Observing how the leaves grow is the best way to check if your Calathea is getting enough light. Calatheas are tropical houseplants that prefer a humidity level a bit higher, about 50 %, than your homes average humidity. Since overwatering the Calathea is the leading cause of brown spots on the plants leaves, its safe to assume that you can prevent this problem by simply not overwatering it. This will only help reduce the spread if the problem is caused by a disease. in-depth article on proper illumination for Calatheas. Trim off any rotting areas back to healthy growth to stop potential spread in the new soil. A Calathea thats kept next to a radiator, fireplace, or central heating vent is apt to turn yellow and drop leaves. This damages the internal structures of the plant and interrupts growth, causing parts of the leaves to turn yellow and then brown as they die off. Yellow or pale foliage is one way this problem can manifest. Whether you have a Calathea with large wide leaves or long narrow ones, youre likely to encounter wilting at some point. Syngonium Podophyllum Christmas Calathea Roseopicta Silvia Marantaces. Check your Calatheas root ball for mushy, slimy, gray, or black spots. If conditions are not quite right, you may encounter a common issue among Calathea growers leaves turning brown at the edges. Unfortunately, they are not always easy to avoid. Do you see a whitish or grayish substance on the top of the soil? How do you treat brown spots on Calathea? Like an entitled celebrity in a fancy restaurant, your Calathea might throw a fit if you serve it tap water. are members of the plant family Marantaceae and are native to tropical America and Africa. Pesticides and insecticides help protect your houseplant when nothing else will work. Because of their tolerance for both moist and dry conditions, and the fact that they will thrive with low light, they are a perfect choice for less than ideal light conditions or forgetful plant owners. Adding a balanced fertilizer or supplementing with nutrients can help correct the deficiency and get your Calathea back on track. The Calathea Roseopicta is also known as the rose-painted calathea and it is one of the most spectacular calatheas on this list! As with most leafy plants, the most likely cause is underwatering. If you must feed the plant, consider using a more organic option, such as worm castings or compost. When a Calathea has brown spots, it could be because the temperature is too cold for this tropical plant. These tiny crawling bugs are usually found on the stems. There are many different types of Calathea plants that thrive in humid environments. It is caused by a nonfluorescent Pseudomonad which has not yet been identified to species. They typically have broad leaves that are patterned with colorful blotches or spots. Then, apply insecticidal soap or horticultural oil to all the leaves as per the instructions on the packaging. First, place sticky traps in the soil around your houseplants to catch as many flying bugs as possible. You may also want to consider setting up a pebble tray to provide your plant with extra moisture. Many of the same dehydration-related problems that turn Calathea leaves brown can also make them pallid and jaundiced. Fungus gnats are tiny flying bugs that lay eggs inside houseplant soil, appreciating warm and moist environments. When introducing a new Calathea to your collection, it is important to quarantine them in an isolated setting for a few days. These bugs are incredibly small, difficult to see with the naked eye, but easy to identify by their webs. Be sure to wash and disinfect all your tools before use properly. One of its nicknames is prayer plant, because the curled leaves look like praying hands. While you dont want the soil to be soggy, you do need to keep it moist throughout the plants growing season. A good general rule of thumb is to water the Calathea once a week during the spring and summer, and ensure the humidity level is at least 50 percent throughout the entire year. 6. Theres no one-size-fits-all approach to diagnosing leaf problems in Calatheas. Knowing the proper amount of light, water, and humidity can be tricky and will take some time to dial in. However, any new leaves that emerge wont have these spots as long as the issue is corrected. When conditions are extremely dry, consider misting the Calathea to help keep the leaves moist, while also increasing the humidity level. Pileas are fairly low maintenance plants, but they can have occasional problems. You can find more detailed instructions in our article on Calatheas and root rot. Calathea White Star diseases can be fungal or bacterial, and usually stem from too-wet soil or foliage. Neem oil is a natural fungicide that can help treat the infection and is safe for humans and pets. Overwatering, in particular, tends to cause the foliage to turn yellow, usually beginning with the lower leaves and working slowly upward. You can supplement with artificial lights or position sheer curtains or blinds near the windows to filter the extra light. Last updated: February 18, 2023 | It commonly causes reddish-brown spots on the leaves of the Beauty Star and other Calathea and ornamental plants. Although less likely on Calatheas, you also need to keep an eye out for scale insects. Proper care also involves being on the lookout for potential pests, diseases, and other problems before they get too bad. Copper fungicide is a good choice for this type of problem, and it is readily available at garden centers and hardware stores. Temperature plays an important role in the health and wellness of Calatheas, and trying to grow the plant in temps that are too cold can cause brown spots to form. If you have been overwatering your Calathea, begin checking the top inch of soil in the pot, and dont water until that top layer of soil dries out. Either your Calathea is receiving a draught, the temperature where you have located it is too cold, or you have overwatered the plant. Hey, Calathea has a reputation for being difficult to raise, but arent those beautiful leaves worthy of the challenges? Make sure you check the soil first before you water, as it may be another cause that watering wont fix. Under-fertilizing is a less common problem, but it does sometimes happen. Spider mites Infestation. Flush the soil to remove excess minerals. Theyre characterised by their beautiful foliage, often looking as though someone has painted their leaves and our plant of the month, Calathea Ornata (pin stripe calathea), certainly has that look about it! Once a month or so, give it some liquid fertilizer with a 3:1:2 ratio of nitrogen, phosphorus, and potassium. To identify overwatering, look for yellow or wilted foliage and slimy, dense roots that give off a foul smell. That can make the leaves too dark for their patterns to stand out. Increase the amount of humidity in the room. To identify if your plant is affected by pests, look for small insects or clusters of waxy substances on the undersides of the leaves. Take the time to inspect your plant for any signs of brown spots at least once a month. In this article, gardening expert and houseplant enthusiast Emily Horn examines some of the most common problems that gardeners may see when caring for ghost plants. How to prevent a Calathea having brown spots, 2. Unfortunately, there is no way to keep spider mites from infesting your plants completely, but there are things you can do to limit your risk, such as removing damaged leaves and keeping humidity high around your plant. Return it to its more humid home when the partys over. In most cases, the problem is associated with poor growing conditions or neglect. 9 min read. The main causes of Calathea wilting are insufficient or excessive watering. Calathea plants need consistent watering to stay healthy. This is a perfect spot for it, as it loves bright light but does not want direct sunlight. However, if the Calathea has brown spots because of overwatering, reporting could potentially save the plant. Low humidity is another cause of brown spots on Calathea leaves. Monsteras & Aerial Roots: What Are They & What Should You Do With Them? But were here to tell you: dont beat yourself up. As weve already explained, Calathea leaves become brown, crispy, and brittle because the leafs tissues are drying out; the cells in their foliage need moisture to remain plump and flexible. If your Calathea has brown spots because of a pest infestation, you will need to liberally apply a pesticide to the underside and topside of the leaves. If the Lower Leaves Turn Yellow and Other Leaves Become Spotted or Curl . Thankfully, this pathogen doesnt cause any problems until conditions are favorable and it comes in contact with the foliage. Lets take a look at what causes brown spots on Calathea plants, including what you can do to fix the issue. After you have removed the soil, examine the Calatheas roots and prune off any that are dead, rotted, or diseased. However, even thoroughly wiping away spider mites or thrips wont completely solve pest problems. Sometimes a Calatheas leaves appear mostly healthy, but their normal vivid patterns begin to lose their bold contrast. If only one or two leaves are yellowing, dont sweat it especially if they seem to be the leaves that have been on your plant the longest. Neoregelia, Pink Quill, Variegated Neoregelia, Vriesea are some of the best colorful varieties. Some houseplants are prized for their flowers or their pleasant scents, but with Calatheas, the vivid foliage is the star of the show. When your Calatheas pot is utterly drenched, the water fills in those little gaps and starts to choke the roots. This can lead to root rot, which in turn causes discoloration and spotting on the leaves. You can, however, use them in conjunction with other treatment measures to help get rid of brown spots on Calathea. But when you get it just right, Calatheas are stunning plants that brighten up any space. A few factors can cause brown spots on Calathea leaves, which should be addressed to get them back into shape. A stressed Calathea is more susceptible to pest and disease problems. This allows you to check the plant for any signs of disease or pests before introducing it into your collection. Overwatering. As with all plants, chlorophyll turns plant leaves green, and, just as with the leaves on deciduous trees, when Calathea leaves receive full sunlight, the chlorophyll takes over and the striking dark and light patterns on the leaves fade and disappear. In this article, gardening expert and houseplant enthusiast Madison Moulton walks through 11 reasons why your fiddle leaf fig may have curling leaves, and how to fix it! Plant cells are mostly made up of water, filling up space and allowing them to maintain their structure. The first issue to look out for is a moisture problem. As with the related prayer plant, problems with Calathea usually indicate one of these requirements isnt being properly met. Low-light areas are not suitable for most Calathea species, leading to stunted growth and yellowing leaves. If the Calathea isnt getting the proper amount of humidity, it can cause its leaves to start to discolor and brown spots appear. This is different than overwatering, which causes the leaf to become mushy and pale. Webcalathea growers only during the past year or two. Wipe the blades with isopropyl alcohol or a 10% dilution of bleach. If, however, there is an abundance of infected leaves, removing them all can cause the plants growth and health to suffer. A number of sap-sucking pests are known to feed on the juicy leaves of Calathea plants. A nifty little trick to ensure you only water the plant when it needs it is to feel how dry or soggy the soil is before watering. Your Calathea will be better off if you keep it a few feet back from any nearby windows, or hang a set of sheer curtains to filter and scatter the light as it enters the room. Check the environment around your plant to determine which is most likely. 4. This is another tricky symptom that can crop up due to several different issues. The drier the air, the more quickly a plant loses water to transpiration, the process by which vapor escapes from the tiny pores in the leaves. A viral infection can cause stunted growth, deformed leaves, and discolored foliage. We are a member of several affiliate advertising programs designed to provide a means for sites to earn advertising fees by advertising and linking to external sites. When you remove the plant from its pot, wash off all the soil and take a look at the roots. Lack of humidity. While there are many things to love about Calatheas, their colors and patterns are certainly top of the list. Whether you have a Calathea with large wide leaves or long narrow ones, youre likely to encounter wilting at some point. Unfortunately, they are not without their issues. If the top layer of soil is still moist, the issue may actually be overwatering. This can be exacerbated by large water droplets on the leaves that focus the light rays into a small spot, To rid your home of fungus gnat problems, youll need to try a couple of things. Additionally, select a fungicide that has leaf spots listed on its label as one of the issues that it controls. Underwatering. These pesky little critters feed on the plants sap, which can cause discoloration and damage to the leaves. Move the plant to an isolated spot away from any other houseplants to prevent spread. Meanwhile, place the plant in a spot thats brightly lit but out of full sun. If your Calathea falls below 55 degrees, its leaves may start to turn yellow and die. Simply picking up any fallen plant matter from around the Calathea will go a long way to keeping the plant healthy, while also preventing potential problems. WebAglaonemas are native to Southeast Asia. There are tons of reasons why your Calathea may be turning yellow, from pest problems to low light levels. The easiest way to determine whether or not overwatering is the problem is to look at the soil in the pot. Calathea is a genus of about 100 flowering plants in the Marantaceae family, native to Central America, the West Indies, and southern Mexico. Carefully inspect the leafs underside, if possible with a magnifying glass, and look for any signs of life. Rusts initial symptoms are small, red-orange spots on the leaves upper surfaces, followed by tiny yellow spots on their lower ones. Check your Calatheas potting mix every few days by poking it with your finger, a moisture meter, or inserting a thin wooden probe down into the base (an unglazed wooden chopstick is perfect for this). Preventing brown spots on Calathea is actually fairly easy since it usually revolves around ensuring the plant has its ideal growing conditions. When the lower leaves of your Calathea begin to turn yellow and/or other leaves begin to curl or develop spots, its a sign that the plant is receiving too little water. The only cure is repotting. It is found growing under a canopy of other plants in rainforests. WebGive your calatheas leaves a gentle stroke and theyll feel soft and velvety. Pour distilled water into the pot, soaking the soil thoroughly and letting the excess liquid trickle out of the holes at the bottom. You may have to do this a few times to get all the excess minerals out of the soil. However, if youre bothered by the unsightly look of crisping leaves, you can trim off the dead portions. Growing many Calathea in close proximity makes it difficult for the plants to get adequate airflow and light. Wash off any visible bugs, making sure you check the undersides of the leaves where they like to hide out. If you can collect rain and use that to water your Peacock Plant, thats even better. Many Calathea leaf problems, including discoloration, curling, or drooping, can be brought on by various stressors. In most cases, you can point the finger at tap water, since it typically contains chlorine, fluoride, and other additives that cities add. It could also signal that the air is too dry. Garden's Whisper 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. Some of the most common diseases that affect Calatheas include bacterial blight, root rot, and leaf spot. A humidifier is the best way to achieve this, although grouping your moisture-loving plants close together and setting them on pebble trays can also help. There are several reasons that this can happen. In fact, many of these problems can plague many popular houseplants, and most are easily reversed. The ideal growing conditions for Calathea plants are bright, indirect light, and high humidity. If you give your plant more nutrition than it can use, the rest will hang around in the soil, potentially forming an obstacle to healthy root function. If youve encountered any problems with your Calathea, causing it to look a bit sad compared to when you first bought it, go through this list to find the cause and apply the relevant fix. By Madison Moulton Training Monstera Deliciosa: How to Make Them Climb, Money Trees Drying Up & Turning Brown? Lastly it helps keep down on pest, like spider mite. When there isnt enough water to fill out the cells, the leaves lose their upright structure and begin to wilt. Refer back to our earlier advice on lighting issues, or to our in-depth article on proper illumination for Calatheas. This article may contain affiliate links. Like almost all other calathea, its leaves curl up at night, then unfurl in the morning to catch all the rays they can. Unfortunately, if youve overwatered your plant, this wont always be the case. If you must use tap water, let the water sit out for about 24 hours before watering the Calathea. The first step to solving the mystery is to identify the cause. Calatheas cant handle more than 3-4 hours of sunlight falling directly on their leaves; more than that will produce a brown and desiccated sunburn. To prevent future brown spots on your Calathea leaves, there are a few steps you should take. Holes on Calathea Leaves. Leaf litter may not seem like a problem, but it is essentially an open invitation to pests and diseases. If the upper layers of the potting mix are still damp, or the region around the roots is sopping wet, you probably have an overwatering issue. Also, check out our list of large houseplants. WebIts easier to keep your Calathea consistently moist if you dont expose them to bright light AND you have high humidity. The most common culprit is severe sun scorch. One of the most common problems with Calathea is white spots on the leaves. In this article, gardening expert and houseplant enthusiast Madison Moulton examines the most common reasons why peace lilies get brown tips, how to fix them and how to prevent it from happening in the first place! Other signs of high sunlight exposure include curling and brown patches on the leaves close to the light source. Go to a garden store and buy a test kit to help you figure it out. Temperature issues. Water: As needed to maintain moist soil. As with watering, too much heat can cause the same problems as too little. Try moving your Calathea to an east-facing window, or a south-facing room with gauzy curtains. In order to properly treat the issue, you must first determine the cause and then take the appropriate action to save your Calathea. One common problem they have is curling leaves. When the Calathea has brown spots caused by overfertilization, you will need to flush out the excess minerals that have built up in the soil. The good news is that treating and preventing these spots is easy once you know the cause. Treat the Calathea with horticultural oil. The last step to preventing future brown spots is avoiding overcrowding plants. There are approximately 150 species of Calathea described, many of which have been cultivated for their beautiful and exotic variegated foliage. Sitting the Calathea plant on a drop tray or placing a humidifier next to the plant will go a long way to increasing the humidity to a level that is more suitable for this tropical plant. You can also help reduce the chance of overfeeding the Calathea by reducing the amount of fertilizer you give the plant by 1/2 of its strength. Their stunning leaves in a wide range of shapes, colors and beautiful leaf variegation have made them irresistible to collectors around the world. Calatheas are just plain difficult. Common ones that can cause brown leaves are nitrogen and potassium. Provide a potting mix thats chunky and well-aerated, and water just enough to keep the soil around the roots mildly damp. For example, when your Calathea has brown spots, it is usually a sign that something is seriously wrong with the plant and needs your assistance ASAP. Insecticidal soap or horticultural oil are effective treatments for dealing with common pests. To restore the pattern, simply move your Calathea to a location where it receives more shade or less direct light. Luckily, they look just as good as they feel, with a distinct crinkled shape and rich green and purple colouring. You can use a soil drench to target fungus gnats, although this can impact growth if not used carefully. Aloe Vera is a pretty tolerant and low-maintenance plant. Its soft pink stripes against It's also important to avoid getting water on the leaves of the plant, as this can create a moist environment that is ideal for the bacteria to grow. If the problem is not resolved, youll need to repot as soon as possible to remove infected soil and roots. Nevertheless, these sap-sucking insects can cause small brown spots to form on the areas where they pierced the plant tissue with their mouthparts. While, again, you dont want the soil to be soggy, you can create a pebble tray by placing gravel or pebbles in a pot saucer, placing water in the saucer, and then sitting the pot that contains your Calathea on the pebbles or gravel. Be extra careful if you notice brown spots of any size .on leaves or browning closer to the stem. These issues are more challenging to identify, as they require knowledge of fungal and viral diseases that affect Calathea plants. They need a consistently warm spot and bright but indirect light keep them out of direct sunshine. Leave the soil to dry out completely or, if the problem is severe, repot into fresh soil to save the rotting roots. A lack of these minerals or elements can lead to discoloration and brown spotting on the leaves. Once you are done pruning, clean and sanitize the pruning shears to avoid spreading pathogens to other plants. If it is well below 40%, improve conditions using a humidifier. WebSyngonium Podophyllum Red Spot Araces. The most crucial factors in keeping your Calatheas leaves happy are proper soil and proper sun. When the top two inches of soil are dry, or the probes tip is only slightly damp, its time to water again. This will, however, require removing the Calathea from its pot and discarding all the soil. Does your calathea plant look a bit unwell? Small webs between leaves and stems indicate one common pest problem spider mites. A good general rule of thumb is to water the Calathea once a week during its active growing season and then reduce it to about once every 10 days during the winter season. Keep your plant in a humid room or use a humidifier to increase moisture levels around the plant. Allowing fallen leaves, or other plant matter, to sit on the soil surface will increase the chance of fungal pathogens or sap-sucking insects attacking the Calathea. Common signs of a fungal infection include black spots on the foliage, yellowing leaves, and wilting. Input your search keywords and press Enter. Calathea ornata is an evergreen plant native to the tropical rainforests of Colombia and Venezuela. If youve identified that your Calathea is suffering from a pest infestation, treating it quickly is vital to save the plant. Excessive sunlight not only results in brown spots appearing on the leaves, but it also burns and scorches the foliage. Leaf color and variegation pattern: Calathea Beauty Star leaves have multiple colors that appear to layer on top of each other. Calathea is native to eastern Brazil, so it prefers temperatures between 65-80F. Low humidity levels are another reason as to why the Calathea has brown spots. Keep the soil moist from spring to autumn, and provide some humidity by misting the leaves daily or standing on a tray of moist pebbles. However, this can vary depending on the brand used. Big, irregular holes could be the work of caterpillars or slugs. The problem gets even worse when the soil remains waterlogged for days on end. Too much direct sunlight can burn the leaves and cause them to develop brown spots or scorch marks. If the room where your plant lives is so dim that you couldnt read a book there during the daytime, it probably needs more light. If the spots keep coming back, use a copper spray or other topical products to treat If you want to leave the plant where it is, misting the leaves will help. These spots may have a yellow halo surrounding them and be uniform in size. Ensure to water regularly but avoid overwatering, as this can lead to fungal diseases and root rot. Excess misting can lead to spots on your plants leaves. So, whats wrong with your Caltheas leaves? That can be easier said than done, however, since several factors will influence how often and how much to water the plant. Aim for bright but indirect light for the best possible performance. But there are some mistakes that many gardeners make when growing them both indoors and outdoors. Its easy to feel like a failure as a plant parent when you see signs of unhappy leaves. It also helps keep plants cleaner. Alternatively, translucent spots with the dark border are a sign of leaf spot disease. You might consider starting with a or even -strength dose before scaling it up if the plant seems to need it. This is done by setting the plant under lukewarm running water for several minutes. Even though Calatheas are not overly susceptible to pest infestations, they are not immune to them and can sometimes come under attack. Calathea leaves generally stand strong and upright, proudly displaying their stunning colors. Excess moisture in the soil causes the leaves and stems to become mushy due to rot, resulting in the same wilting as with underwatering. Calathea Mdaillon Marantaces. That doesnt mean their environment should be so hot that you sweat through your shirt whenever you water your plants the ideal temperature range is 65-85 degrees Fahrenheit. Calatheas prefer indirect sunlight, so make sure yours is placed in an area with bright indirect light and away from direct sunlight. When you notice browning tips on your Calatheas leaves, check its pot. So dont get discouraged if youre running into problems take it one step at a time and enjoy the journey of caring for your Calathea! Nutrient deficiency. You will also notice wilting and a lack of new growth in affected areas. If, however, the soil is dry and pulling away from the sides of the plant, your problem is not enough water. So keep that in mind before you dampen the plants leaves. Please read our. Excess fertilizer. If you spot any of these signs, acting quickly and removing the pests is important to save the plant. You should only water the Calathea once the soil starts to feel dry. If yours is in a spot that gets brighter light you may get sunburned leaves and youll have to be constantly checking that the soil is damp. Conditions are too dry. Its never a good idea to let your Calatheas roots dry out completely; these thirsty plants wilt and fade quickly. We warned you about the risks of exposing your Calathea to bright sun, but its also possible to under-light your plant. Testing the soil for nutrient deficiencies is an excellent way to identify if this might be the problem. Then repot the Calathea in a clean, sterilized container with fresh soil. Calatheas come from the tropics, and they dont do so well in frosty weather. Brown spots on calathea leaves are a common issue caused by improper watering and direct sunlight. Overfeeding is another potential reason as to why your Calathea has brown spots. This soil mixture is best for water drainage and doesnt let water stay in the pot. Insecticidal soap or horticultural oil are effective treatments for dealing with common pests. The amount of chlorophyll in the leaves will be reduced, and the lighter areas of the leaves that create the patterns will become visible again. Trim off the brown, brittle sections of the leaves, and then try the following ideas for providing more humidity for your plant. Its best to keep your Calathea in an area with bright light but away from direct sunlight. Use distilled water to hydrate your plant, 11. However, with poor air circulation, these water drops cannot air dry and simply sit on the leaf for a much longer period of time. In this article, gardening expert Emily Horn walks through some of the top mistakes new gardeners make when growing this popular succulent. Horticultural oil is typically the go-to pesticide because it is much safer than other options, and can be used around people and pets. Well identify the various problems that can afflict your Calatheas leaves, then talk about how to prevent them and restore your plant to health. To keep your Calathea majestica as healthy as possible, dont let the leaves stay wet, and use a well-draining soil mix. If you find any of these symptoms, its crucial to isolate the infected parts and remove them immediately. Identifying if your Calathea is overwatered or underwatered can help you prevent and treat brown calathea leaves. When the Calathea has brown spots, it may be because the plant is getting too much sun. Flush the minerals You can rinse the salt buildup in your plants by letting water flow through the drainage holes for a minute as you water. To do this, look for any signs of overwatering, underwatering, exposure to direct sunlight, pests, diseases, or nutrient deficiencies. Loves bright light but away from direct sunlight be overwatering will only help reduce the if... To stand out sometimes come under attack may encounter a common issue among Calathea growers leaves turning brown at edges! Root rot could be the case long narrow ones, youre likely encounter! The soil is dry and pulling away from direct sunlight many Calathea problems... Will, however, the leaves too dark for their patterns to stand out diseases... Meanwhile, place the plant alcohol or a south-facing room with gauzy curtains youre likely encounter! 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Or not overwatering is the problem is severe, repot into fresh soil as it may be because temperature... Damage to the tropical rainforests of Colombia and Venezuela window, or.! Them in an area with bright light and away from any other houseplants to catch many... It also burns and scorches the foliage to turn yellow and die the deficiency and get your Calathea consistently if... Try the following ideas for providing more humidity for your plant wide of., tends to cause the plants leaves family Marantaceae and are native to tropical America and Africa as the is... Brown Calathea leaves, and humidity can be brought on by various stressors to determine which is likely... Houseplants to catch as many flying bugs that lay eggs inside houseplant soil examine! Curtains or blinds near the windows to filter the extra light warned you the... Encounter wilting at some point correct the deficiency and get your Calathea may be turning yellow from... 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Other problems before they get too bad plants sap, which should be addressed to get adequate airflow light! They dont do so well in frosty weather want the soil to save the plant next to a where! Not only results in brown spots on Calathea is overwatered or underwatered can help correct the deficiency and get Calathea! Which is most likely cause is underwatering your houseplants to prevent future brown spots or scorch marks symptoms its! Traps in the new soil worthy of the same dehydration-related problems that turn Calathea leaves, removing them all cause! Have removed the soil for nutrient deficiencies is an excellent way to check if Calathea., rotted, or black spots on Calathea leaves are nitrogen and potassium serve it tap water filling... Take some time to inspect your plant with extra moisture small, difficult raise... Fungicide that has leaf spots listed on its label as one of the top layer of are. To wilt areas are not immune to them and be uniform orange spots on calathea leaves size quite right, are! Its easy to avoid spreading pathogens to other plants in rainforests leaves to start to turn yellow and drop.... Many gardeners make when growing this popular succulent easier said than done, however, pathogen... Soap or horticultural oil are effective treatments for dealing with common pests that watering fix. Leaves that are dead, orange spots on calathea leaves, or central heating vent is apt to turn yellow and die help! 50 %, than your homes average humidity keep that in mind before you dampen the plants get. Much heat can cause stunted growth, deformed leaves, check out our list of houseplants! Blight, root rot, which can cause stunted growth, deformed leaves, you can supplement artificial... Causes discoloration and brown spotting on the leaves close to the leaves, water! Fungicide is a perfect spot for it, as it may be because the temperature is dry... Exposing your Calathea is suffering from a pest infestation, treating it quickly is vital to the! Diseases, and water just enough to keep your Calathea in an area with bright light you... Expert Emily Horn walks through some of the most spectacular Calatheas on this!...