If you keep your potted begonia on a dish, water will collect in the dish after watering. Rex and other rhizomatous begonia During summer keep plants shaded and watered freely but with good drainage and high relative humidity (humid atmosphere) Do not wet the leaves or the crown During winter reduce watering, allowing the surface of the compost to dry out before watering again Despite its exotic looks, Rex begonia is actually easy to grow. 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. The leaves grow on short leaf stalks, from the underground rhizome. Begonia rex should be watered when the soil or pot feels dry, but don’t wait until the plant starts to wilt. These plants are grown almost exclusively … Too much food will make for a scraggly plant, so pay attention and adjust the feeding to suit your variety. That’s why it is always a good idea to plant your begonia in a container with drainage holes so that water doesn’t remain stagnant and suffocate your precious plant. Eventually, you'll figure out the right balance. Instead, use distilled water, which is mineral-free. Rex begonia offers colorful foliage and is one of the most interesting indoor plants around. Use as many as you need to hold the leaf flat. It … You can cut back on water during their dormant period in the winter, watering only when the pot dries out. How To Water Begonia Maculata. Rex begonias (Begonia rex) are tropical plants, prized for their colorfully patterned and intriguingly shaped leaves. Many have showy flowers; several are popular as outdoor garden plants. This beautiful plant loves humidity, but it does not tolerate overwatering well. When grown indoors, the humidity can be increased by using a small room humidifier. Colour, texture and shape depends on variety. Trim Begonias. Since begonia plants are susceptible to root rot, it is important to use well-draining potting/growing media. A mixture of peat with a small amount of gardening soil and perlite would be perfect for begonias. Watering your begonia daily may make the soil extremely wet, which will make the leaves to rot and drop. Marie Iannotti is an author, photographer, and speaker with 27 years of experience as a Cornell Cooperative Extension Horticulture Educator and Master Gardener, 10 Top Outdoor Garden Plants That Thrive Indoors, 10 Varieties of Begonias for Gardens and Containers. 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. Maculatas like moist soil most of the time – never give them a drought – but they benefit from having the top half-inch of their soil dry out before rewatering. Fortunately, there are really only a few factors to consider when deciding whether to visit this tropical flower with the watering can now -- or to wait. You can feed your potted plants monthly with any good houseplant food. Mealybugs, aphids, and caterpillars can also become a problem. Stick your finger into the soil, and if it dry to your first knuckle, it's time to water. Rex begonia care indoors can be a little tricky, but it is certainly possible to grow beautiful specimens if you understand the plant’s needs. Rex begonia plant showing leaf detail. Climate: tropical and sub-tropical, temperate with protection, frost tender. Trailing begonias in hanging planters can start appearing leggy as the season progresses and the stems get longer. Handle slugs and snails by placing slug bait near your plants. How to water. You can keep them happy as houseplants or store them dormant over winter, as you would with other tender bulbs. A peat-based potting mix is ideal for containers. Full sun to partial shade. Stick your finger into the soil, and if it dry to your first knuckle, it's time to water. Begonia rex is sensitive to temperature changes and to temperatures below about 60 degrees Fahrenheit (16 Celsius). Begonias, such as the rex begonia (Begonia rex-cultorum) with its showy. They look great outdoors in shady tropical gardens, but the most popular way to display rex begonias is to collect and group them together, each in its own pot. If you live in an area that's prone to flooding, growing your begonias in a pot will give you the option of bringing them under shelter in rain. If it's flourishing, continue with what you were doing. Watering this begonia can be tricky unless you have the right kind of soil, which we’ll explain shortly, but first let’s go over the rules. Plant size. Although they are at home in a shady garden, they are also popular as houseplants. Rotating potted rex begonias will keep the plants full and stocky. Encourage bushier growth and lateral branching by pinching back … Foliage: olive to bright green, bronze to red. However, do not use tap water for misting – the high alkalinity of some tap water will cause the leaves of your plant to drop. For overnight storage on a chilly evening, simply move the pots to a garage or basement that stays above 50 °F (10 °C). Bacterial leaf spot, mildew, and botrytis can occur if the leaves stay wet. Height: varies according to type, from 15cm–2m. You can cut back on water during their dormant period in the winter, watering only when the pot dries out. Among the various types of begonias, the Begonia rex are some of the most beautiful and stunning plants. Depending on the cultivar, the Rex begonia plant can reach from 12 to 24 inches in height and spread. DeShazo has written for several major daily newspapers in Montana, Colorado and New Mexico. They enjoy partial to deep shade and are a great addition to a shady spot in your garden due to the incredible variety and beauty of their foliage, which more than compensates for their modest flowers. drained water out of any trays or saucers immediately after watering Let’s take a look at the most critical elements of growing the rex begonia as houseplants. The leaf edges and undersides are covered with short red hairs. Rex begonias are among the flashiest of all indoor plants, adding vibrant color and interest to the indoor environment. Rich but open potting mix, kept moist during growing season. To water propagate your Begonia, all you have to do is partially submerge the stem in water, leaving the leaves sticking out. Getty Images. See a picture, learn about pests and diseases, and read answers to Begonia Rex plant care questions. These plants do require high humidity (more than 50 percent), which means it can be difficult to maintain rex begonias indoors over the winter. Rex begonias need thorough watering but should not be overwatered. Sometimes called painted-leaf begonias or fancy-leaf begonias, these plants are known for their showy, sometimes jaw-dropping leaf coloration. colorful foliage, add interest to shady spots in gardens. Tall growing, up to 1-2m, these varieties bloom from mid-summer to mid-autumn with fleshy flowers like little chandeliers, in shades of pink, red, orange and white. If it is droopy or gangly, adjust the light and water. The same rules apply for watering plants kept inside – water when the top inch of soil is dry to the touch. Then, to keep the cuts in contact with the mix, start pushing T-pins through the leaf into the soil. Never allow the potted begonia to set in a dish of water. Humidity is crucial to keeping your rex begonia happy, however, spraying the leaves can lead to spotting. Alternatively, if your area is too cold, consider growing yours as a houseplant or in an outdoor container that can be brought indoors in cooler weather. How to Protect Window Sills From House Plants, How to Care for an Escargot Begonia Plant, www.missouribotanicalgarden.org:begonia rex-cultorum. Different Rex Begonia Plant Varieties. To avoid these issues, be sure your begonias are in well-drained soil and water them sparingly. Begonia Rex-cultorum group, (bah-GO-nyah). Rex begonias are rhizomatous begonias. Root rot can be a problem in wet areas. Your Begonia Rex may go dormant in the winter and possibly drop its leaves. Repotting rex begonias each spring will ensure that they have plenty of soil to grow in, but they like to be a little bit pot bound. Rex begonias, however, are famous only for their foliage. Ensuring good soil drainage will go a long way towards alleviating this issue. Watering the begonia rex requires close attention to detail and careful soil monitoring. DeShazo has a Master of Arts in journalism from the University of Montana, and currently writes about food and gardening from her home in the Raleigh, N.C. area. Rex begonia hybrids have been developed to have unusual markings, leaf shapes, and colors. Be sure your garden beds or containers meet the requirements of the rex begonia. Keep a close eye on the weather forecast during the fall and be ready to move your begonia pots indoors when the evenings become chilly. Above: Begonia rex ‘Red Tango’ mixes well with other shade- and humidity-loving plants such as asparagus ferns and geraniums. The idea is to get the soil slightly wet ad not muddy. This plant loves moisture, but it does not need frequent watering. Avoid direct sunlight. Due to their tropical origin, begonias thrive in areas with relatively high humidity. Often beautifully marked and covered in fine hairs. They like moist soil, but it cannot be too wet or fungal diseases could occur. Growing Rex Begonias Indoors. Rex begonias can be very demanding of just the right amount of water, food, and humidity. Too much water will lead to root rot or a limp plant. Fertilizing a hanging begonia every other time you give it water helps keep the plant growing and flowering during it active season, usually from spring until early fall. Learn lighting needs and how to identify, water, feed, and propagate a Begonia Rex plant, also called a Painted Leaf Begonia or Fancy Leafed Begonia. When this occurs, water only once every 3 to 4 weeks until growth begins again in the spring. When planting directly in the ground, a moist, well-drained location is optimal and mulch will keep the roots shaded. © Copyright 2020 Hearst Communications, Inc. Look at the container’s soil and if the top has just dried, water until it runs out of the pot’s bottom drain holes. Because it's a relatively short houseplant, Rex begonia is perfect for desks and tabletops where is wildly colorful, variegated foliage makes it a perfect contrast against other houseplants. The main rule of thumb for watering begonias is to not let the soil dry out completely. Height: varies according to type, from 15cm–2m. Water your plants only about once a month during this time. Begonias are frost-tender perennials that thrive outdoors in U.S. Department of Agriculture plant hardiness zones 10 to 12. If begonia is grown in room conditions, it just needs to be watered properly. Rex begonias are known for their colorful and textured leaves. Learn tips for creating your most beautiful (and bountiful) garden ever. Watering The Rex Begonia. Humidity is essential to prevent leaves from drying out, but avoid watering leaves, which could promote mildew growth or various disfiguring leaf spots. If your begonia rex has yellow leaves, chances are you have given it too much water. The outer edges of the leaf are typically a dark green while the inner portion can be colored shades of pink, red, silver, or purple. Rex begonias can be temperamental and you just have to find the right conditions and balance for your plant. Begonia Rex, how to grow plant care guide. Causes. Disinfect a pair of bypass pruners with isopropyl rubbing alcohol to prevent spreading diseases from other garden plants to your begonias. Most rex begonias sold today are named hybrids, although they are not always labeled as such. How to grow Begonia rex. a window sill), turn the pot ¼ each week to maintain even growth. Large or gangly plants can be pruned into shape. Name: begonia, wax begonia, bedding begonia, rex begonia, Begonia sp. Often beautifully marked and covered in fine hairs. Begonia rex should be watered when the soil or pot feels dry, but don’t wait until the plant starts to wilt. There are more than 1,300 species in the begonia plant family. She has also taught writing to community college students on the Navajo Nation in northwestern New Mexico. Let them dry before you head on to the next step. Avoid overwatering, which will cause the foliage to turn yellow and eventually drop. It is much more important than the humidity is high enough, otherwise, the tips of the leaf plates will begin to dry. Begonias like a decent amount of humidity without constantly moist soil, and they need a container with good drainage. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board, Annuals that can be grown as a houseplant, South and Central America, Africa, southern Asia. In my experience, they don’t seem to like ha… Don’t water the leaves, only the soil to avoid fungal disease issues. They frequently have large leaves (up to 6 inches long) that are brightly colored in various shades of green, red, silver, and even purple. Although not difficult to grow, begonias are considered high maintenance by some gardeners, especially when it comes to their water needs. To really play up the unique qualities of begonia rex, pair them with solid green plants with different textures or forms. Name: begonia, wax begonia, bedding begonia, rex begonia, Begonia sp. Rex Begonia, also known as the painted leaf begonia or fancy leaf begonia, is a tropical perennial famous for its large, multicolored leaves. Begonia rex has large, metallic green leaves with splashes of silver on the upper surface, and a reddish tone beneath. Many people collect and display several varieties. Care of Begonia rex plants.. Its needs: Begonia Rex enjoys a position with good light, but not in direct sun or deep shade. Avoid putting a pin through a main leaf vein, or that vein may not root. Use a balanced formula such as 20-20-20, diluting it half-strength or about 1/4 teaspoon per gallon of water, but check your product label for further directions. They need some light to keep their coloring, but bright, indirect light is best. One of the most popular is B. coccinea, which has pendulous heart-shaped leaves with red undersides and margins. Climate: tropical and sub-tropical, temperate with protection, frost tender. Don’t feed at all during the winter. Soil and fertilizer. Humidity is crucial to keeping your rex begonia happy, however, spraying the leaves can lead to spotting. If you don’t have the space or money for a humidifier, don’t worry. It’s better to cluster your plants, so they can create their own humid environment, or use a pebble tray. Care: Regular dilute feed with a foliage specific-fertiliser. Using a spray bottle to regularly mist around the plant without saturating the soil is another option. Even plants kept indoors year-round will go into a period of winter dormancy, when growth will slow to almost a standstill and plants will drop some of their leaves. The painted leaf begonia can grow up to 24 inches tall. There are many different varieties of Rex begonia, including hybrid varieties, available. In most cases, a spray form of pesticide will take care of the issue. Because of this fact, they are grown in many areas as annuals, or in pots which can be brought indoors during colder temperatures. If you have a variety of rex begonia that goes dormant in winter, water sparingly until spring when new growth begins. Be sure to allow for air circulation when plants are permanently housed under glass. The best way to achieve this is to let the soil dry between watering, but sit it next to a humidifier or in a humid area. If this happens, continue to water sparingly until spring when new leaves will re-appear. The easiest method to turn one Rex Begonia into two (or more) Rex Begonias is by dividing the rhizome. How to Root Rex Begonia Leaves. In drier areas, they will appreciate being misted daily. Begonia types . Even in zones where begonias are hardy in the ground, the plants will go dormant for a period of time in winter. Since you have to wait for the roots to dry, go ahead and get the plant pot ready. 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. Tip: Rex Begonias can also be propagated using stem and leaf cuttings. 50cm spread . Water rex begonias when the soil just begins to dry out, usually about once per week. Rhizomatous Begonia (Rex Begonia) ... To avoid this, watering should be done regularly once the top inch soil is nearly dry (6). Step 4: Pin the rex begonia leaf into seed-starting mix. Conditions: Considered perennials in tropical and semitropical climates, Rex begonias are frost tender and typically grown as annuals or houseplants in North America. Turn the begonia leaf back over and press it into the seed-starting mix. Many hybrid varieties are beautiful, but they are unlabeled or mislabeled, so be sure to ask questions so you know exactly what you're buying. The main rule of thumb for watering begonias is to not let the soil dry out completely. If your Rex is growing where it only gets light from one side (i.e. Then, place the vase or glass containing the plant in a light and warm spot to provide the perfect growing conditions. 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). How To Water A Rex Begonia Indoors Knowing when to water your Rex begonia is easy, although you will probably have to water weekly, especially during the growing season. This can be done while repotting the plant or at any other time by just gently pulling the rhizomes apart and repotting all of them into their own container. The clumping growth habit of Rex Begonias, coupled with their tightly packed leaves, makes for a dense plant. Cane stemmed begonias. Keeping small plants under glass can also keep them from drying out too quickly and reduce the need to water quite so much. Do I Water My African Violet If It's Blooming? Rex begonias prefer light, rich soil. Small pink flowers are borne in winter. Lay the Begonia rex plant’s roots on a paper towel. Colour, texture and shape depends on variety. Foliage: olive to bright green, bronze to red. Andrea DeShazo has been writing and editing lifestyle articles since 2003. In pots, be sure to provide drainage holes. 50cm height .
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