Your biggest treasure will be the magnificent foliage that it will display. The first sign is a spot that seems to be wet or water-soaked even with no recent watering. These spots will eventually fade on their own, so theres no need to do anything. Its thick, round, dark green leaves and reddish stems create a beautiful contrast. This will remove any pests trying to set up shop before you notice signs of damage. However, because the leaves of calathea move up and down in response to light, make sure that youre not mistaking natural movement for a need for water. $MMT = window.$MMT || {}; $MMT.cmd = $MMT.cmd || [];$MMT.cmd.push(function(){ $MMT.display.slots.push(["2b3640b3-894b-4d45-abdd-59fb2d7c5a7f"]); }), $MMT = window.$MMT || {}; $MMT.cmd = $MMT.cmd || [];$MMT.cmd.push(function(){ $MMT.display.slots.push(["2b9d14d3-4f4d-4464-9b8c-233f40149f5f"]); }), $MMT = window.$MMT || {}; $MMT.cmd = $MMT.cmd || [];$MMT.cmd.push(function(){ $MMT.display.slots.push(["f4142c35-83e2-4172-8bb7-e96ab24e1628"]); }). If you disturb the plant, these little flies tend to take off like fluttering snowflakes. Youll also want to consider repotting your calathea plant if theres any evidence of root rot or decay in the soil base. In large pots, the soil occupies a large amount of space compared to the roots, so water may take a long time to evaporate, increasing the likelihood of rotting. You can also try using a natural remedy like neem oil. But dont worry, there are solutions for each problem. Eventually, the leaves may develop burn spots. For nutrient deficiencies, fertilize the plant with a nitrogen-rich fertilizer. A better choice for suffocating stubborn pests like thrips, spider mites, and scale is the use of horticultural oil without neem as an ingredient. The most common cause of white spots on Calathea leaves is direct sunlight. Chose a spot with ambient sunlight; a north-facing window can help. Tap the leaf hard over a piece of white paper and watch for dark insects falling off. This will kill most insects on contact. Velvety leaves tend not to mind drying out as much as plants with thinner leaves. If there a puddle of water left on leaves it can cause water spots. The fungus lives in the growing medium, breaking down organic matter and releasing nutrients into the mix, which can then splash onto the leaves and create an ideal environment for the mold to thrive. The leaves of this plant are sensitive to sunlight and will develop spots if theyre exposed to too much of it. Care: Keep the soil moist, water when the first inch of soil gets dry. They puncture the tissues and suck the moisture out. Clean the leaves and stems with water, then clean the growing medium to remove mold. They can also be found on stems and in the crevices of leaves. Watering must be done more often in better light and less frequently in lower light. The best way to treat white spots on Calathea leaves is to remove the affected leaves and treat the plant with a fungicide. Hi Calathea Lovers, I just discovered the same thing on my "Calathea Makoyana". Unfortunately, this is a very generic symptom. You should also inspect the plant regularly for signs of pests. Even if the plant has sufficient hydration and sunlight, this will prevent it from growing. Go get em!! Take your Calathea zebrina to the sink and allow the water to run slowly through the soil flushing out the salts. Replace the first inch or two, and top with a few tablespoons of cinnamon to prevent the white Scale from returning. Limit the amount of time your calathea plant is exposed to direct sunlight to 2 to 6 hours every day. These tiny pests are difficult to see with the naked eye, but they leave behind telltale signs of their presence in the form of white spots on the leaves of the plant. After looking at the plant, one thought might be lingering in your mind; these plants are captivating to look at, so they must be difficult to care for. To correct a nitrogen deficiency, fertilize your plant with a nitrogen-rich fertilizer. Ensure that the top layer of the soil (about 1 inch) is dry before watering it again. Fill a spray bottle and liberally spray the white mold of the affected plant leaves and stems. In many cases, all a Calathea plant need is the right environment to overcome any minor pest or disease problems. Every once in a while, check for fungal growth and apply. These tiny insects suck the sap out of plants, causing damage and discoloration. Dont worry there is a simple solution! Remove the diseased leaves from your Calathea and discard them in the garbage. (Essential Tips). Some common diseases of Calathea are summarized in the table. Too much direct light can sunburn the delicate calathea leaves. Mealybugs are one of the most common houseplant pests. Calatheas require a temperature range of 62F (16C) to 81F (27C) to avoid brown tips. 4. Here are some tips on how to treat white spots on Calathea leaves: Its penultimate first to identify the spots causes is essential to treat them correctly. There are tons of reasons why your Calathea may be turning yellow, from pest problems to low light levels. Various things, including mealybugs, Scale, aphids, nutrient deficiencies, or water stress, could cause little white dots on your plant leaves. Repot plant when you believe the roots are getting too big for the pot. They are small, white, wingless insects that feed on the sap of plants. When calathea leaves receive full sunshine, the chlorophyll takes control, and the distinctively dark and light patterns on the leaves soften and fade. The plant wants consistent, slightly moist soil at all times however, if you make them sit in a soggy pot, their leaves not only turn yellow, but the roots can be affected. Direct sunlight often causes white spots on Calathea leaves by destroying the delicate pigments, resulting in white or yellow discoloration. On the other hand, if the leaves are pale and turning brown, it means that you are using hard water. Are you struggling to treat white spots on your Calathea leaves due to White mold? Save my name, email, and website in this browser for the next time I comment. Calathea prefers a humidity level of 50 percent or more, so you can use a. To remove white spots from Calathea leaves, gently rub the spots with a soft cloth soaked in soapy water. However, if it is a watering or humidity issue, your Calathea White Star will develop brown spots or crispy leaves starting at the tip . If a fungus causes the white spots, wash the leaves and stems and add a few tablespoons of cinnamon to the growing medium to prevent it from growing back. If this is the case, youll need to treat the plant with a fungicide. Fungus Gnats: The adults generate clouds of tiny little pests, but the larvae may eat through your plants roots, making these small bugs more of an irritation than anything else. 3. Quarantine the plant to prevent mites from spreading to other houseplants, and be prepared to battle the bugs for at least a few weeks. These gnats lay their eggs in moist soil, so moisture-loving plants like Calathea are a prime target. Give your plant a few weeks to recover if you have shifted it to a new place or repotted it. Little white spots, that can be washed away but come back within a week or so on the back of the leaves are fairly common. To get rid of mealybugs, try using neem oil or an insecticide. Regarding the leaves, we will tell you that they are dark green but with white spots. Andrew is the Editorial Director at Petal Republic. It is caused by a build-up of water in the leaves, and is often the result of too much water being given to the plant. If your white spots are caused by spider mites, youll need to treat the plant with an insecticide. Browning Tips on Leaves with Yellow Halo, Calathea Orbifolia: Ultimate Care Guide, Tips and FAQs, 15+ Types of Wildflowers (With Names & Pictures), 5+ Reasons Behind Jade Plant Dropping Leaves, Yellow, dark brown to black circular leaf spots with concentric rings. Calathea have a reputation for being fussy houseplants. If that doesnt work, you can try a more powerful insecticide. Discover the causes of white spots on Calathea leaves & easy solutions to restore your plant's health in this guide! . The affected leaves will typically be small and pale green or yellow. By moving the plant to a shadier spot and increasing the water, you can help your Calathea plant recover from sunburn. (Common Causes and Solutions), Hibiscus Pruning and Deadheading: A Gardeners Essential Tips for a Spectacular Display, How to Grow Hibiscus Cuttings in Water (Essential Tips), Can You Grow Hibiscus in Pots and Containers? They are usually termed as leaf spot diseases to loosely classify and manage them, but there are many and they are diverse. Another is to apply a pesticide that is specifically designed to kill spider mites. To prevent infestation, regularly inspect the bottom of the leaves and the spots where the leaves meet the stem, and look out for little flying bugs. Calathea plants tend to get overwatered because they require high humidity, making them prone to bacterial or fungal infections. They live on the undersides of the leaves, where they create a spider looking web (thus the name Spider mites), where they lay their eggs. They prefer 50% humidity and up, with higher numbers better for them due to their adaptation to native jungle habitat. Dissolve one tablespoon baking soda in 1/2 gallon (2 l) of water. Use pure, liquid Castile soap without any additives or perfumes, and dilute one tablespoon of mild liquid soap in one quart of water. Place your newly potted Calathea in bright, indirect light and provide high humidity of at least 60%. These pests generally only infest greenhouses, so youll find theyve moved into your home via a newly purchased plant. Provide bright indirect light and a temperature within 65-80F (18-27C) as well as a humidity >60%. Be sure to quarantine infested plants and keep them away from other houseplants to avoid spreading the pests. Spider mites are the tiny white spots on the underside of this Calathea leaf. There may be a harsh or brittle feel to the leaves, and the margins of the leaves may split when stroked. There are a few different reasons why this may happen, but don't worry, there are also a few different solutions. But these white spots are a sign of good health and can easily be wiped away with a damp cloth. To prevent this, make sure to give your Calathea plant plenty of water. Treatment Remove the infected parts of the plant. If the condition is left untreated, the leaves may begin to turn yellow and drop off. Additionally, providing adequate indirect light and ensuring proper hydration can help keep your Calathea healthy and free from sunburn. Neem oil increases their sensitivity further, causing them to become discolored or damaged by the light they would normally require. If you havent seen any pest problems on your Calathea yet, there is no need to start an insecticide program automatically. Mites, caterpillars, scales, and mealybugs are frequent pests in calathea. For larger mold infestations, spray the affected Calathea leaves liberally with a solution from two teaspoons of milk diluted in one quart of warm water. To prevent white spots from forming on Calathea leaves, keep the plant in warm and semi-humid conditions, water regularly and provide good nourishment, and keep the leaves away from direct sunlight. Your guide to the best flower markets in London. In conclusion, paying close attention to any white spots on your Calathea leaves is essential. To identify a spider mite infestation on your Calathea, look for the mites themselves, their eggs, or the webbing they produce. This sap, when dried, leaves white spots on the foliage that can be mistaken for signs of distress. Treat white spots on Calathea leaves caused by Thrips with mild horticultural oil or soap treatments. 5. If youve noticed white spots on the leaves of your Calathea plant, its likely due to a type of saprophytic fungus known as white mold. Be sure you're not over or underwatering your plant. If you notice tiny white dots on your Calathea leaves, quickly check the underside of the leaf for spider mite webbings. Repeat as necessary until the white powdery mildew has gone. What Are the Best Types of Climbing Monstera Plants? Where to Position Ficus Ginseng in the Home, Where to Position Air Plants for Optimal Care and Feng Shui Benefits, Where to Position Prayer Plants in the Home, Where to Position Money Tree Plants in the Home, 12 Amazing Benefits of Dracaena Marginata Plants, Where to Position Dracaena Marginata Plants in the Home, Where to Position Nerve Plants in the Home, Birthday Flowers for Her: A Guide to Choosing the Perfect Blooms, The Official Birth Month Flowers: A Guide to the Perfect Floral Gift for Every Birthday, 15 Best Types of Flowers for Birthday Gifts, February Birth Flowers and Their Meanings, Birthday Flowers for Your Wife: Your Ultimate Guide to Choosing the Best Blooms, Birthday Flowers for Mom: Your Ultimate Guide to Choosing the Best Blooms, Birthday Flowers for Him: 15 Stunning Varieties That are Perfect for the Man in Your Life, 17 Best Types of Flowers to Gift to Your Girlfriend, 14 Best Types of Flowers to Gift on A First Date, How to Get Bugs, Pests, and Diseases Off Calathea Plants, Dealing With Common Calathea Plant Pests & Diseases The Essentials, The Most Common Calathea Plant Pests and Diseases (& How to Identify Them), Pesticide and Insecticide Options/Solutions, How to Use Pesticides & Insecticides for Calathea Plants, Ensure the soil you choose drains quickly, 12 Best Florists for Dried Flowers in New York City (2023), Ultimate Guide to Variegated Pothos Plants. Meanwhile, place the plant in a spot that's brightly lit but out of full sun. Fungal infections, pest damage, or nitrogen deficiency are possible causes. If you want to get a calathea or already own one but are skeptical about the dos and donts, this article is for you. Your Calathea will likely spend at least 1-2 months growing new, healthy roots before producing any new foliage. While this can be alarming, the good news is that there are a few possible causes and some easy solutions to help restore your Calatheas leaves to their pristine condition. Just be sure to follow the directions on the label carefully, as you dont want to damage your plant. To effectively get rid of these pests, dilute solutions of soap, rubbing alcohol, or neem oil every 3-5 days. Some diseases interfere with their growth and may require treatment. Yes, the white spots could be indicative of a nutrient deficiency. Use pots with drainage holes to prevent overwatering. To prevent the spread of white mold, its important to keep your Calathea plant in a well-ventilated area with low humidity. Give your calathea's leaves a gentle stroke and they'll feel soft and velvety. Yellow spots on calathea leaves are often a sign of pests or disease. Note: No chemical treatment is available for Fusarium Root Rot. Its important to keep the plants soil wet but not soggy. The causes of falling leaves in calathea plants are quite similar to the factors that induce droopyleaves. A healthy Calathea turns its leaves gently to collect ambient sunlight, whereas a sick Calathea curls its leaves firmly to indicate concern. You may be able to spot clusters of little white dots along the plant's veins - these are spider mite eggs. To help the plant recover from nutrient deficiency, use an all-purpose liquid fertilizer and maintain a consistent watering schedule. If the spots are powdery, you can assume it is mildew, which is treatable with a milk spray solution. Aerate the soil to ensure that the water reaches the roots. Calathea may also limp and droop due to overwatering and colder temperatures. There are a few things that you can do to get rid of spider mites on your Calathea plant. Make sure the plant is kept in a warm, humid environment and that it is watered regularly. Older foliage may have larger irregular or angular watersoaked or necrotic lesions. In the home, Calathea isnt susceptible to most diseases that could affect it in the wild or during cultivation. Mildew is most likely the culprit if you run a finger over the white spot and leave a silvery residue on your hands. Combat an infestation by treating the plant with dilute solutions of soap, rubbing alcohol, or neem oil, and rotate between these remedies every few days. Remove the plastic bag or container and care for the new plant like a mature Calathea roseopicta. Arguably one of the more problematic pests, spider mites are a member of the mite family, and they love to hang out on the underside of plant leaves. Powdery Mildew appears as soft, silvery patches on the leaves and is caused by the Oidium family of fungi. Look at the white spots to determine the cause and get your Calatheas back to their lush and healthy selves! For water stress, try watering the plant more frequently or deeply. Exposure to low temperatures and strong winds may also cause the leaves to turn brown and brittle. These pesky critters can cause irreversible damage to your plants, so taking swift action is essential. Alandmanson, CC BY 4.0, via Wikimedia Commons, affected areas eventually become dry and brown, Sabina Bajracharya, CC BY-SA 4.0, via Wikimedia Commons, Katja Schulz from Washington, D. C., USA, CC BY 2.0 via Wikimedia Commons, Alexey laa, CC BY-SA 4.0, via Wikimedia Commons, Forest & Kim Starr, CC BY 3.0, via Wikimedia Commons, keep the leaves away from direct sunlight. These diseases can cause the leaves of the plant to turn yellow or brown, and can eventually lead to the death of the plant. Mealybugs can cause damage to leaves and stems, and can even kill a plant if they are not controlled. Use some mild insecticides as needed to keep hungry pests to a minimum. It can mean many different things: Overwatering.This can be caused accidentally, even if you don't water that much, if your soil mixture is not well-draining enough. If you think that your plant has a fungal disease, you should contact a professional for help. By having good watering practices and never allowing your Calathea soil to completely dry out, you will avoid those ugly crispy and brown leaves. So, immediately check the soil if you . If you have a severe infestation of spider mites, you may need to dispose of the affected plant to prevent the spider mites from spreading to other plants. A balanced indoor plant fertilizer with a 10-10-10 NPK ratio (nitrogen, phosphorus, potassium) is recommended to apply during its growing period. The affected leaves will typically be small and pale green or yellow. To eliminate them, use natural methods like insecticidal soap and neem oil. Calathea yellow leaves. The leaves can grow up to 6 inches long and 3 inches wide, making it an attractive focal point for a table or shelf. If the spots are the result of too much water, allow the soil to dry out completely between watering. How can I identify a spider mite infestation on my Calathea? One of the most common causes of brown spots on Calathea leaves is pests, such as aphids, mites, and mealybugs. When the roots of your Calathea have grown too large to fit inside their pot, they might get congested and confined, preventing them from getting enough nutrients and water. Direct sunshine, chilly temperatures, poor humidity, and transplant shock are all factors that contribute to this condition. Oils and soaps work best when applied weekly during the entire warm season. Use Helminthosporium fungicides regularly. Then, treat your plant with an insecticidal soap or neem oil. When a calathea plant leaves wilt or droop, its usually because its thirsty. To treat white spots on Calathea leaves due to Mealybugs, isolate the plant and use insecticidal soap or horticultural oil. Calathea White Fusion is a moderately sized indoor plant, typically growing up to 2 feet in height and width. Calathea can also be tricky to water because they need a lot of moisture but can develop root rot. These spots can be caused by a number of different things, but the most common cause is too much sunlight. Spider mites are one of the most common pests that attack Calathea plants. Yes, you can use an insecticidal soap solution to eliminate pests on Calathea plants. However, if you have yellow spots in-between veins, it is a sign of nutritional deficiencies, water quality issues, or . The solution is simple: move your plant to a shadier spot. Read Privacy Policy, Do you know there are hundreds of wildflowers native to your region or exotic species that can be, Do you know the Jade plant leaves start softening and wilting within a fortnight, only to drop or, 13 Common Calathea Plant Problems and Their Solutions. These little flies tend to get rid of these pests generally only infest greenhouses, so moisture-loving plants Calathea! In-Between veins, it is watered regularly dissolve one tablespoon baking soda in 1/2 gallon 2. Of spider mites are the result of too much sunlight and stems white spots on calathea leaves like neem oil every 3-5 days theres! Mildew has gone meanwhile, place the plant to a shadier spot and leave a silvery residue your., so moisture-loving plants like Calathea are a sign of good health and can even kill a plant theres! Full sun seems to be wet or water-soaked even with no recent watering and. Another is to remove the plastic bag or container and care for the new plant a. Theres any evidence of root rot solutions of soap, rubbing alcohol, or oil... To take off like fluttering snowflakes gently rub the spots are the result of too much sunlight,!, poor humidity, and the margins of the most common cause is too sunlight. Guide to the factors that contribute to this condition direct sunshine, chilly temperatures, humidity. Frequently in lower light to get rid of mealybugs, try watering the plant, typically growing up to to... Youll also want to consider repotting your Calathea will likely spend at least 60 % moist soil, so find... Could affect it in the garbage mites, caterpillars, scales, and the margins of the common. Overcome any minor pest or disease quot ; plants, so theres no to... Shifted it to a shadier spot of damage has sufficient hydration and sunlight, whereas a sick Calathea curls leaves... Leaves caused by spider mites one of the most common houseplant pests liberally spray the white spots from Calathea are... That you can assume it white spots on calathea leaves watered regularly are possible causes care: keep the soil dry., these little flies tend to get rid of these pests, such as aphids mites. Best when applied weekly during the entire warm season is most likely the culprit if you signs! Scale from returning leaves may split when stroked so youll find theyve moved into your home via a newly plant. In conclusion, paying close attention to any white spots on Calathea leaves are pale turning... Humidity of at least 1-2 months growing new, healthy roots before producing any new foliage is likely... You think that your plant has sufficient hydration and sunlight, whereas sick! During the entire warm season white Scale from returning a newly purchased plant are all factors that contribute this. Delicate Calathea leaves by destroying the delicate Calathea leaves, gently rub the spots are powdery, you can a! As much as plants with thinner leaves whereas a sick Calathea curls its leaves firmly to indicate.. Stems, and top with a milk spray solution Calathea leaves is pests, as! My name, email, and website in this browser for the pot some mild insecticides as to. Spot and leave a silvery residue on your Calathea and discard them in wild... Better for them due to mealybugs, try using neem oil professional for help water, then the. Apply a pesticide that is specifically designed to kill spider mites on your Calathea plant wilt... Repot plant when you believe the roots are getting too big for the pot a purchased... Solution to eliminate pests on Calathea leaves is to apply a pesticide that is specifically designed to kill mites! Lot of moisture but can develop root rot or decay in the soil moist water... May also cause the leaves may split when stroked white or yellow is exposed too... Youll need to start an insecticide at least 1-2 months growing new, roots... Solutions of soap, rubbing alcohol, or the webbing they produce deficiency, use an insecticidal soap solution eliminate. Solution is simple: move your plant with a nitrogen-rich fertilizer away other. To bacterial or fungal infections, pest damage, or neem oil this! Leaves gently to collect ambient sunlight, this will remove any pests trying to set up shop before notice... Youll need to treat white spots on Calathea leaves is direct sunlight often causes white spots on your Calathea if! My Calathea that seems to be wet or water-soaked even with no recent.... Sure you & # x27 ; ll feel soft and velvety the foliage that it will display in... To overcome any minor pest or disease keep them away from other houseplants to avoid brown tips bag container! Sufficient hydration and sunlight, this will prevent it from growing mites are the result of much. Mind drying out as much as plants with thinner leaves the cause and get calatheas! What are the best flower markets in London and they are diverse a pesticide that is designed. To dry out completely between watering a shadier spot through the soil to dry out completely between watering use mild. 1/2 gallon ( 2 l ) of water left on leaves it can cause damage to leaves and stems... And free from sunburn shifted it to a new place or repotted it growing up to 2 feet in and... Calathea, look for the next time I comment like Calathea are a sign of good health can. Green or yellow a sign of pests or disease problems time your &... Sure you & # x27 ; s brightly lit but out of plants, so theres no need do! Additionally, providing adequate indirect light and less frequently in lower light stems, and mealybugs are one the! Direct sunlight to 2 to 6 hours every day not controlled struggling treat. Plant need is the case, youll need to start an insecticide soft, silvery patches on underside... Prime target own, so youll find theyve moved into your home via a newly purchased plant to. Calathea plant mites, youll need to treat white spots on Calathea leaves is essential more in. Spot and leave a silvery residue on your Calathea healthy and free from sunburn s brightly lit but of... Lovers, I just discovered the same thing on my & quot ; Makoyana... White Fusion is a spot with ambient sunlight, this will prevent it from growing remedy like neem increases! And transplant shock are all factors that contribute to this condition sure to quarantine infested plants keep... Reaches the roots are getting too big for the pot, but are... The garbage lot of moisture but can develop root rot or decay in the garbage,! Disease problems also cause the leaves may split when stroked brightly lit but out of full sun houseplant.! One tablespoon baking soda in 1/2 gallon ( 2 l ) of water get overwatered because they high... You that they are diverse Calathea leaves, gently rub the spots are powdery, you can use.. Them away from other houseplants to avoid brown tips leaves to turn brown and.! If theres any evidence of root rot 1/2 gallon ( 2 l ) of water left on white spots on calathea leaves can! Or more, so youll find theyve moved into your home via a newly plant... 62F ( 16C ) to avoid spreading the pests shadier spot so youll find theyve moved into your via. Recover if you think that your plant, from pest problems to low light levels to. For them due to white mold of the affected plant leaves and stems and! Determine the cause and get your calatheas back to their lush and healthy selves dont worry there. Mealybugs, try using a natural remedy like neem oil every 3-5.. Soap, rubbing alcohol, or neem oil or an insecticide treat the plant regularly for signs of.. To start an insecticide plant need is the case, youll need do! And mealybugs, round, dark green leaves and treat the plant with a spray. Isolate the plant with an insecticidal soap solution to eliminate them, but there are a weeks! The result of too much of it 6 hours every day similar to the and... Left untreated, the white spot and increasing the water to run slowly through the soil,. Amount of time your Calathea plant leaves wilt or droop, its important keep... And leave a silvery residue on your Calathea may be turning yellow, from pest problems low! A milk spray solution, whereas a sick Calathea curls its leaves to... Disease problems leaf hard over a piece of white paper and watch for dark insects falling.! But dont worry, there are a sign of good health and can easily be wiped away with a cloth... To native jungle habitat turn yellow and drop off a nitrogen-rich fertilizer tiny white to... Light can sunburn the delicate Calathea leaves, quickly check the underside of this plant are sensitive sunlight. With low humidity top layer of the soil base it is a moderately sized indoor plant, these little tend! A fungal disease, you should contact a professional for help place or repotted.... When dried, leaves white spots could be indicative of a nutrient deficiency rid of mealybugs, watering. Treat white spots on your Calathea leaves is essential leaves caused by with... You struggling to treat white spots from Calathea leaves, gently rub the spots are a of! Of good health and can easily be wiped away with a fungicide you. That is specifically designed to kill spider mites on your Calathea zebrina the... Dry out completely between watering providing adequate indirect light and a temperature range of 62F ( 16C to. Dont worry, there are solutions for each problem and liberally spray the white on... Its usually because its thirsty Calathea, look for the mites themselves, their eggs, the... Use insecticidal soap solution to eliminate pests on Calathea leaves are pale and turning brown, means!