They should never dry out otherwise their leaves are likely to crisp up and the plant die quickly. Learn tips for creating your most beautiful (and bountiful) garden ever. I thought I had fixed the issue but just noticed on this new leaf that it looks like the issue may be returning. When I first started going to garden events like RHS Chelsea Flower Show, the first thing I was drawn to was the begonia display on Dibley’s stand. If it is droopy or gangly, adjust the light and water. It is in a small pot (the one it was in when I bought it a few weeks ago) but as it is winter I’ll probably wait to re-pot until spring. Full sun to partial shade. Watering begonias is a bitch. Fernatic: 50 fern species, 1 living wall! Mine are all positioned on the edges of large, bright windows. Possibly because it is a rhizomatous begonia, forming a dense mat of rhizomatous roots. One of the toughest aspects for begonias to live let alone thrive is watering. From the streets: Bonnington Square, Vauxhall in Autumn. Last year I moved it to the conservatory with all the other hundreds of house plants, it did ok and was still the same size as when I bought it, I threatened it with the recycling bin, instead I gave it a 2lt pot in multipurpose compost with added John Innes and it took off, each leaf is bigger than the previous… it looks stunning. We have roughly 50 different Begonia Rex available. Learn how to care for the Rex Begonia! Most rex begonias sold today are named hybrids, although they are not always labeled as such. If you’ve decided to propagate your Begonia using leaves, which is possible with most of the ones that are grown as houseplants, your easiest option is to use a plastic seedling tray. 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). I can’t wait to start propagating my begonias, having read this. Rex begonia hybrids have been developed to have unusual markings, leaf shapes, and colors. Other common begonia issues include curling leaves, flowers turning brown, leaves turning brown, and leaves turning yellow. There are several practices that you’ve to carry out to ensure that your begonia … It likes warm and humid air, and it is not a plant that will tolerate cold temperatures, which means that it will go dormant when the temperature begins to drop. Growing plants yourself is everything. To read more about crispy brown leaves in houseplants in general, be sure to read my blog post on why plant leaves turn brown and crispy. They require bright, non-direct sunlight to grow and soil that drains quickly. Begonia Rex is a popular and well-known tropical Begonia plant variety. If it's flourishing, continue with what you were doing. Handle slugs and snails by placing slug bait near your plants. Required fields are marked *, I am an RHS qualified garden designer, studying with the Royal Botanic Garden Edinburgh. It can be alarming to see the leaves of your Begonia plant start to brown, but don't fret! I had no idea it was so simple!.. They do best in a temperature of 70-75 F. (21-24 C.). I specialise in beautiful future gardens using contemporary design. Different Rex Begonia Plant Varieties. The more humid the atmosphere for the begonia, the less likelihood of crispy leaf edges and new shoot dieback. 13 tips to help allotment newbies… by an allotment newbie! How to make a micro wildlife pond in a pot. You can feed your potted plants monthly with any good houseplant food. Sitting the begonia pot above a small reservoir or water by filling a saucer or secondary outer pot with pebbles or clay pebbles and topping up with water occasionally. Rex begonias can be temperamental and you just have to find the right conditions and balance for your plant. Suddenly it’s much easier to prevent a pot drying out without the risk of overwatering. This leads to a constant battle to get the watering just right which is where the larger pot has really helped. If your Rex Begonia leaves are crispy or brittle, chances are the air in your home is too dry for this type of plant. I’ve tried two methods of propagating begonias and they are pretty foolproof. So far though I see no difference in growth between the two fertilisers. I mist my begonias on a watering day but I also maintain consistently high humidity in their space. Rex begonias are considered the "kings" among the wide variety of begonias because of their strikingly colorful foliage. Begonia rex is sensitive to temperature changes and to temperatures below about 60 degrees Fahrenheit (16 Celsius). They need some light to keep their coloring, but bright, indirect light is best. Grow Rex begonia in a medium to bright spot as a houseplant. I do grow them but know they will struggle and die back a lot over winter. The ones in the greenhouse are about 5 feet tall. To really play up the unique qualities of begonia rex, pair them with solid green plants with different textures or forms. The leaves may have bold shapes or striking, often silver markings. Online there is differing information about the correct size of pot to grow begonias, often referencing those on the small size at 9cm diameter. The leaves will germinate and grow just fine but as they approach their final size they get brown edges and die. Rex Begonias are not difficult to divide and propagate, which comes in handy as individual plants usually don’t have a very long lifespan. Botanical Name: Begonia rex ‘Fairy’ If you’re a fan of foliage plants, then its silver leaves textured with shades of pink and cream along with dark green veins is surely going to tempt you into growing it! However, most of them have crispy brown leaf edges. Sometimes you end up overwatering exacerbating the problem by causing root rot leading to less water uptake. You can feed Rex Begonias every two weeks or so using a diluted regular balanced houseplant fertilizer during the growing season (Spring through Fall). This plant is sturdy and robust. I found a number of solutions: One thing I’ve learnt about humidity loving houseplants that develop crispy leaves is that one easy solution is to ensure a constant succession of new leaves through regular feeding. Begonia rex should be watered when the soil or pot feels dry, but don’t wait until the plant starts to wilt. They will stop growing when temperatures dip below 58°F (14.4°C). When rex begonia leaves lose turgidity they almost immediately desiccate and become crispy, which is usually caused by lack of humidity. The clumping growth habit of Rex Begonias, coupled with their tightly packed leaves, makes for a dense plant. Rotating potted rex begonias will keep the plants full and stocky. Avoid direct sunlight. What courageous, forgiving members of my household and garden. In pots, be sure to provide drainage holes. Begonias come from warm, humid countries and as such houses with central heating are often too dry and arid for begonias to be happy. Most begonias don't like direct light, it depends on the species and variety. My begonias are at their lowpoint foliage-wise around then but some are always flowering anyhow—’tis the season. They fill my 4 foot square Windows with leaves and flowers. If you would fold the leaves, they would snap with water coming from the leaves - unlike other types of foliage this one is not flexible. They all have their merits. Rex begonia (Begonia rex-cultorum) is a notoriously high maintenance frost tender perennial commonly grown indoors as a houseplant. It is in a small pot (the one it was in when I bought it a few weeks ago) but as it is winter I’ll probably wait to re-pot until spring. Let’s cut to the chase, begonias can be difficult plants to grow as houseplants, too often the leaves start crisping and no matter what you do, you can’t stop it until the plant dies. Consider housing your Rex Begonia inside of a glass cloche or a Wardian case to maintain high levels of humidity. I've recently become interested in rex begonias and I've acquired a few different plants over several months. They need humid conditions to keep leaves from getting crispy edges and eventually falling off. When planting directly in the ground, a moist, well-drained location is optimal and mulch will keep the roots shaded. Rex begonias can be very demanding of just the right amount of water, food, and humidity. Begonias such as Begonia Rex and Begonia metallica are popular houseplants grown for their attractive foliage or flowers. Among the various types of begonias, the Begonia rex are some of the most beautiful and stunning plants. Eventually, you'll figure out the right balance. Hi all, I recently bought a glorious Begonia Rex 'Princess of Hanover' - but after only a week in my house it is looking really unwell. If the leaves begin to brown or appear burned, (keep in mind that this might happen if your plant is not well-watered) then this is a tell-tell sign of sun damage. Rex Begonia fertilizer. Some of the leaves … An easy way to know if your Rex begonia needs more / less light is to look at the foliage and growth habit. They frequently have large leaves (up to 6 inches long) that are brightly colored in various shades of green, red, silver, and even purple. Apr 6, 2018 - Causes of Crisping Leaves in Rex Begonias. Root rot can be a problem in wet areas. Image by Quinn Dombrowsk These are also foliage begonias that are very nearly a hot house variety. Luckily the one easy thing about begonias is propagating them. Duarten Rex Begonia. If you have a well lit bathroom Rex begonias may thrive there. Big pot wins again. Rex Begonias are admired for their fabulous foliage. How to make an Aeonium arboreum branch (part one), Beware plastic netting in lawn and wildflower turf. The rex begonia is a very stunning plant that has colorful leaves that can grow to be six inches in length. Rex Begonia Plants. landscape and garden design in Clapham, London. Thanks for this great article. 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. You guessed it, a bigger pot, which increases the surface area of compost beneath the plant increasing humidity beneath its leaves. It’s easy to see that, like a succulent, it is storing a lot of liquid in those rhizomes that obviously work to supply the leaves with adequate liquid to never go crispy. Mealybugs, aphids, and caterpillars can also become a problem. 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. Although they are at home in a shady garden, they are also popular as houseplants. If you are interested in me transforming your garden please get in touch. Posted by 13 hours ago. Of course, these are fussy begonias so lighting is going to be tricky too. They are in 8incb pots with peatless conpost. Bought at a local garden centre as about 3 inch wide bulbs. Because they are so fussy, I’d assumed it would be a tricky process. The leaves grow on short leaf stalks, from the underground rhizome. Rex begonias are striking known as painted-leaf begonias or fancy-leaf begonias because of their stunning leaf coloration. Their roots tend to be thick, fleshy and succulent, much like the rest of the plant. Please will you advise me as to what I can do to possibly get the Begonia to flower. 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