Begonias don’t like “wet feet,” so empty the drainage tray or decorative planter after watering, so that they don’t sit in a puddle. When the seedlings have produced their first true leaf, prick out into boxes of fresh compost and grow on, potting first into 7.5cm (3in) pots, then into 13cm (5in) pots. Continue reading because we take the mystery out of Rex begonia care indoors. Begonias such as Begonia Rex and Begonia metallica are popular houseplants grown for their attractive foliage or flowers. You can also treat the problem with a homemade fungicide made up of 1 tablespoon of baking soda, 1 small squirt of a non-degreasing dishwashing liquid (helps the product stick to the begonia) into one quart of water. Flowering is possible at any time of the year but during the Autumn and Winter months are the most common. Overwintering: Rex begonias make excellent houseplants and can easily be overwintered indoors. These plants are grown almost exclusively … All the Cane Begonias are typically evergreen meaning they can be kept indoors all year round as permanent house guests without losing leaves in Winter. Rex begonias require minimal pruning unless long, bare stems require cutting back, or you’d like to create a fuller plant. Rex Begonias Can Be Grown Indoors Or Outdoors In their native habitat, Rex begonias are understory plants in shady to partially shady areas of jungles and considered tropical and subtropical plants. Begonias do not grow or use fertilizer efficiently below 58°F. The leaf blight affects the lower leaves that have contact with the soil and shows up as water-soaked, dark lesions developing, which grow larger over time. They are true drama queens if they don’t get enough and will fail to thrive. I’ve covered 10 great ways for increasing humidity in another article. It’s easy to identify a problem with these sapsuckers, as they leave a cottony mass where stems connect. If you lack enough natural lighting, Rex begonias also perform well situated under fluorescent lights, which gives you more options in suitable indoor locations. 020 3176 5800 A popular houseplant, their large leaves display exquisite patterns of silver, green and dark maroon. 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. So, we have picked out our favourites and included them in the Begonia category, which is a selection of the most beautiful and popular Begonia plants. This helps acclimate the plants to indoor conditions. RHS members can get exclusive individual advice from the RHS Gardening Advice team. Rotten leaves and leaf drop these can be a result of too much humidity, over-watering or low light levels. Once you’ve selected the desired Rex begonia, an appropriate pot and soil, comes the next bit of fun – planting. Turn the container weekly so all sides of the Rex begonia receive the same amount of light. Choose newly matured leaves. smartgardenguide.com 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 and other Amazon stores worldwide. Generally, the rex begonia indoors prefers relatively cool temperatures, moist soil and humid conditions. To supply plants with adequate humidity, place containers on a tray of gravel, where runoff water may collect, evaporate, and raise the air-moisture level. Then place the leaf with its top surface uppermost on a seed tray of sandy cuttings compost. Rex begonias bring their flamboyant star appeal to outdoor areas where many flowering plants fail to thrive, and will be sure to steal the show wherever you decide to situate and grow them. From then to today, Rex begonias are still brightening indoor locations with their stunning displays of pattered foliage. Rex begonias (Begonia rex) are tropical plants, prized for their colorfully patterned and intriguingly shaped leaves. Prevent the problem by following a correct watering schedule, not getting water on the leaves, and watering early in the day so the foliage has time to dry before nightfall. #sambridge #houseplants #babesonly . Probably one of the biggest problems with growing Rex begonias indoors is making sure you create humid conditions for them. Try to apply the water only to the soil and keep it off the foliage, which reduces disease problems. Select a location out of the reach of children and your pets. Semi-tuberous begonias are usually replaced each year from cuttings. Keep lightly shaded until well rooted then pot up. 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 … . 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. Place in a propagator at a temperature of 18–24°C (64–75°F) with a high relative humidity. See more of our favorite tropical plants in Tropical Plants 101 and more indoor plants with exotic foliage in Houseplants 101. The vibrant foliage more than makes up for the plant’s insignificant flower displays. Leaves: Brown edges to the leaves can be caused by low humidity or too high a temperature. Even if you aren’t lucky enough to live in an area where winters are mild, you can still set Rex begonias outdoors during the warm-season and bring them indoors when old man winter decides to come visiting. However, if  you are growing smaller varieties, mixing the begonias with plants having more of a slim, upright habit like certain palms or dracaenas, or are using a 3-gallon or larger container, planting several together works. Rex Begonias are susceptible to attacks from mealy bugs. Among the various types of begonias, the Begonia rex are some of the most beautiful and stunning plants. This group includes Begonia schargii and B. metallica. 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. This plant didn’t grow large enough in the summer to survive the winter indoors. . Signs of a problem show up as a white powdery substance covering the leaves. Rex Begonia indoor care does require a little more TLC than the other two varieties. . Gently remove the Rex begonia from its nursery pot, handling the root system with care, and place in the middle of the new container. The Rex Begonia is a truly stunning indoor plant that provides a touch of character to any space. Depending on the cultivar (the botanical name for a specific variety), Rex begonias average anywhere from 12 inches to almost 24 inches tall, with a similar width, when fully grown. Thus, was the first documented discovery of Rex begonias. Consider that the soil in pots made from pottery or terracotta dries out faster than the soil in plastic pots. Reapply every two weeks while the plant is actively growing. Sticking to one Rex begonia per pot is probably the healthiest option and alleviates the possibility of overcrowding. Sometimes called painted-leaf begonias or fancy-leaf begonias, these plants are known for their showy, sometimes jaw-dropping leaf coloration. There are too many different varieties to count, and a multitude of distinguishing leaf shapes and colors. Rex Begonia | Begonia rex hybrids is a colorful perennial flowering indoor plant. Although they have a reputation of being hard to get along with, by giving it the continued care and conditions it prefers, your Rex should experience few, if any problems. Many types have a silvery or metallic sheen over the leaves, adding even more interest. Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. Support wikiHow by Many people collect and display several varieties. Expert Tip: Flush the container’s soil with fresh water about every three to four months. It’s best to discard the plant and start over with a healthy one. Just water them regularly. Rex begonias are grown specifically for their attractive foliage, and are almost exclusively indoor container plants. Sometimes, they … When conditions are warm inside, Rex begonias are susceptible to a mealy bug infestation. Some are grown for their flowers but most are valued for their foliage, which may be of bold shapes or strikingly marked, often in silver. Remember to bring Rex Begonias growing outside indoors before the first frost. Botanical Name: Begonia boliviensis. While making sure to keep them indoors whenever it falls below 50 °F (10 °C), also bring the begonias in to their permanent indoor growing spot for increasing stretches over a period of about 2 weeks. Begonia rex: Evergreen perennial to 30cm, with large, obliquely ovate leaves which are metallic green with a silvery zone on the upper surface, reddish beneath; panicles of small pink flowers in winter. When the soil is kept too wet, root rot can develop in Rex begonias. It dramatic, large leaves streaked, veined, or splashed in shades of silver, pink, purple, cream, green, or burgundy. For rhizomatous begonias cuttings may need to be longer than 10cm (4in) so as to include a leaf node at the base. Handle it as if you were holding a newborn baby, especially when removing it from its original container and placing in the new one. 222879/SC038262, Fibrous rooted begonias are tender perennial evergreens with erect sometimes shrubby stems. Therefore, don’t overcrowd plants, as it opens the begonia up to disease problems due to the lack of air circulation. Although considered tricky by some, with proper care, your Rex begonias should thrive and continue to put on their colorful display for years. Flowers: Bud drop may be due to dry air or under-watering. 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. When considering the best location indoors for your Rex begonias, you can safely situate them by an east or west facing window and they will perform equally well. Therefore, the begonia will require more frequent watering. They make attractive, eye-catching plants dressing up mixed containers, hanging baskets, and situated in an entranceway, covered porch or patio area, balcony or rooftop garden, and even used in a shade garden in the landscape. Shake well and spray the Rex begonia. You can also treat the fungus by spraying it with the homemade baking soda fungicide mixture described in the botrytis section above. Most forms grown today originate from species native to Brazil, such as, Rhizomatous begonias: Begonias in this group, such as, Semi-tuberous begonias are represented by cultivars of, 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 level slightly below the surface of the gravel, Do not mist or neglect ventilation as begonia mildew can be a problem in damp over-humid conditions, In glasshouses ventilate once temperatures reach 18°C (64°F), Feed established plants every two weeks from May to September with a high potassium plant food, Do not allow compost to dry out but avoid overwatering, Grow in a multipurpose compost, ideally peat-free and based on coir to avoid sciarid fly problems, or John Innes No 2, Provide a winter minimum temperature of 13°C (55°F), Require good light to produce sturdy stems and abundant flowers; however they need protection from direct sun to avoid scorching leaves, Best grown in a temperature range of 15-22°C (58-72°F), During summer keep plants shaded and watered freely but with good drainage and high relative humidity (humid atmosphere), During winter reduce watering, allowing the surface of the compost to dry out before watering again, Minimum winter temperature of 10°C (50°F) is required for all of these types except, Feed every two weeks from May to September with a high nitrogen fertiliser, Keep adequately moist but do not let the plants dry out, Maintain a temperature of 10-13°C (50-55°F) during flowering. Prevention is as easy as following a proper watering schedule and water only when the top of the soil is dry. Keep the humidity around … **** Please see what I recommend below.. They frequently have large leaves (up to 6 inches long) that are brightly colored in various shades of green, red, silver, and even purple. Cease fertilizing in fall or early winter when the Rex begonia is dormant (when its growth slows). Pots or hanging baskets of any material work well, as long as there are bottom drain holes. Despite its trickiness, Begonia rex is absurdly easy to propagate, and you can make several plants from a single leaf. Once the Rex begonia starts growing again in spring, fertilize with an all-purpose, water-soluble houseplant fertilizer applied at quarter strength. You can also use a slow-release, all-purpose formula applied every three months. Rex begonia ceases growing if the temperatures fall below 58 °F – be mindful in the winter months. The plant contains soluble calcium oxalates, which are toxic to cats and dogs. At the end of this period, plants should be pruned back to within 15cm (6in) of the base, and the temperature raised to 10–13°C (50–55°F). I also share my experience of growing two of my favorite Begonia Rex cultivars. 1 Find a rex begonia leaf you want to propagate and cut it off the plant. Fibrous rooted begonias are tender perennial evergreens with erect sometimes shrubby stems.

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