One interesting and beautiful begonia that's often included with the rex begonias as a foliage begonia is the B. masoniana or iron cross begonia. It’s not necessary to fertilize most plants during the winter because they’re doing less growing and many go dormant. “They evolved in … This group includes the Rex Begonia hybrids. Give Rex begonias a diluted dose of organic, soluble food every four to six weeks during the growing season. It’s best to discard the plant and start over with a healthy one. Rex begonia plants have calcium oxalate, which is toxic to dogs and cats. You can maintain fibrous begonias, which often have waxy leaves and always have traditional root balls, for 2-3 years with proper indoor and outdoor care. Once you’ve selected the desired Rex begonia, an appropriate pot and soil, comes the next bit of fun – planting. In addition, use plants with a slow to moderately slow rate of growth, as quick-growing types will rapidly overtake the begonia and crowd it out. Thus, was the first documented discovery of Rex begonias. If you lack enough natural lighting, Rex begonias also perform well situated under fluorescent lights, which gives you more options in suitable indoor locations. In their native habitat, Rex begonias are understory plants in shady to partially shady areas of jungles and considered tropical and subtropical plants. Avoid any heavy potting mixes. Some Tuberous Begonia you might like: Dragon Wing series, Hanging Basket series. Keep the humidity around rex begonia plants at around 50 percent at all times. Place the pot on a humidity tray or mist the plant frequently. Despite its exotic looks, Rex begonia is actually easy to grow. This is an extremely popular Rex hybrid begonia. Begonias do not grow or use fertilizer efficiently below 58°F. Rex begonias can be very demanding of just the right amount of water, food, and humidity. Hi, I’m Andrew, and Smart Garden Guide is my website all about indoor gardening and houseplants. Let’s get started with a quick summary of begonia maculata care. Just water them regularly. Another option is to use a complete fertilizer (23-19-14 is a good balance) in the spring every two weeks at 1/4 strength. Begonias are grouped into seven classifications: Cane-stemmed, Rex-cultorum, Rhizomatous, Semperflorens, Shrub, Tuberous, Winter-flowering. Probably one of the biggest problems with growing Rex begonias indoors is making sure you create humid conditions for them. The other key to success with rex begonias in Booman’s book is tap-water quality. Unless humidity in your home is above average already, you’ll need to increase humidity manually. High light refers only to bright indirect light since direct sun often burns the leaves of indoor houseplants. Turn the container weekly so all sides of the Rex begonia receive the same amount of light. Signs of a problem show up as a white powdery substance covering the leaves. I also share my experience of growing two of my favorite Begonia Rex cultivars. The size of the leaves varies, depending on the variety, but average around 6 inches in length, with an average width of 4-5 inches. With velvety pink, light green, and black leaves, a healthy Rex has almost an ethereal look. Learn how to care for the Rex Begonia! I’ve covered 10 great ways for increasing humidity in another article. A Begonia rex needs fast-draining soil. The begonia rex needs a very high level of humidity to grow. When it comes to fast-draining soil, porous soil works the best. 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. Transplant in a container that is one to two sizes larger than the container the Rex begonia is presently growing. Most rex begonias sold today are named hybrids, although they are not always labeled as such. by InterMari July 2, 2018. When it comes to foliage, Begonias are hard to beat! The leaf edges and undersides are covered with short red hairs. Shrub, and also decorative kinds for this time put in a place where air temperature has to be from 15 to 22 degrees and there is high humidity (for this purpose it is possible to hang up the humidified rags on hot pipes of heating or to get the humidifier). They are rhizomatous, meaning they typically grow horizontally and with shortened stems. Houseplants do best when the temperatures range between 60 and 85 °F. Spread the love. Expert Tip: Flush the container’s soil with fresh water about every three to four months. This rhizomatous perennial is native to rocky, forested valleys and slopes in northeastern India, southern China, and Vietnam. You can feed Rex Begonias every two weeks or so using a diluted regular balanced houseplant fertilizer during the growing season (Spring through Fall). Commonly grown as a houseplant for its foliage, these begonias are also known as painted-leaf or fancy-leaf begonias. Which makes using fast-draining soil super important. Handle slugs and snails by placing slug bait near your plants. Rhizomatous Begonia (Rex Begonia) Rhizomatous Begonias are herbaceous plants cultivated mainly for their foliage. The Begonia Rex is a gorgeous plant, but it commonly gives house plant owners a hard time. Fibrous rooted begonia. Rex begonias (painted leaf begonias) may not be the easiest plant to grow indoors, but with the proper know-how, you’ll succeed in growing a thriving plant that will add liveliness and color to any indoor space. Therefore, the begonia will require more frequent watering. How to Care for an Escargot Begonia Plant. Although it’s doubtful you have a “jungle environment” in your own yard, those who live in frost-free locations can grow the begonia outdoors. Rex begonias can be temperamental and you just have to find the right conditions and balance for your plant. Expert Tip: When selecting companion plants that grow well with Rex begonias, be sure to choose ones that require the same growing conditions of cooler temperatures and moist soil. Colors of the differing types of Rex begonias include mixes of greens, silver, white, reds and pinks, maroon, purple, yellow and orange. As a general rule, begonias favour bright filtered light with no exposure to harsh midday sun. Rex begonias: A subgroup of rhizomatous, Rex begonias (Begonia rex), are widely available, sold by florists and garden centers year-round, and generally reach 12 to 18 inches tall and wide. are available in many different varieties, including Rex, wax, tuberous and cane-stemmed types. They like humidity and warmth, but can’t tolerate extreme heat, dryness or frost. Rex begonias are rhizomatous. When it comes to soil, any peat-based potting mix that is lightweight and well-drained works well. For tuberous begonias, which often have larger and more abundant leaves than their fibrous cousins, your goal is to preserve only the tubers (which reside underground in the root ball) so that they can regenerate the following spring. You can also use a general-purpose potting mix, if you cannot find a peat-based mixture. Now that you’ve accomplished the first step in Rex begonia indoor care – proper planting, it’s time to start a program of continued care. Gently remove the Rex begonia from its nursery pot, handling the root system with care, and place in the middle of the new container. As a result, you might find the same crosses named two different things in different garden centers. You can keep them happy as houseplants or store them dormant over winter, as you would with other tender bulbs. Related plants How to grow Begonia × hiemalis from cuttings are available in many different varieties, including Rex, wax, tuberous and cane-stemmed types. To really play up the unique qualities of begonia rex, pair them with solid green plants with different textures or forms. I cover all the important tips you need to keep your plants healthy and explain how to deal with common problems. They are true drama queens if they don’t get enough and will fail to thrive. 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. Continue reading because we take the mystery out of Rex begonia care indoors. Extremely popular, Begonia Escargot' is an evergreen, rhizomatous perennial mostly grown for its striking, spiral-shaped foliage that curls around at the base of the leaf. Begonias have a reputation for being difficult. The snail curl pattern is accentuated by the spiralling green, silver and chocolate colors, creating a most arresting display. Care. If your Rex is growing where it only gets light from one side (i.e. Many types have a silvery or metallic sheen over the leaves, adding even more interest. Begonia rex should be watered when the soil or pot feels dry, but don’t wait until the plant starts to wilt. Fill the container about one-quarter full of potting mix and water to settle the soil. You can feed Rex Begonias every two weeks or so using a diluted regular balanced houseplant fertilizer during the growing season (Spring through Fall). The lowest temperature at which it can survive the winter is plus fifteen. 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. Most houseplant lovers are familiar with the beautiful and versatile Rex Begonia, but don’t forget that there’s more to this genus. Root rot can be a problem in wet areas. Some species are commonly grown indoors as ornamental houseplants in cooler climates. Pink flowers are an added bonus. You can cut back on water during their dormant period in the winter, watering only when the pot dries out. Rex begonias: A subgroup of rhizomatous, Rex begonias ( Begonia rex ), are widely available, sold by florists and garden centers year-round, and generally reach 12 to 18 inches tall and wide. Protect from direct sun to avoid scorching leaves; Maintain good levels of humidity by standing the container on tray of gravel, expanded clay granules (Hydroleca) or recycled lightweight aggregate (Hortag) and keep moist, with the water … An area that is too hot and dry encourages Spider Mites and causes blooms to quickly fade. The rex begonia is a native of Southeast Asia. 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