This can also cause the plant to droop. (And Solutions). You will find wet-brown spots on leaves. To treat disease or mold, you should cut off the infected leaves. DON’T let it rest in full sun, or you will get some brown spots on the leaves, it happened to me and it’s so sad. A rare, tropical plant characterized by its almost-black, heart-shaped leaves, accented by entrancing silver veins. Purple/brownish leaves underside is just a variety you have, mine is alocasia wentii and has very same, cheers . While quite striking, these plants can be quite sensitive, especially to over-watering. It produces tiny round lesions on the ornamental leaves that may ooze fluid and turn purple or yellow when dry. Misting is normally enough to ensure the Alocasia leaves maintain their glossy appearance. White Spots on Money Tree (Causes And How to Fix It). So, if you notice brown spots on your Alocasia plant, especially during the winter season, the most likely cause is low humidity. If your Alocasia plant is exposed to too much sunlight, it may become beached, scorched, and limb, leading to the appearance of brown spots. Problem: Brown patches on the leaves. The more often you cut off the brown part, the more often it will turn brown. m. 'Black Stem' pup - 1 nice leaf. Signs that your Alocasia plant is exposed to too much light include the presence of yellow leaves, even pale leaves, and brown spots on the tip of the leaves. Alocasia Polly is not a fan of direct sunlight. I have a tiny dancer Alocasia plant with small brown spots on one leaf. Rust is caused by a lack of sunlight, high humidity, and warmth. Edit: also, I wouldn’t cut these leaves off the plant because they are still functioning! My name’s Arifur and I am an Agriculturist. Your Alocasia Polly prefers a spot with ample humidity. To resolve this growing issue, mist the large tropical leaves daily and wipe with a damp cloth once a week. 3. As the name suggests, rust causes red or brown rust-colored spots on the underside of the leaves and pale spots on the topside. The solution to this problem is lowering plant exposure of light to the recommended level. It is widely available as a houseplant and is popular because of its striking foliage, with dramatically shaped leaves that are deep green to greenish black, contrasting with prominent white veins. Too much light usually caused by direct sunlight, or moving the plant from a dark to very bright spot too quickly. Try using distilled water instead of tap water to see if that makes a difference. The plant has produced 2 new leaves so it is still alive but is an old leaf meant to die everytime a new leaf is born? If the root is not in good shape, a brown spot will start forming on the leaves. So to find the reason, you have to look at the plant thoroughly. These diseases usually appear as dark brown or black spots on the leaves, surrounded by a yellowish rim. Overwatering, low humidity, temperature stress make the plant vulnerable to diseases and pests. The usual causes for brown tips on the leaves of houseplants are dry air, or flouride in tap water that's used for watering. If not treated, anthracnose leads to discoloration, yellowing and premature dropping of the alocasia’s leaves. This means ensuring that the soil is not too dry or too wet. If you suspect your alocasia is infected with rust, wipe the suspicious foliage with a white cloth. Spotting of the lower surface of the leaves. Again, monitor the amount of frequency of watering your plant. Since anthracnose is a fungal disease, good air circulation and watering methods will go a long way to keeping the fungus at bay. Brown or yellow patches on the leaves can indicate too much light, especially direct sun. Alocasia elephant ear plants develop brown tips or spots if they lack humidity. This plant will thrive if given frequent, lukewarm showers either in the actual shower or use the spray attachment near your sink. It can cause swelling and irritation in the mouth and the GI tract, and it can also cause severe breathing problems. Besides keeping your house to a certain humidity level during the winter season, the humidifier can also create a humid environment for your Alocasia plant. The best way to know if your Alocasia plant does not receive enough water is by checking the condition of the soil. Curated information on how to best care for your Red Secret Alocasia. Rust in Alocasia mainly thrives in damp conditions. One Pilea peperomioides problem is that the leaves get white spots on the lower side. Keeping it dry and maybe adding some chemicals to keep the bugs away can help Light is one of the most crucial factors needed for the growth and wellbeing of your Alocasia plant. Cause: If house plants have yellow leaves, this is usually due to incorrect watering. If your plant is suffering from too much water, stop adding plant food and fertilizer until the plant recovers fully. Pests such as mealybugs can cause massive damage to the leaves, leaving brown spots throughout the leaf. These red spots can lead to a misidentification of rust. ), so keeping a regular watering schedule is key. Could you please show me the overall space where this plant lives? A diluted liquid fertilizer (mixed with water in your watering can) can be added to the soil around once a month to feed your Alocasia, but only while the plant is still growing. Amanda Flanigan began writing professionally in 2007. Anthracnose can infect a wide range of plant species from perennials such as alocasias to trees and crops. Brown spots on leaves are caused by many diseases. Learn all about Red Secret Alocasia basic care, propagation, repotting, and any common issues you might run into. Brown Spots on the Leaves. Another has recently yellowed all the way down the stem and I’ve since removed that one. You can also take the plant away from direct sunlight so that it only gets indirect light that is not damaging. The leaves’ shape is almost heart-shaped but a bit elongated. Please let me know if this helps or you have any other questions. When looking at a tree or shrub and seeing any spots on the plant, the usual culprit is fungal. Flanigan has written for various publications, including WV Living and American Craft Council, and has published several eBooks on craft and garden-related subjects. Also, keep the plant out of direct sunlight until their roof fully recovers. Brown spots on the Alocasia are also caused by applying too much fertilizer or using the wrong fertilizer. can develop unsightly rust spots on their leaves. Another great way to raise the humidity around the Alocasia plant is by putting cups, bowls, or any other container around the plant. Since it is a tropical plant, Alocasia thrives in a humid environment. Dead and decaying plant matter provides a food source for fungus that can harm your plants. Temperature stress in plants is divided into three categories depending on the stressor. Search. Refrain from wetting the leaves when watering and always remove fallen leaves, branches and other plant debris from under the alocasias. In extreme cases, the leaves dry up completely, or the plant experiences decreased bud development. Alocasia Zebrina likes soil moisture, but they are easy to overwater and susceptible to root rot. Money Tree is famous for its tale of bringing fortune and wealth into a household. A variety of diseases including crown, stem, and root rot, Leaf Spot, and Xanthamonas are particularly common with alocasia plants. If yes, count yourself lucky because you have landed in the right place. Therefore, it is recommended that you avoid overwatering your Alocasia plant. As soon as you see plant leaf spots, treatment begins. If the cloth stains pink or orange, you are probably dealing with rust. That may well have occurred during the repotting that was not actually necessary. Black spots can spread to the whole leaf and can cause serious damage. Anthracnose is a group of fungal diseases that causes dark, sunken lesions on leaves and stems. 25% off our General Care eBook! Downy mildew occurs in cold and humid conditions while powdery mildew occurs when the plant’s soil is too dry. If you don’t give it adequate water, brown spots will appear, and with time the entire leaf will wither and die. Instead, use drip irrigation or a soaker hose to keep water off the foliage. Plants must be free of brown spots and brown leaf edges, often caused by insufficient humidity and/or the potting soil being too dry. Brown spots can appear on alocasia leaves if the air is too dry. You should keep your leave friend in a shaded spot. In addition, anthracnose may result in black cankers developing on stems. Maintain a regular watering schedule and keep the soil of your Alocasia Purple Sword moist, but not wet or saturated. Discussion in 'Araceae' started by m2urray, Feb 1, 2008. m2urray Member. The elephant ear-shaped leaves hang at the end of slender stems and may start to droop when the plants receive unsubstantial amounts of water or lights. I water it regularly , maybe too often? Growing Aroids: Philodendron's, Monstera's, Anthurium's and Alocasia's. Despite being notoriously demanding, the Fiddle Leaf Fig remains one of the most loved indoor plants and this trend is not going anywhere any time soon. Never over water the plant, which leads to root rot and increases the chance of future fungal diseases. Please don’t spread any insecticide that you come across. After completing my bachelor of science in agriculture, I'm serving as a civil service officer at the Department of Agricultural Extension, Bangladesh. Besides exposure to excess light and fertilizer can also cause the … can develop unsightly rust spots on their leaves. Of course, you may wonder how rot is associated with brown spots on the leaves. So, when you notice that some leaves on the plant have been affected, prune or pick them immediately to prevent the disease from spreading. Aphids specifically can suck sap from plant tissues and create spotting and browning of leaves. An Alocasia plant, native to Asia, is also called an Elephant Ear plant or African Mask plant because of their very large, glossy, heart-shaped leaves with wavy edges. You will know your Alocasia plant has fully recovered when the plant leaves turn green and the soil is not too hard or too moist. This is a fungal disease that affects all types of plants, including Alocasias. Also, ensure that the soil has the right moisture. If the spots are black or dark brown along with yellow rings around the spots, then it might be because of fungal or bacterial infection. These spots … Powdery mildew is the most common type of mildew that attacks the Alocasia plant. Alocasia plant is a tropical plant, meaning that it thrives in a humid environment. Plant Care Plant Care Guides Detailed care information for a wide range of houseplants to help you learn more about their individual needs. Diseases can be prevented by avoiding over-watering, keeping the leaves dry, and providing proper air circulation around and near the plant. Besides exposure to excess light and fertilizer can also cause the alocasia leaves to develop brown spots. Root or stem rot can occur sometimes. Plant your black velvet in a light aerated potting medium and keep it in indirect sunlight. Like many people, I was seduced by the dark green, glossy leaves with sharply contrasting veins, as well as by the striking shape and form of the leaves. Likewise, during the summer season, water the plant to prevent the soil from drying. However, too much sunlight is harmful for alocasia because it creates potentially damaging free radicals that may absorb too much energy than what the plant can handle, thus generating reactive species of oxygen that could destroy the plant. Always water in the morning to allow the plant to dry out before the sunsets. Furthermore, keep the area under the alocasias clean by regularly removing dead and decaying plant matter. This is the first action to take to prevent the disease from spreading to other plants. Root rot is a type of fungal infection that affects the root of the Alocasia plant. Mildew can slow down the growth of your Alocasia plant and if the infection is severe enough, the plant may die. (And Solutions). Other insects such as scales, leafhoppers, aphids, and true bugs usually attack the leaves of Alocasia causing stripling or spotting of foliage and leaf curling. Alocasia is sensitive to cold. Plants must be free of brown spots and brown leaf edges, often caused by insufficient humidity and/or the potting soil being too dry. Moisture around the plant will increase as water in the tray evaporates. One of the best ways to get rid of black spots on your Alocasia is to cut all infected parts to prevent further spread. Brown and black spots surrounded by a yellowish rim on the leaves of an Alocasia plant can be the result of a variety of diseases like Root Rot, Crown Stem, Xanthomonas, and Leaf Spot. The plant develops spots on the leaves at temperatures below 12-15°C. One of the most effective ways of raising humidity around the plant is by misting the plant as often as you can. Symptom - edges of the large leaves are turning yellow. Brown spots on the edge of a leaf are typically due to dehydration, while brown spots in the center are usually signs of disease or mold. Search for: Close search. The Alocasia zebrina isn’t a drought-tolerant plant, however: its leaves turn brown and crispy in dry conditions. During the winter season, water the plant early in the morning, to give it enough time to dry before the day ends. Hi! If you overwater your Alocasia, it’s possible that it will develop root rot or a fungal infection. For instance, if your spot mealybugs on the Alocasia plant, treat by removing the pest with an alcohol-soaked cotton bud. So, have you realized that leaves in your Alocasia plant have brown spots and wondering what caused it and what to do to eliminate them? Direct summer sunlight should generally be avoided as this will cause the leaves to burn. When the fungus is in full bloom, there is also fuzzy growth. These plants grow in U.S. Department of Agricultural hardiness zones 10 through 15, but can also grow indoors as houseplants. Plant Parent. Misting the plant will expose the soil and leaves to water particles that will evaporate, thus raising humidity around the plant. Your bathroom or kitchen are perfect spots for your Alocasia Polly because these areas tend to be more humid. California Poppy Pests & Disease Problems, University of California Agriculture and Natural Resources: Garden Bad Guys – Anthracnose, Harvest to Table: Vegetable Disease Problem Solver. Solution: Take your plant out of direct sunlight. Another has recently yellowed all the way down the stem and I’ve since removed that one. Brown edges on alocasia plant leaf My first thought is that the problem is being caused by too much plant food, too many chemicals in your water, or using water that has passed through a water softener and has too much salt in it. It may also be due to improper watering which is very easy to do after moving a plant to a larger pot. Then as they grow they develop brown dry spots. A lack of humidity often makes brown spots appear on Alocasia ‘Polly’ plant leaves. Very large yellow spots at the edges of the leaves indicate lack of water, but smaller yellow spots closer to the roots of the plants indicate too much water. I've taken the plant out of the pot and it looks good, slightly moist and no evidence of pests or disease. Small brown or black spots on the leaves starting from the older leaves are a possible result of overwatering and poor drainage. The first solution to this problem is ensuring that you apply the right amount of fertilizer. Proper spacing of pallets can also help to prevent rust. In this post, I will discuss the most common reasons why Alocasia leaves get brown spots and how to treat them. Pests common to an Alocasia Polly are mealy bugs, spider mites, and aphids. This looks like the insect pests like spider mites have gotten to it. Alocasia x amazonica care is not insurmountable by any means once you understand it. This means that light intensity in the west-facing window during winter months is different from sun intensity during the summer months. placed in a well-lit corner of the room, without direct sunlight You can remove the infected part of the leaves and increase air circulation to get rid of the fungal diseases. It’s important to place a sleeve around the plants in the cold months. Its long, pointed leaves are have white veins and scalloped edges outlined in white. Please let me know if this helps or you have any other questions. How to Treat Leaf Spot Fungus. Is it one of the bottom leaves? An overwatered Alocasia leaves often turn yellow and wilted. But regardless if it’s a rumor or reality, you can guarantee that a Money Tree can add vibrance and life into your... Why Are My Fiddle Leaf Fig Leaves Cracking? To prevent more brown, crispy patches on leaves, increase humidity by misting the arrowhead leaves daily. The goal here is to expose air to water. 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Extended period pest without harming the plant recovers fully fluid and turn purple or yellow patches on alocasias! Or moving the plant out of direct sunlight, or the plant fully... Alocasia elephant ear plants develop brown spots on the leaves and increase air circulation watering. Problem can be quite sensitive, especially direct sun to resolve this growing issue, mist the large tropical daily! And provides an exotic-looking houseplant an Alocasia houseplant before are perfect spots for your red Secret Alocasia care...