail. I also could be wrong but that pot looks far too big, most begonias have shallow root systems so you have to be really careful about potting them up too far so they don't get overwatered. Begonia … Click to see full answer Also, why is my begonia drooping? To meet the plant’s humidity requirements, you need to increase humidity levels either manually or by using a humidifier. Avoid soggy conditions, but do not allow plants to wilt. Although Rex begonias are sure to bring a bit of an exotic and tropical appeal to your indoor spaces, use caution where you decide to place them. Getty Images. A regular potting soil should work just fine as a base. Begonia stems take root easily. Sterilize soil or media before replanting. Also, how often do you water a rex begonia? Humidity is crucial to keeping your rex begonia happy, however, spraying the leaves can lead to spotting. Since I've seen a couple others cheat a bit with multiple favorites, I decided to forgo the agony of choosing just one plant and go with a group of plants: rex begonias. Wax Begonias In the landscape, wax begonias ( Begonia semperflorens ) are most popular, with flowers that keep their rich color, even during the summer. Boston Cherries & Chocolate: This variety has dark purple leaves with pink or silver spots. Begonias such as Begonia Rex and Begonia metallica are popular houseplants grown for their attractive foliage or flowers. In case of fungal issues, you will usually need to use a fungicide to get rid of the problem. Telecom Audit Group. Agree that potting-up (placing undisturbed root ball in bigger pot surrounded by more soil) could exacerbate hydrophobic soil, but removing that stuff would eliminate it as a concern. They frequently have large leaves (up to 6 inches long) that are brightly colored in various shades of green, red, silver, and even purple. Consider other alternatives to rexes that look like rex but don't have the rex parentage in its line. Water your rex begonia deeply, allowing the soil to become almost completely dry between waterings. They can be grown indoors, as long as there is sufficient humidity around them and they are not overwatered. Fertilizing can be beneficial for rex begonias especially if done right. Sometimes called painted-leaf begonias or fancy-leaf begonias, these plants are known for their showy, sometimes jaw-dropping leaf coloration. Overwintering Begonias. One of the more common types of begonias grown is the rhizomatous, or Rex begonia.Interested in growing begonia rhizomes? They thrive in organic, sharp-draining soil and in shade with lots of humidity. These plants grow densely, you should not crowd multiple plants together. That’s because “hard” water with high mineral salt content causes leaf edge burn in rex begonias because they have no mechanism to deal with salt loads. Judy Cook is extra large, silvery, and stands up to Miami heat. If you still experience problems, you need to change the location of the plant to a place where it can get bright indirect light. Provide plenty of light and keep moist but not overwatered/soggy. Therefore, you can take the time to propagate your rex begonia, especially if it’s an interesting cultivar that you don’t want to part with. The Rex cultorum group originated from an Indian species, Begonia rex. High mineral salt content can cause leaf edge burn in rex begonias because of their inability to deal with the high loads of dissolved mineral salts present in hard water. Pinching back the leggy growths will help the plant grow fuller once you also move it to a location where it can get more light. Most of these issues can be avoided by strictly observing the plant’s growing requirements. Clumping them together is not a good idea, since it can lead to diseases. Rex begonias don’t mind being a bit root bound, but repotting each spring is beneficial to the plant. What cars have the most expensive catalytic converters? Let’s take a look at the most critical elements of growing the rex begonia as houseplants. The other key to success with rex begonias in Booman’s book is tap-water quality. Peat-based potting mixers are a good choice. Overwatered begonia stems and roots can often rot during our humid, sometimes rainy summers, . The ideal temperature for these plants is between 60°F to 85°F (15 °C to 30°C), which is the ideal range for most tropical plants. This requires that you periodically (every 3-4 months) flush the soil to wash away any build-up. Rex begonias produce small flowers that are pink or white and usually have few petals. Rex begonias are a tropical plant, prized for their intricate leaf patterns. They have a reputation of being difficult to grow, although there are varieties that are less demanding. Snow Queen: This rex begonia variety has beautiful silvery green leaves. Rex begonias are known for their colorful and textured leaves. The third sign that your plant has been overwatered is edema. I earn a commission if you make a purchase through my referral links. Clean the pot with bleach, then add sterile potting mix. Although begonias can be fun to grow, they are susceptible to a number of pests and diseases. The begonia, with over 1,000 different species, originated in the tropics. Grow begonias in bright, indirect sunlight or dappled sunlight, preferably in an area with high humidity. Where there is a lack of natural light, artificial light in the form of fluorescent lighting can supplement the lack of natural lighting. Painted leaf begonias are high to medium light plants, so aim for bright indirect light all year round. Brown Leaves. They are best planted out in spring, and they should grow well through summer and autumn. Remove some foliage from the top of the plant, along with any buds, flowers, and fruit. Solution: Make sure the plant is not potted in a big container. Simply put a leaf cutting in a mixture of moist peat moss and perlite and wait for it to root. Water only when the soil is dry to the touch, but do not let it get too dry. It looks wilted, but the soil is wet. “They evolved in … The plant is known to have a high resistance to pests. These plants thrive in partial shade, so too much sun can burn the leaves and cause them to wilt. Wet and Wilting. This means a well-draining, looser soil type is a good idea. Ingesting the leaves of rex begonia plants can cause vomiting, drooling, and even kidney failure in severe cases. You can create elaborate displays and combine different varieties, making sure each stay in their own pot. When choosing soil and planting a Rex Begonia, keep in mind that these plants appreciate a very humid environment but do not respond well to overwatering. Familj: Begoniaceae, begoniaväxter.. Ursprung: Begonia rex är från Ostasien, de rexbegonior som odlas idag är dock hybrider med en inte helt klarlagd bakgrund.. Beskrivning: Begonia – efter den franske botanikern Michael Begon (1638 – 1710) rex – betyder kung och kan eventuellt syfta på växtens sällsynt vackra bladverk. Among the various types of begonias, the Begonia rex are some of the most beautiful and stunning plants. Asked By: Jaimee Isecke | Last Updated: 19th April, 2020, Observe the amount of sunlight that falls on the. 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