Being that the plant is rhizomatous, it is important to pay close attention to the soil and root care to ensure the plant has the best chance of proper development. Above: Begonia rex ‘Red Tango’ mixes well with other shade- and humidity-loving plants such as asparagus ferns and geraniums. The Rex Begonia often will produce small flowers that are perched above tall stems. Articles. If your Rex Begonia leaves are crispy or brittle, chances are the air in your home is too dry for this type of plant. Hello Select your address Garden & Outdoor Hello, Sign in. I have 2 huge pots with Bird of Paradise plants that my poor husband has to lug into the yard every summer. I put them back out that evening and this morning they are completely limp. I was getting excited that my leaf babies had managed to grow out, survive their first division, and outgrow their tiny cell pots. What can I do to save them? In the case of begonias that have lost some or all of their lower leaves like that of B. serratipetala in the photo, cutting all branches off close to the pot level will cause the plant to send up new shoots. Growing begonias outdoors: Angel wing begonias, shrub begonias and some rhizomatous begonias like growing under trees that provide plenty of filtered light. Causes of crisping leaves in rex begonias can include lack of water or too much light. Their scientific name is Begonia rex-culturum, but they are commonly called rex begonias. Company No.05695741 If it is droopy or gangly, adjust the light and water. If those spots happen to have yellow halos around them, they are certainly bacterial leaf spot. These plants can be a little fussy when it comes to watering and need plenty of moisture but react very badly to wet feet. Not sure if it doesn't have enough water or what is wrong. Rex Begonias are known for their bright colors, pretty patterns, intricately shaped leaves and their fuzzy stems! Consider housing your Rex Begonia inside of a glass cloche or a Wardian case to maintain high levels of humidity. Perennials. However, the temp became 91 degrees and the sun was very hot. The rex begonia is a native of Southeast Asia. Flowers may be single or double, plain, ruffled or toothed. Every option is spectacular, so choose a plant that will fit your personal aesthetics. Fear not! Begonia rex 'Helen Teupel' - Grown since 1929, this is a traditional Begonia rex hybrid, producing green and pink variegated leaves, each with serrated edges. 61 Mosley Street, Manchester, Its Malay name is ‘Tapak Melati’ and is originally a plant from Assam, India but somehow found itself growing in rural regions of Malaysia as well. A common name for Rex Begonia is the fireworks plant. Growing Tuberous Begonias. 1.0 out of 5 stars Best Sellers Rank #835,626 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) Sometimes called painted-leaf begonias or fancy-leaf begonias, these plants are known for their showy, sometimes jaw-dropping leaf coloration. It takes about a month for the cutting to form roots and another four weeks for the plantlet to emerge. I recently bought a baby Rex Begonia, Wandering Jew, and Peperomia from Hirt's Gardens. Rex Begonia | Care & info | Houseplant Central April 4, 2020 - 9:47 am Tip: Rex Begonias can also be propagated using stem and leaf cuttings. The American Begonia Society calls Begonia rex “the showboat of the begonia world.” That may be, but the king begonia, or Begonia Rex Cultorum Group as they are more formally known, may just be my Achilles’ heel: a plant that simply will not thrive for me, however much care and attention I … You can also add in vermiculite or perlite to support fast draining. If the temperature is too high the leaves look weak and feel dry and start to drop. Rex begonia (Begonia rex-cultorum) is a notoriously high maintenance frost tender perennial commonly grown indoors as a houseplant. Rex Begonia plants are prized by homeowners and home gardeners for their colorful foliage. They can also be grown in pots on patios, in hanging baskets and indoors. So I took my students on a trip and was gone three nights and came home to a limp kohleria and rex begonia. Vanessa is an avid gardener with experience helping things grow in the three corners of the country where she has lived — Florida, Pennsylvania, and Oregon. Feb 16, 2020 - @houseplantjournal: Nice new leaves on the Begonia rex 'fairy' - gotta keep the soil moist or the wh... - All For Gardening Tends to get fussy in transit, so expect it to look limp upon arrival. I don't know why they have suddenly gone bad. Pests and Problems. If you are still uncertain of whether or not your plant will work well indoors, ask an employee at your local nursery. It’s normal for the leaves to go a bit limp while the stem attempts to push out a root system. Gardenista describes rex begonias as the "cacti of the humid jungles," meaning they don't like overwatering. The plant also needs a high level of humidity in order to survive. Monday—Friday: 9:00AM–5:00PM Begonia masoniana – The Iron Cross Begonia. Read our guide to Rex Begonia plants for everything you will ever need to know! Rex Rex begonias are the showboats of the begonia world and are a type of rhizomatous begonia that are grown for their multicolored leaves. Rex Begonias are known for their bright colors, pretty patterns, intricately shaped leaves and their fuzzy stems! Begonias are tropical plants known for their waxy flowers and varicolored leaves. I grew this plant from a bit of rhizome and two leaves. There are so many The textured leaves grow in an array of rich colors that tend to be very dramatic when properly cultivated. Begonia 'Ruffled White' is an indefatigable bloomer producing myriads of magnificent and huge, semi-ruffled, double flowers, up to 5-9 in. Plants slowly die one leaf at a time. Informational table showing disease name, symptoms, pathogen/cause, and management of begonia diseases. New leaf growth can take anywhere from six to ten weeks depending on the variety of begonia rex you have chosen. The Spruce / Kara Riley Design Suggestions . To encourage a more dramatic look to your plant, pinch off these flowers as soon as you see them. For example, the Fireworks variety has silvery green leaves with contrasting purple and black markings. In the winter many begonia rex plants will go dormant. Begonias like cool temperatures that range between 58 thru 72 degrees, they like the cooler temperature at night. I bumped them up into a larger cell flat with a dome on top. Then check for a white crusty substance on the soil surface or plant container. Begonia (Rex Cultorum Group) 'Flamenco' syn. Clean the pot with bleach, then add sterile potting mix. American Society for the Prevention of Cruelty to Animals: Rex Begonia, Gardenista: Houseplant Help: 5 Tips to Keep Finicky Begonia Rex Alive. Some links may be affiliate links. I brought them in but had to leave and my fiancé had the air conditioner on. If any water accumulates in your saucer after watering, discard it. The tray must be drained each time you water to prevent root rot. They bloom throughout the summer, thriving in shady spots where few other plants with long bloom periods and showy flowers can grow. But avoid overwatering as the plant cannot tolerate wet soil. When choosing a placement for your plant, make sure you put it in a room that has plenty of light, but no direct sunlight. Avoid placing these plants in direct sunlight, it will dry out. Plant indoor begonias in a good indoor potting soil. Leaves are wide and heart-shaped with blends of colors that can look like splashes, stripes or swirls of pink, purple, brown, silver and even shades of deep red. Fungus gnats also tend to gravitate towards the rex begonia mainly due to the peaty, moist potting mix that allows the begonia to thrive. 2. If you will be growing begonias outside where temperatures go up into the 90’s and 100’s make sure they are protected from t… The begonia rex tends to drop its leave in the winter. Too much water, however, can cause the leaves to turn yellow, so take care to ensure they have moist but not soggy soil. The soil should always be moist, but make sure not to get any water on the leaves. Several factors cause begonia leaves to fall off suddenly and rot. Bacterial Leaf Spot Bacterial leaf spot (Xanthomonas campestris), one of the most common and wide-spread begonia diseases, is typically caused by excess moisture. Khám phá (và lưu lại!) 13-02-2017 - David McColl đã khám phá Ghim này. Cover the whole cutting and pot with a plastic bag to help maintain the proper moisture levels needed for a begonia. Product information Manufacturer anh-garden ASIN B07TD473P4 Customer Reviews: 1.0 out of 5 stars 1 rating. If it's flourishing, continue with what you were doing. She is also a journalist and marketing content creator who enjoys cooking and eating, both helpful hobbies for a gardener. They are not essential and can actually result in smaller, less vibrant leaves. Delicately pleated, the pure white petals stand out against the foliage of deep green leaves. Sometimes, they just don't thrive and develop brown, crisping leaves that fall off. Place the cutting at a 45-degree angle in a fresh pot of peat moss and perlite. I made sure not to damage the roots as much as possible. The rex begonia is a native of Southeast Asia. … When potting your begonias, you should keep three factors in mind: the type of soil, the size of pot, and the amount of soil you use. Gardenista explains that these plants are native to areas of high humidity and are not as efficient as other plants at moving water to the edges of their leaves. Begonia blooms range from small and delicate to large and roselike. We may get paid if you buy something or take an action after clicking one of these. If they are indoors, an east-facing window is best. You May Also Like: Rex Begonia Care Indoors (Simple Tips For Success) It’s always good to have a routine for checking your plants to see if they need watered or have any other problems developing. All Rex Cultorum types are descended from the Indian species B. rex that was crossed with other types of rhizomatous begonias. Outside of U.S. Department of Agriculture plant hardiness zones 10 through 12, the plant is grown as an annual. Save my name, email, and website in this browser for the next time I comment. Among the first signs and symptoms that growers may notice when dealing with leaf spot on begonia is the appearance of darkened spots or “water soaked” leaves. As we all know some places get well above these temperatures! This plant is susceptible to fungal infections, mainly bacterial leaf spot. If the temperature is too high the leaves look weak and feel dry and start to drop. Nice new leaves on the Begonia rex ‘fairy’ – gotta keep the soil moist or the whole plant goes limp #begonia #begoniarex #rexbegonia #houseplants #plantlove #foliage #indoorplants #plantlife… @houseplantjournal April 26, 2016 Type above and press Enter to search. More popular than begonia blooms, the leaves of certain begonia varieties grow into mosaic patterns of varying colors. American Society for the Prevention of Cruelty to Animals, Missouri Botanical Garden: Begonia rex-culturum. All Rex Cultorum types are descended from the Indian species B. rex that was crossed with other types of rhizomatous begonias. According to the American Society for the Prevention of Cruelty to Animals, the most toxic part is underground, but you should avoid letting your pets chew on these plants, as it can result in kidney failure, vomiting and salivation in dogs and cats. All of the baby plants have now weak stems and are limp and have fallen over. Begonias like cool temperatures that range between 58 thru 72 degrees, they like the cooler temperature at night. I got this Rex and an escargot two weeks ago after I may have killed a different escargot (I still have the rhizome, but all the leaves fell off). Many varieties of begonia have pink or white flowers, although some can be orange. All of the baby plants have now weak stems and are limp and have fallen over. **** Please see what I recommend below.. Increase shade. Save For Later Print. I fed them fertilizer water and thought I did the right thing. Growing the fireworks plant can be a challenge. Pinching the leaves off of these plants encourages better leaf growth. With its distinctive foliage, Begonia masoniana is commonly called the Iron Cross Begonia. Rex Begonia wilting problem - Knowledgebase Question. If you notice spots on the leaves, chances are they are a type of fungus. NOTE THE FOLLOWING: Plant will be shipped with pot and soil. If temperatures are to low plants won’t grow and the soil will stay wet. Tan spots are caused by the botrytis fungus which often plagues cool temperature plants in humid climates. Make sure the stem is at least an inch or two long. Skip to main content.us. Kooc Media Ltd If you will be growing begonias outside where temperatures go up into the 90’s and 100’s make sure they are protected from t… Begonias grow at their best at these temperatures. International House, The estimated delivery date is based on your purchase date, the recipient's location (actual or inferred), the seller's processing time and location, and the … This will cause new leaves to spawn after which you can care for the plant as usual. Iron Cross Begonias are easy to grow house plants that enjoy spending the summer in a shady part of the garden. These plants are grown almost exclusively … Avoid misting the plant at all costs, but you can place it on a pebble tray or house it in an encasement to maintain proper humidity levels. Begonia rex Escargot: Spiraling markings and the way the leaves circle inward make each leaf look like a snail. Begonia rex (species) is the grandaddy of all existing begonia rex hybrids (above). Let the top of the soil dry out before watering again. Hollie has written for a number of publications and is now the resident garden blogger here at GardenBeast. Begonia rex Begonia rex (species) is the grandaddy of all existing begonia rex hybrids (above). Bloomscape: Why Are the Leaves on My Begonia Brown Around the Edges? Among the first signs and symptoms that growers may notice when dealing with leaf spot on begonia is the appearance of darkened spots or “water soaked” leaves. The begonia rex needs a very high level of humidity to grow. Just make sure not to use an insecticide spray on the begonia directly. Begonia Plant Care Tips: How To Care For Begonias Indoors. Therefore, dry home air often causes brown, crispy edges on the foliage, followed by leaf drop. It requires very specific care in order to grow and thrive. If emptying the tray is too much of a chore, you can also position the plant over pebbles to prevent the drained water from touching the roots. Rex Begonia’s are also called looking glass plants. Rex begonias are the showboats of the begonia world and are a type of rhizomatous begonia that are grown for their multicolored leaves. Smartie Plant Care • BEGONIA REX • Looks like my daughter attacked her with a silver marker! This salt buildup is … Begonias grow well in partially shaded, humid areas with moderate temperatures. At home in full sun or partial shade, in beds or containers, and by itself or combined with annuals and perennials, BIG® Red with Bronze Leaf flowers early and often. Let the soil dry out before they are watered again. It generally perks back up within a few days. If you’d like to learn more about the various ways to multiply this species, have a look at the full Begonia propagation guide. As we all know some places get well above these temperatures! This group includes the Rex Begonia hybrids. Saturday & Sunday: 11:00AM–3:00PM, GardenBeast™ Copyright © 2019 - 2021 Kooc Media Ltd. All rights reserved. The Missouri Botanical Garden describes rex begonias as high-maintenance plants that require a tricky balance of water, light and temperature. Begonia rex comes in over a hundred different hybrid varieties. The leaves come in every color, pattern and shade, and every size and shape. If your plants are in pots where they receive light from only one side, give them a quarter turn each week to keep their growing balanced. Note that rex begonias are toxic to dogs, cats and horses due to calcium oxalates that are in the foliage. UK, Hours 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). Watering the begonia rex requires close attention to detail and careful soil monitoring. The obliquely ovate leaves and vivid colors will make them an attractive addition to any home. Replant the begonia and water it, making sure the water drains well, as root rot is more common in waterlogged soil. This plant originated in India and can be found in many places in Southeast Asia. The plant should be fertilized every two weeks during the growing season, but not fed at all during the winter. I love the Rex Begonia Vine, but I have a small house and would have the same problem you have. Contact her at hollie@gardenbeast.com or follow on twitter https://twitter.com/greenholliec. During this phase, they will shed leaves and stop growing. You can take a cutting from any healthy leaf in the spring or summer season. Begonia rex hybrids leaves are a vibrant red color with an interesting texture. Begonia categories include tuberous-rooted, rhizomatous and fibrous-rooted varieties. These include tuberous begonias (Begonia x tuberhybrida), which grow outdoors year-round in U.S. Department of Agriculture plant hardiness zones 9 through 11. Give Rex begonias a diluted dose of organic, soluble food every four to six weeks during the growing season. Rex Begonia leaves also grow in purple, cream, pink, and silver. Begonias grow at their best at these temperatures. Take care to avoid overwatering and apply a balanced fertilizer in spring. Propagation of the rex begonia is much easier than actually caring for the plant as a whole. M2 3HZ Place this in a warm area of your home, but out of the path of direct sunlight. Pretty 4 Pot of Begonia Jive. It's one of the BIG® series of hybrids (part Angelwing Begonia and part Begonia semperflorens) with an arching, upright habit and well-branched stems that hold large, 2–3″ blooms above the leaves. The names of the varieties often lend a big clue as to which color leaves the plant will have. Begonia comes in different shapes, sizes, and colors, which makes it easier for people to find the right begonia for their homes. Begonias like consistent moisture, but they do not like to sit in soggy soil or water. I also recently bought a Lavender plant from Trader Joes and the flowers seem to fall down whenever in the sun? Not only will it grow well, but it will also produce vivid colors and variegation. There are many varieties of this plant, and gardeners love them for their foliage, which ranges widely in color and shape. When this happens, all you need to do is stop watering it, remove the wilted leaves, and cover the plant in a plastic bag. Although rex begonias like sun, avoid placing the plants in locations where they will receive direct light from hot sun. Plants will vary and the only way to know what your plant wants is to watch it, once it has adjusted to its new surrounding. How Often Should I Water My Christmas Cactus? If you have cats or dogs, the rex begonia is not the best choice for your home. Whether they are indoor or outdoor plants, filtered sunlight is best. The Tuberous Begonia flowers come in many shapes, sizes and colors. Images above show an example of what the plant look Bloomscape says that Begonia maculata (polka dot begonia) is one variety that does not like misting because it can develop powdery mildew. Amazon.com : Tree Plant-Begonia Plant Escargot Large 8" Pot Rex (HNR) : Garden & Outdoor. They appreciate less water in winter when they are dormant. Avoid placing these plants in direct sunlight, it will dry out. The Merry Christmas variety is a stunning mix of red and green. The leaves come in every color, pattern and shade, and every size and shape. Tips for planting & caring for “Begonia rex-cultorum”, GardenBeast is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com, Monstera Deliciosa Guide: How to Grow & Care for “Swiss Cheese Plant”, Umbrella Plant Guide: How to Grow & Care for “Schefflera Arboricola”, Strawberry Begonia Guide: How to Grow & Care for “Saxifraga Stolonifera”, Delphinium Guide: How to Grow & Care for “Larkspur”, 10 Most Beautiful Types of Roses to Grow in Your Garden, Common Lilac Guide: How to Grow & Care for “Syringa Vulgaris”, Hebe Plants Guide: How to Grow & Care for “Shrubby Veronica”. Ver más ideas sobre plantas de interior, plantas, plantas bonitas. Begonias are common in homes and outdoor gardens. Hygrometer says humidity is constantly at 70%, I bottom watered with distilled water recently then disposed of the standing water- I … How to propagate Begonia from leaf Whole leaf. Rex begonias are attractive plants to look at, and also present a great meal for certain pests. Maintain a steady temperature of around 60 degrees for at least six weeks. I normally check in on my snake plants about once per week to see if they need anything. Houseplants. Overwatering . The majority of these plants are low-growing, however, there are some that are upright. Shallow pots are ideal because the roots of thick rhizomes also tend to be shallow. Find many great new & used options and get the best deals for Begonia Plant Escargot LARGE 6" Pot Rex (HNR) at the best online prices at eBay! Filed under General Plant Stuff , Green Room , Propogation I went to the green room to check on everything, and I noticed the philodendrons that I had put in soil were very limp, so I put them in water to root instead. According to Bloomscape, the most common cause of crisping leaves in a rex begonia is lack of water. Product information Manufacturer anh-garden ASIN B07TD473P4 Customer Reviews: 1.0 out of 5 stars 1 rating. Rex Begonia leaves also grow in purple, cream, pink, and silver. Growing Requirements for Iron Cross Begonia Plants Iron Cross Begonias are perennial, rhizomatous plants that grow from 8"-15" tall with 6" leaves. The best temperature for the rex begonia is anywhere between 65 degrees and 75 degrees which should be maintained all year long. This beautiful plant loves humidity, but it does not tolerate overwatering well. Rex Begonias grow better under florescent lights in the winter and in the summer. Registered Company No.05695741 Online Resource for Backyards & Gardens. across (12-22 cm), from midsummer to frost. Plant your rex begonias in a potting mix based in peat moss. If these in turn have the soft growing tips pinched a well-shaped will result. Leaf spots of begonia are caused by a pathogen called Xanthomonas. Once you see the first leaf growth pop up, you’ll know that your propagation attempt is a success. Rex . Then it SLOWLY started to wilt away. One aspect of Rex Begonia care that can be difficult is figuring out a proper watering schedule. There are more than 1000 species and various types and hybrids. If your begonia rex has yellow leaves, chances are you have given it too much water. Begonias are usually easy to grow, but occasionally a disease or cultural problem might cause leaves to turn yellow and eventually shriveling and falling from the plant. The best way to treat fungus attacks on begonias is to remove the leaves that have been infected and make sure there is ample circulation around the plant. On hot, summer days, the plant may look limp and the first response may be to water. The begonia rex is a beautiful plant that will add depth and color to any room in your home. The rex begonia is prone to attacks from fungus gnats and aphids. Leaf spots of begonia are caused by a pathogen called Xanthomonas. Should I Put Epsom Salt in the Water That I Water My Ferns With? It could take years before your begonia does flower, and it may not if it is not in optimal light conditions. Small pots placed over a draining tray work best. They also need a high concentration of humidity, anything between 50% and 70% is ideal. Make sure that you use a well-draining potting mix in addition to a pot that has drainage holes. Question by Jdmatt15 September 3, 2017. Try adding water in a tray of pebbles or use a humidifier. 01-feb-2020 - Explora el tablero de Daniel Alonso "Plantas interior con color" en Pinterest. Although not very well known in the houseplant hobby right now, Phlebodium aureum or blue star fern seems to be gaining… Some cultivars need more water and more humidity than others, although misting is not typically recommended for rex begonias due to their tendency to develop powdery mildew. Amazon.com : Tree Plant-Begonia Plant Escargot Large 8" Pot Rex (HNR) : Garden & Outdoor. Rex Begonias are a wonderful addition to any house or office, as they are to care for and tolerant of lower light conditions, though they prefer bright indirect light. Rex Begonia Features: An Overview. The leaves contain a chemical, specifically calcium oxalate that is harmful to both cats and dogs. The stems … Some people prefer crooked, patterned, and colorful foliage, while others love the fibrous type … It generally perks back up within a few days. It is a rhizomatous plant which means that the main part of the plant erupts from the fleshy rhizome that grows under the top layer of soil. It is important to treat these infestations as soon as possible to prevent the spread of these bugs to other plants in your home. Rex Begonia’s are also called looking glass plants. Rex Begonias are a wonderful addition to any house or office, as they are to care for and tolerant of lower light conditions, though they prefer bright indirect light. Most rex begonia plants will reach a height of 1 foot at maturity. Rex Begonia Care . Begonia Diseases; Begonia Diseases. These have much bigger blooms and greater plant strength than the seed-grown types, which tend to be small, fragile and often a bit fussy looking. Once a plantlet has sprouted at least three leaves, cut away the parent leaf and pot in a regular pot. Among the various types of begonias, the Begonia rex are some of the most beautiful and stunning plants. Rex Begonias are a wonderful addition to any house or office, as they are to care for and tolerant of lower light conditions, though they prefer bright indirect light. We store them in the basement over the winter and they bloom with gay abandon. If you want a truly unique begonia, pick the Escargot variety which has spiral leaves that curl like a snail. If temperatures are to low plants won’t grow and the soil will stay wet. Disease Symptoms Pathogen/Cause Management; Bacterial Leaf Spot and Blight: Water-soaked areas surrounded by yellow halos develop on leaves. Use room temperature water to avoid cold damage to the leaves. Begonia rex Snow Queen: Silvery leaves have good disease resistance. Hollie is a life-long gardener, having started helping her Dad work on their yard when she was just 5. How Often Do Begonias Need to Be Watered? các Ghim của riêng bạn trên Pinterest. There are so many different varieties that it is honestly hard to keep track of which is which. The botanical name of the Rex Begonia is Begonia rex hybrids. Hello Select your address Garden & Outdoor Hello, Sign in. Tuberous begonias have beautiful rose like flowers in a wide variety of colours and forms. This bacteria thrives in both dead and live begonia leaves and requires high … Begonia rex Fireworks: Wing-shaped silver leaves are etched with purple. I recently bought a baby Rex Begonia, Wandering Jew, and Peperomia from Hirt's Gardens. Overwatering results in the potting media remaining wet most of the time. Rex begonia plants have calcium oxalate, which is toxic to dogs and cats. Aphids are attracted to new leaves on begonias due to their softness. The soil should dry out between waterings but not become too dry. Jul 9, 2019 - Buy begonia plants here https://amzn.to/2nXJar6****Thank You for Watching Today! Nebraska. I also recently bought a Lavender plant from Trader Joes and the flowers seem to fall down whenever in the sun? Most begonia … Low humidity can also cause brown, dry, crispy leaves in a rex begonia. Updated: July 31, 2016. I don't know why they have suddenly gone bad. Rex Begonias are known for their bright colors, pretty patterns, intricately shaped leaves and their fuzzy stems! This plant is susceptible to fungal infections, mainly bacterial leaf spot. Begonia 'Jive' | Rex Begonia | Live Plant 4" Pot $13.99 Loading In stock. Press Esc to cancel. The fertilizer should be properly balanced and water-soluble. Once a plantlet has sprouted at least three leaves, cut away the parent leaf and pot in a regular pot. Rex begonia plants have calcium oxalate, which is toxic to dogs and cats. Rex begonias are in a group of cultivated begonias that all include Begonia rex-culturum in their parentage. Unlike some house plants, the rex begonia loves fluorescent light. Originally from Papua New Guinea this is a tropical plant widely grown as an indoor foliage plant. My begonias, which are planted in a pot on my balcony, are completely limp. The begonia rex loves humidity and plenty of indirect sunlight. Rex begonias can be very demanding of just the right amount of water, food, and humidity. Begonia rex 'King's Spirit' - Produces foliage with unique patterns, creating a stunning colour contrast with silver-green leaves and rich maroon stems and veins. She has an affinity with nature and loves to share her knowledge gained over a lifetime with readers online. I grew this plant from a bit of rhizome and two leaves. Begonia rex 'Flamenco', Rex Begonia 'Flamenco' in GardenTags plant encyclopedia The rex begonia (Begonia rex-culturum) is a notoriously high-maintenance, frost-tender perennial commonly grown indoors as a houseplant.