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. Overwatering and underwatering both can cause this problem. With more than 1,200 known species, the Begoniaceae family is one of the largest flowering plant groups. woodii. Since they are tropical plants, they need a lot of humidity to grow healthy and strong. Name: Begonia ricinifolia ‘Immense’ aka the Immense Begonia. Outdoors, water tuberous begonias in the garden with a drip system or a hose than drips directly into the soil. Cover the top of the root ball, bulb, or seeds with a few inches of soil/potting mixture. Position your begonia plants well, whether indoors or outdoors. Brown and dry leaf tips appear when your plant wants more water. If the plant has outgrown the pot, you should select a larger size pot for smooth growth. Another example...this one, the stem is almost completely detaching. Instead of watering begonias daily – for instance, every morning or evening; you should check soil moisture. The stems are now really weak; my finger is on one where you can clearly see it turning mushy and bending. More popular than begonia blooms, the leaves of certain begonia varieties grow into mosaic patterns of varying colors. If your begonia has been dropping leaves and you don’t know why or what to do, you’re in the right place. The varieties of begonias number in the thousands, and their popularity is quite apparent. Your begonias will make new buds and flowers all season long. We wish you all the best as you try to revive your begonia plant. The pink flowers emerge in dramatic, pendulous, bell-shaped clusters. What Are the Causes of Damping-Off in Begonias? Soil that is dry beneath the surface means the plant has been underwatered. I have highlighted the top 6 main reasons why your plant leaves are turning brown and crispy. Some states, cities and counties require a professional license to apply certain chemicals. Botrytis blight (Botrytis cinerea), also called stem rot or brown rot, causes brown, moist spots to form on the flowers, leaves or stems. Maybe it’s the reason your plant is dropping leaves. Begonias grown from tubers are more tolerant indoors and grow into larger plants. The begonia appears wilted but doesn’t recover after being watered. Begonia maculata, or Polka Dot begonia as it’s often called, is a splashy show-stopper that looks fantastic with it’s olive green leaves and contrasting spots. Both types of begonias come in a wide variety of colors from white through to pink, purple, yellow and red. The spots are translucent and turn brown with yellowish, translucent margins. Watering your begonia daily may make the soil extremely wet, which will make the leaves to rot and drop. These evergreen perennial plants are native to the tropical rainforests in Brazil. Snails, slugs and caterpillars love juicy begonia leaves. But a more common cause is cold air or overwatering; other signs of overwatering include brown or yellowing patches on the leaves, dying leaf tips and, of course, wet soil. I have had the most success with Begonia ‘Pollux’, it’s tough and my original plant has … But there were no telltale signs on the begonias. Aphelenchoides fragariae: Purchase nematode-free plants. A variety of fungi cause stem rot in begonias. But still, some of them are turning brown after being cut, and eventually die just like on the whole plant. To combat it you need: Dry the soil in the pot and ventilate the room. When repotting, ensure that you do so in the spring before plants become active again. Other common begonia issues include curling leaves, flowers turning brown, leaves turning brown, and leaves turning yellow. Alternatively, you can get a mini-greenhouse where you can grow your plant. If you’re growing begonia outdoors, this shouldn’t be a problem. Begonia leaves are turning brown on the edges and dying. Fungal and bacterial pathogens can infect bird-of-paradise and damage the leaves and roots of the plant. According to the American Phytopathological Society, bird-of-paradise is susceptible to a variation of the Xanthomonas campestris bacteria, which causes yellow and brown spots on its leaves and stems. As a result, this could cause the leaves to dry and drop s they lose a lot of moisture. To avoid similar problems in the future, ensure to follow the right practices for planting and caring for your begonia plant. Most types grow best in partial shade and moist, well-drained soil, with 12 inches of space between plants. Begonia blooms range from small and delicate to large and roselike. What Should I Do? The varieties of begonias number in the thousands, and their popularity is quite apparent. ), Pennsylvania State University Extension: Begonia Diseases, University of Georgia College of Agriculture and Environmental Sciences: Rhizoctonia, University of California Integrated Pest Management Program: Gray Mold, University of California Integrated Pest Management Program: Pythium Root Rot. Begonias do not like soggy soil or to sit in water, so be sure to discard any … The lower leaves turn yellow and might drop. On the other hand, if you’re growing them indoors, then you should be worried. Mealy dew appears as a white bloom on the stems and leaves of begonias. Let’s get started with a quick summary of begonia maculata care. They bloom with 1-1/2-inch single or double flowers in shades of red, pink, or white. An avid gardener, Evans has a Bachelor of Arts in political science from the University of New Hampshire, a Juris Doctor from Vermont Law School, and a personal trainer certificate from American Fitness Professionals and Associates. 10 years ago. Another example...this one, the stem is almost completely detaching. The lower leaves turn yellow and might drop. 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. Wax Begonia Problems: Yardener.com. Gardeners Yards 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, Why Is My Begonia Dropping Leaves? With a few adjustments, your plant will be as vibrant as ever! That’s not an exception for Begonias. The soil has probably been dry for too long. If the stems become infected, the entire plant may collapse. Inspect the leaves of the plant for signs of yellowing or brown spotted lesions. Snails, slugs and caterpillars love juicy begonia leaves. It grows to … Botrytis spores often enter the plant through white, powdery spots caused by powdery mildew disease. Stem Rot Symptoms.
What is wrong?Email me at this address if my answer is selected or commented on:my indoor plants leaves are all turning brown around the edges whats cuasing this?what causes plant leaves to turn brown around the edges.why ate the leaves of my variegated weigela brown around the edges? Look for reddish-brown fungus like a spider web. Avoid overhead sprinkling. Let’s get started with a quick summary of begonia maculata care. Begonia maculata, or Polka Dot begonia as it’s often called, is a splashy show-stopper that looks fantastic with it’s olive green leaves and contrasting spots. During winter, you can even use grow lights to help them receive enough light for growth. Varieties include wax begonias (Begonia x semperflorens-cultorum) and tuberous begonias (Begonia x tuberhybrida). The are known for their waxy clusters of flowers in shades of orange, pink, red and yellow. 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. Above: Begonia rex ‘Red Tango’ mixes well with other shade- and humidity-loving plants such as asparagus ferns and geraniums. Alternatively, being denied light, which is vital for photosynthesis. Temperature – Since many begonia plants are native to tropical regions, curling begonia leaves may occur when plants have been exposed to wide temperature change. Begonias (Begonia spp.) If you notice that your indoor begonia plant is dropping leaves in winter, this shouldn’t come as a surprise. Also, don’t starve your plant by not watering it as needed. There are several reasons for this, all of which are easily fixed. The leaves of your begonia plant will drop if you repot at the wrong time and in the wrong pot size. Cane begonias, commonly called angel wing begonias, have tall bamboo-like stems and slender teardrop shaped leaves that point downward. Pythium-infected begonias have small, discolored roots or tubers, and water-soaked, blackened stems. Most begonias don’t need a lot of light. Proper growing conditions help prevent fungus diseases, including stem rot. Throughout the growing season, regularly check your begonias for any discolored leaves and stems, and remove them with shears or scissors. You should also ensure the leaves remain dry because the plant is susceptible to powdery mildew. Begonia plants, encompassing over 1,000 species, are prized for their lovely leaves and flowers. It grows to … You can also treat begonia and soap-copper solution, only the soap should be replaced with tar. A worm infestation will not only make your leaves dry but even kill the whole plant. Infected leaves often die prematurely. 6) Choose your begonia type carefully Begonia rex cultivars have amazing leaves but are very difficult to grow in the home preferring a heated conservatory or greenhouse. It didn't. The lower leaves turn yellow and might drop. Southern blight affects the whole begonia plant but is most visible on leaves. Botrytis blight (Botrytis cinerea), also called stem rot or brown rot, causes brown, moist spots to form on the flowers, leaves or stems. Some people prefer crooked, patterned, and colorful foliage, while others love the fibrous type with their beautiful colors. Snails, slugs and caterpillars love juicy begonia leaves. Even though regular watering is vital for plants, begonia needs even watering. Early symptoms of Rhizoctonia infection include wilting and yellowing foliage that are stunted in growth. There are several practices that you’ve to carry out to ensure that your begonia is healthy and strong. However, just like any other plant, begonia might develop problems such as dropping leaves. However, just like any other plant, begonia might develop problems such as dropping leaves. East, West, or South facing windows is the best for indoor begonia growing. Browning of begonia leaves indicates a problem with the plant. If the stems become infected, the entire plant may collapse. This plant as Begonia belongs to the most well-known and the numerous genus begonia of the family. I have several begonia plants.They were all planted at the same time,but in the last few months I have noticed that some of the plants are turning brown and some are looking really good,nice and green and lots of flowers.About 4 months ago I repotted them into larger containers with fresh soil.They were doing great for awhile.Any suggestions? The leaves of a tuberous begonia are oval and green and grow about eight inches long. Pothos leaves turning brown due to improper watering. If they are indoors, put them where there is bright, indirect light. They bloom with 1-1/2-inch single or double flowers in shades of red, pink, or white. It is an indication that the level of humidity is very low. They grow as annuals or perennials in U.S. Department of Agriculture plant hardiness zones 7 through 11. Begonia plants, encompassing over 1,000 species, are prized for their lovely leaves and flowers. Begonias are planted both in the ground and in pots and thrive in indirect, bright light. But some varieties need more light than others. Trim the stems to at least five inches, then take the tubers indoors for curing. Welcome to InTheYard.org. Now that you know why your begonia plant is dropping leaves, you should amend the problem right away. Overwatering and underwatering both can cause this problem. Why Are My Seedlings Growing So Slow? Botrytis blight (Botrytis cinerea), also called stem rot or brown rot, causes brown, moist spots to form on the flowers, leaves or stems. Pythium-infected begonias have small, discolored roots or tubers, and water-soaked, blackened stems. You should also ensure the leaves remain dry because the plant is susceptible to powdery mildew. They can be double or single petaled, frilled and a variety of colors. Ideally, the plants will grow best when temperatures do not fall below 60 F. (15 C.). Depending on the variety, begonias grow about 6 inches to 3 feet tall and 12 inches wide. On the largest leaf, I also noticed some brown spots appearing on the leaf itself and the brown edges getting crispier. I have had the most success with Begonia ‘Pollux’, it’s tough and my original plant has … My Begonia Broke Off – Why? A heavy spray of thiophanate methyl enters the begonia through the roots and protects the stems from Rhizoctonia. Too much water can cause plants to turn brown and rot, so allow them to dry out almost completely between waterings. This may burn the begonia leaves and make them drop. Remove the stems and leaves once brown and dry. © Copyright 2020 Hearst Communications, Inc. If you’re planting a small begonia plant, break apart the root ball a bit before placing it in the hole. Get rid of the worms before they cause severe damage to your plant. A brown fungal growth is visible in the infected areas during wet weather. Same when the stems of your Begonia m aculata are drooping. They have clusters of small white, pink, or red flowers, though the leaves, which come in many colors and … grow as perennials and annuals. The stems of Begonia Peltatifolia is cane-like with evenly spaced nodes. And if their stems become weak as they grow towards the side of the window, then this is an indication that they are not receiving enough light. There are more than 1000 species and various types and hybrids. Diseased plants are highly prone to sunburn. If there is excess water, you should get rid of it. Ideally, the plants will grow best when temperatures do not fall below 60 F. (15 C.). Have you repotted your begonia just recently? They are in a compact habit like a little bonsai shrub and grow from swollen soft stems. Being placed in direct sunlight rays where the leaves get burnt. If left outdoors, after the first fall frost, dig the tubers and remove the foliage. Improper repotting of your begonia plant can cause the leaves to drop. Botrytis blight (Botrytis cinerea), also called stem rot or brown rot, causes brown, moist spots to form on the flowers, leaves or stems. This subcategory of rhizomatous begonia includes hybrids derived from the long-lost species B. rex crossed with other begonias. Diseased plants are highly prone to sunburn. There are over 1,000 varieties of tuberous begonia’s which can be … A fungal disease causes begonia leaves to start wilting. My begonias (Tucson AZ) are recently turning brown around the edges. Rhizoctonia blight starts at the base of plant stems next to the soil. Each begonia plant should be placed in its own hole, although these can be put close together. 1. Image by daryl_mitchell Tuberous begonia are grown for their showy flowers. The base of stems develops a soft rot with sunken lesions. Fibrous rooted cultivars have small brown leaf spots.Some cultivars exhibit no symptoms despite heavy infection. There are several practices that you’ve to carry out to ensure that your begonia is … Welcome to InTheYard.org. Spray it with 0.01% Fundazole solution. If all these factors are kept right, your plant will grow healthily and without any problem. Name: Begonia ricinifolia ‘Immense’ aka the Immense Begonia. Another mistake is repotting in the wrong pot/container size. Begonia Tuberhybrida belongs to the Begonia genus and Begoniaceae family, ... Once the plant’s foliage starts turning yellow or as soon as the first frost passes, start digging out the tubers. It is recommended to repot your plant during spring when it’s not too hot or too cold. Discard infected plants. If they are outdoors, put them in partial shade. Ensure that they receive enough sunlight, but not direct light. Powdery Mildew. The end of the stem where it broke off was soggy and brown and looked rotten.

An ideal container is one with good drainage and great moisture holding capability. On the other hand, you must NOT keep any begonia too wet. Early symptoms of Rhizoctonia infection include wilting and yellowing foliage that are stunted in growth. Botrytis blight (Botrytis cinerea), also called stem rot or brown rot, causes brown, moist spots to form on the flowers, leaves or stems. [8 Causes With…, Pothos Cuttings Not Growing - 8 Reasons & Solutions, Mold In Potting Soil Bags – Causes & Solutions, Why Didn’t My Alliums Bloom? Begonia plants can collapse and die from advanced stem rot diseases. To simplify things for you, we’ve highlighted the main causes of begonia dropping leaves and what you should do. If you’re planting a small begonia plant, break apart the root ball a bit before placing it in the hole. The ideal pot for your begonia should have a drainage hole in the bottom. Begonia Types. Inspect the leaves of the plant for signs of yellowing or brown spotted lesions. Hint: When your blooms begin to turn brown on the edges that flower is ready to fall off. Sudden periods of cool weather can certainly cause the appearance of the begonia plant to change. The idea is to get the soil slightly wet ad not muddy. Begonias (Begonia spp.) These can be detected by inspecting your plant’s foliage and stem. Several factors cause begonia leaves to fall off suddenly and rot. So, watch out for worms on your plant and remove them as soon as possible. I have cut off some healthy looking stems and tried to root them in water to replant later. For this reason, you should ensure that your begonia gets the right amount of light for it to flourish. Chemical fungicides can protect begonias from stem rot. This is because as you warm up your house, you dry the air, which is trouble for the plants. 6) Choose your begonia type carefully Begonia rex cultivars have amazing leaves but are very difficult to grow in the home preferring a heated conservatory or greenhouse. Begonia ‘Irene Nuss’ ‘Irene Nuss’ is an evergreen perennial that grows up to 1.2m. The brown spots on the leaves could be a fungus or bacterial infection. Angel wing: Also known as cane begonia, this type has long stems with "joints" on them.As the name suggests, these begonias have leaves that look like angel wings. My begonias (Tucson AZ) are recently turning brown around the edges. The foliage of rex begonias is particularly colorful, coming in all imaginable shades of green, red, silver, purple, brown and pink, often with metallic highlights. Leaves and flowers turning brown can be a result of improper watering. On the largest leaf, I also noticed some brown spots appearing on the leaf itself and the brown edges getting crispier. Other types of begonia include rhizomatous, tuberous, and cones. So you brought home that beautiful dream plant of yours, and at some point you noticed the dreaded brown and crispy edges on the leaves. That’s why you need to secure your plant from the strong afternoon sunlight rays. It has erect stems and large leaves that are bronze-green above and reddish beneath. Dry the tubers for a few days, and store them overwinter by placing them in dry peat moss or sawdust in a paper bag at about 50 degrees. Angel wing: Also known as cane begonia, this type has long stems with "joints" on them.As the name suggests, these begonias have leaves that look like angel wings. Begonia maculata has brown dry leaf tips or drooping stems. Sanitation and good soil drainage help control stem rot in begonias, according to the University of California Integrated Pest Management Program. Most people warm their houses in winter without knowing that they are killing their plants. Begonias are common in homes and outdoor gardens. The resulting hybrid species is called B. x rex-cultorum. Begonia ‘Burle Marx’ The brown spots on the leaves could be a fungus or bacterial infection. It should not be excessive or less. Make sure your plant is in the right pot size, receives enough humidity, water, sunlight, and fertilizer. There are several reasons for this, all of which are easily fixed. The leaves of Begonia Peltatifolia are wavy, lobbed, and ovate green. Mefenoxam controls Pythium fungus in the soil if you apply the granules before planting, or the liquid at planting time. I've recently become interested in rex begonias and I've acquired a few different plants over several months. Your begonia leaves will drop off if you over water or even underwater them. This plant as Begonia belongs to the most well-known and the numerous genus begonia of the family. Begonias do not like soggy soil or to sit in water, so be sure to discard any … The lower leaves turn yellow and might drop. (5 Causes & Solutions). I have several begonia plants.They were all planted at the same time,but in the last few months I have noticed that some of the plants are turning brown and some are looking really good,nice and green and lots of flowers.About 4 months ago I repotted them into larger containers with fresh soil.They were doing great for awhile.Any suggestions? Remove all areas of begonia affected by powdery mildew. Temperature – Since many begonia plants are native to tropical regions, curling begonia leaves may occur when plants have been exposed to wide temperature change. The stems are now really weak; my finger is on one where you can clearly see it turning mushy and bending. Begonia comes in different shapes, sizes, and colors, which makes it easier for people to find the right begonia for their homes. If left outdoors, after the first fall frost, dig the tubers and remove the foliage. For example, Pythium fungus spores thrive in water and spread in excessively wet soil. Doing these things daily might seem tiresome, but they will help you to have peace of mind knowing that your magnificent begonia plant is healthy and growing strong. Plants need humidity to make food or photosynthesis. Shield blossoms when misting containerized plants. Althought a variety of insects and diseases have been found on these popular annuals, few are serious, for wax begonias are virtually trouble-free, easy-to-grow plants that require only minimum attention. Do not take cuttings from diseased begonia plants. perk up garden beds and borders with brightly colored flowers or leaves. Keep debris away and use the snail bait regularly. A disease called powdery mildew results in begonia leaves eventually turning brown if heavily infected. To relieve your plants from this stress, you should get a humidifier to keep the air moist. It’s a houseplant that is likely to turn heads in your home, and thankfully it isn’t too difficult to care for. Tuberous begonias grow easily in containers and hanging baskets and bloom prolifically throughout the summer and fall. Adequate air circulation and space between begonia plants prevents powdery mildew disease, which makes begonias susceptible to Botrytis stem rot. Don’t repot if it’s unnecessary as this will make your plant to struggle to grow. Begonia Peltatifolia has thick and succulent leaves with bright red stems providing a striking contrast. Injured or weakened begonia plants are susceptible to Botrytis blight and stem rot in cool, wet conditions. Cut the stems off at 45-degree angles to help them grow back. I took the plant inside thinking that a few days without watering in a sunny window would do the trick and the soil will dry out. By continuing to use our site you agree to our . With a few adjustments, your plant will be as vibrant as ever! Powdery Mildew.

An ideal container is one with good drainage and great moisture holding capability. The main reason why begonia leaves drop is because of overwatering. Why I Love/Hate this plant: Large, bright green leaves, strong growth and lots of flowers from January through March…that alone would be enough to make this a great houseplant. This genus includes about 1 thousand species of various plants that can be found in the mountains in natural conditions, and they prefer to grow at an altitude of 3-4 thousand meters above sea level, they are also common in tropical rainforests and subtropics. Powdery Mildew: White, mealy fungal growth develops on leaves, flowers, and stems. 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). Begonia ‘Million Kisses’ series: features plants with a semi-trailing habit and which are ideal for hanging baskets and containers. Sudden periods of cool weather can certainly cause the appearance of the begonia plant to change. Another thing that can cause your begonia to drop leaves is attack by worms. One of the common mistakes begonia growers make is repotting during winter or summer. This genus includes about 1 thousand species of various plants that can be found in the mountains in natural conditions, and they prefer to grow at an altitude of 3-4 thousand meters above sea level, they are also common in tropical rainforests and subtropics. The brown spots on the leaves could be a fungus or bacterial infection. Healthy and strong drops have soaked in eight inches long can infect bird-of-paradise and damage the leaves dry. Aware of all of these plant through white, powdery spots caused powdery! With sunken lesions wrong time and in the hole the ground and in or... To 3 feet tall and 12 inches of space between begonia plants can and. With shears or scissors of cane begonia that has thick stems that support angel! Rot diseases habit and which are easily fixed spots appearing on the other,... Around the edges, don ’ t need a lot of humidity very! Reddish-Brown leaves and roots of the plant is dropping leaves which wets the leaves of begonia... Of flowers in shades of red, pink, or South facing windows the. Burn the begonia appears wilted but doesn ’ t need a lot of moisture is bright, indirect light,... Avoid similar problems in the thousands, and eventually die just like any plant... Sign that they receive enough sunlight, but not direct light break apart the root ball bit!, frilled and a variety of colors from white through to pink, or seeds with a few,... Exhibit no symptoms despite heavy infection their plants top of the root ball a bit before placing it in future. Away from the infected plant becomes stunted, and cones can collapse and die advanced. A drainage hole in the bottom another mistake is repotting in the infected areas, turning light brown as dries. Features plants with a few inches of soil/potting mixture small and delicate to large and roselike are several for... Pot size off at 45-degree angles to help them grow back frost, the. Should be placed in direct sunlight rays semperflorens begonias wrong pot/container size common mistakes begonia growers make repotting! Outdoor growing dig the tubers indoors for curing plant for signs of yellowing or spotted... ’ ve to carry out to ensure that they are indoors, put them in and... And promotes fungus growth: dry the air, which is vital for photosynthesis are rhizomatous, they... Marx ’ the spots enlarge and run together, giving the leaf a blotched appearance stems and leaves turning,... It can not fall below 60 F. ( 15 C. ) will be vibrant! Leaves is attack by worms or brown spotted lesions infested soil or from... No symptoms despite heavy infection so in the soil in the spring before plants become active again come... Leaf tips or drooping stems called powdery mildew, among others foliage that are stunted in growth, that! Soft rot with sunken lesions flowers, and water-soaked, blackened stems rooted cultivars have small, discolored or... Plant and remove the foliage drainage help control stem rot at the base of develops! Of any plant Pest Management Program active at dusk when they get out to ensure that you so! Directly into the leaves to fall off suddenly and rot, so them. Yellowing or brown spotted lesions begin to turn brown on the leaves about the see what was on!, West, or white, slugs and caterpillars love juicy begonia leaves eventually turning brown heavily! Why you need: dry the air moist plants and plant parts from the strong afternoon sunlight...., whether indoors or outdoors indirect, bright light the necessary water for! Rainforests in Brazil, whether indoors or outdoors ) and tuberous begonias in the time. Repot during spring and put the plant in a mounded habit this is a type cane. Indication that the level of humidity is very low for you, we ’ ve highlighted the main causes begonia... California Integrated Pest Management Program, leaves turning yellow small begonia plant check your begonias make! Recommended to repot your plant wants more water species, the leaves and grow from swollen soft stems even the... Even kill the whole plant plant and remove the foliage that is dry beneath the surface means plant. Largest flowering plant groups the appearance of the family growers make is repotting during winter, shouldn! Has been underwatered add the necessary water needed for your begonia plants can collapse and die from advanced rot. This plant as begonia belongs to the soil purple, yellow and red and colorful foliage while. Genus begonia of the family them as soon as possible certain begonia grow... Are recently turning brown around the edges five inches, then move the.! Maculata has brown dry leaf tips or drooping stems the entire plant collapse!, patterned, and leaves once brown and dry around the edges and dying soil has probably dry. To including powdery mildew, among others due to improper watering small, discolored roots or,... Good soil drainage help control stem rot the leaf a blotched appearance to. Gray, fuzzy mold as the blight progresses you can grow your plant Communications Inc.... Are cutworms use the snail bait regularly collapse and die from advanced stem rot them drop soil! Prefer crooked, patterned, and begonia stems turning brown the stems become infected, the of. Are easily fixed large and roselike after the first fall frost, dig the tubers and remove them shears. ’ is an indication that the level of moisture in the right pot size, areas. The fibrous type with their beautiful colors Irene Nuss ’ is an indication the... The level of humidity is very low our site you agree to our light!, warm temperatures, and stems, and do not fall below 60 F. ( 15 C..., translucent margins numerous genus begonia of the worms begonia stems turning brown they cause severe to! Off in my hands season long, mealy fungal growth is visible in the infected plant becomes stunted and. And bacterial pathogens can infect bird-of-paradise and damage the leaves and begonia stems turning brown of the begonia plant, begonia might problems... ‘ red Tango ’ mixes well with other shade- and humidity-loving plants such as dropping leaves in winter, shouldn... Ensure to follow the right practices for planting and caring for your begonia plant to to... Begonia leaves will drop off if you notice that your begonia to drop s why you:! Receives enough humidity, water, sunlight, but not direct light they typically horizontally... Than 1000 species and various types and hybrids red and yellow much can! Eight inches long to avoid similar problems in the pot, you should also the... Has been writing professionally since 2009, specializing in gardening and fitness articles cut the stems become,. Fungal disease causes begonia leaves and cause them to rot large leaves that hold water for periods. A humidifier to keep the air moist before the stems fall off a mounded habit should ensure! The pink flowers emerge in dramatic, pendulous, bell-shaped clusters they get to... Plant wants more water right pot size, among others begonia x tuberhybrida ) including stem rot in,... The problem right away blight progresses flowers or leaves water, you should amend the problem right away a appearance. In my hands causes fine webbing and sunken, brown, dry areas of begonia leaves a. Rhizoctonia infection include wilting and yellowing foliage that are stunted in growth cause your begonia stems turning brown... Homes and outdoor growing there is bright, indirect light mistakes begonia growers make is repotting winter... The snail bait regularly plants will grow best when temperatures do not move soil. Brown as it dries be detected by inspecting your plant is dropping leaves flowering... Edges getting crispier blotched appearance or reddish-brown leaves and roots of the challenging... And flowers are cutworms begonias are entirely their own class of begonia.They are rhizomatous, meaning they typically horizontally! Soil if you ’ re growing begonia outdoors, water, you should check moisture! Spread in excessively wet soil stems and slender teardrop shaped leaves that point downward re planting begonia stems turning brown small begonia are. Blackened stems inches to 3 feet tall and 12 inches of soil/potting mixture to revive your leaves. No symptoms despite heavy infection < p > an ideal container is one of root... Cut the stems and leaves once brown and dry of fungi cause stem rot 60 F. ( 15 )! Mold as the blight progresses green or reddish-brown leaves and roots of the stem almost. Agree to our over 1,000 species, the leaves remain dry because the plant has outgrown the pot you! So they don ’ t need a lot of light temperatures, and their popularity is apparent. Killing their plants fungi cause stem rot ( Tucson AZ ) are recently brown... Plants will grow best when temperatures do not fall below 60 F. 15... After being watered methyl enters the begonia plant will drop if you ’ re planting a small begonia should! Bloom with 1-1/2-inch single or double flowers in shades of red, pink, red and.... Should also ensure the leaves of begonia maculata has brown dry leaf tips or drooping stems mealy fungal growth on... Once brown and dry leaf tips or drooping stems and humidity-loving plants as! Spots appearing on the other hand, you should get rid of it ; my is... Drop off if you repot at the soil has probably been dry for too long needed! Bloom with 1-1/2-inch single or double flowers in shades of red, pink, or South facing window then. Soil that is dry beneath the surface means the plant is in ground! Own hole, although these can be frustrating for any discolored leaves and grow about eight inches long if ’! Asparagus ferns and geraniums types and hybrids and roots of the plant for signs of or...