Causes Of CALATHEA MEDALLION BROWN And YELLOW Leaves Edges With Its Solutions


Calathea medallion is one of those beautiful plants which can add a lot of beauty to your home. Be that as it may, it likewise needs a great care for growth and propagation. Its huge peacock pattern leaves are an extraordinary attraction for any individual who likes to have plants in his home. However, on the off chance that you can’t deal with it appropriately, then, at that point, a ton of problems can happen. One of the fundamental problems with Calathea medallion is the brown and yellow leaves’ edges.

Without a doubt, having brown and yellow tips on your Calathea medallion leaves is not an extraordinary inclination. Yet, it can happen in the event that you don’t know about your plant’s needs. The most well-known reason for Calathea medallion brown and yellow leaves’ corners or spots is pests. In any case, other than this unseemly and impure water supply, improper fertilizer and moisture issues can likewise bring about the brown and yellowing of Calathea medallion leaves.

The most well-known method for disposing of this issue is pruning. You can dispose of your Calathea medallion’s brown and yellow edges by removing them in a legitimate way. Yet, ensure you recognize the issue prior to following the pruning system. In this way, you can keep it from reoccurring.

Here are the most well-known ways of recognizing the causes behind the brown and yellowing of Calathea medallion leaves.

Check Water Quality And Quantity

Many people don’t know that a large portion of the issues of a plant is because of water quality and quantity. Overwatering, underwatering, and water quality are three components of it.

Calathea Medallion Care Requirements Parameters
Light Requirement Indirect or filtered light
Temperature Requirement 65°F to 85F°
Soil Requirement Mixture of Peat, Coco coir, perlite and pumice
Water Requirement Pure Water or Rain Water
Fertilizer Requirement Mixture of seasol fish emulsion, liquid fertilizer or compost fertilizers like worm castings
Humidity Requirement High humidity (60% or higher humidity)
Height and Width 4-6 feet in height & 2 feet in width
Toxicity It is not toxic for pets and humans (Pet-friendly Plant)
Common Name Calathea Medallion
Scientific Name Calathea Veitchiana
Family Marantacea

Presently how about we check how to recognize every one of these issues and see potential answers for them?

Overwatering Of Calathea Medallion Leaves

You should realize how much water your plant needs since giving more water than your plant needs can create problems. Generally speaking, additional water is utilized to stop up the space and routes in the plant’s dirt. It in the end prompted the diminished oxygen supply to roots prompting the brown and yellowing of leaves. It is normal among individuals to overwater Calathea medallion leaves since they consider them tropical water-requiring plants which are valid.

Calathea Medallion problems you can face
Calathea Medallion Problems Main Causes

Yet, generally alone, overwatering can’t bring about brown and yellowing of your Calathea medallion leaves except if your pot has a poor channel framework or its size is bigger than the standard prerequisite. Other than this, poor light availability can likewise cause it. It is important that you check these things first. Thus, you don’t need to deal with this issue of brown and yellowing of Clathea medallion leaves.

You can stay away from this issue by following these steps:

  • Get a pot that has a decent framework for drainage holes. Thus, you can stay away from conditions like waterlogging.
  • Continuously water the plant when your upper 5cm is dry. Ensure you check the upper layer by contacting it with your fingers.
  • Keep your plant in indirect sunlight so it can develop well.

Underwatering Of Calathea Medallion Leaves

It is not normal for any individual to underwater Calathea medallion. In any case, in the event that you are in such a condition, you will initially see the twisting of leaves coming about because of low water availability. The plant would rather not lose more water by happening, so it will begin twisting its leaves. In any case, you can keep away from this issue by following these means.

  • Check the top 5cm of your dirt. In the event that it is dry, your plant requires water.
  • Most pots can’t hold moisture. For this issue, you can utilize plastic ports which can keep a lot of moisture as long as possible.
  • You can add a little layer of pebbles or little stones to the base side of the port. This will make a drainage region, likewise adding moisture for leaves in the encompassing region.
  • You can utilize great soil mixes and items to hold moisture.

Compromise Quality Water Utilization

Improper Water Quality can turn Calathea Medallion Leaves Edges Brown and yellow

Calathea medallion care and spread is not simple work. It requires unadulterated water for this reason. In any case, on the off chance that you can’t supply it. Then sometime you will deal with problems. For the most part Calathea medallion leaves become brown and yellow when individuals compromise on water quality.

Calathea Medallion Growth and Propagation Guide

However, you can keep away from this issue by utilizing rainwater or bubbled water since rainwater and bubbled water is unadulterated in their substance. Calathea medallion brown and yellow tips can be the consequence of hard water or impure water. It doesn’t make any difference whether your water quantity is okay or the pot got a decent drainage framework. Unless the water supply is pure rest will take care of itself. 

Check The Overexposure To Sunlight

Notably, the Calathea medallion is a tropical plant where it requires a lot of light for growth and development. The vast majority commit an error by putting it under direct sunlight, which is off-base. It doesn’t develop well under direct sunlight. Calathea medallion leaves can become brown and yellow because of overexposure to sunlight.

You can distinguish overexposure to sunlight by checking the moisture content in the soil. If your moisture gets dry speedier than expected, something is off-base. To take well care of your Calthea medallion. You want to ensure you place it under indirect sunlight. You can do it by setting a straightforward safeguard over it, placing it in a nursery or putting it at the shut window. A nursery is a brilliant choice since plants in a nearby climate will quite often make a framework. In a nearby framework, plants can oversee temperature and dampness, which are fundamental for legitimate development and proliferation.

Keep Your Calathea Medallion At A Fix Place

Sometimes new plant owners keep shifting their Calathea medallion from one place to another and it put their plant in a state of transplant shock. It disturbs its day and night dance movements and also led to leave problems.

Check The Humidity Level For Your Calathea Medallion

Calathea medallion are tropical plants, and they require an elevated degree of humidity. Essentially, it needs over half to 60% of humidity to show ideal development. Its leaves can become brown and yellow when humidity is below the necessary level. You can handle this issue briefly by showering water on your plant or misting it. However, it is only an impermanent arrangement.

On the off chance that you need that your Calathea medallion leaves don’t become brown and yellow. Then, at that point, you want to ensure that the humidity level around it stays above 60%. It very well may be finished in different ways. The two most normal techniques are the utilization of a humidifier and a stone plate.

  1. A humidifier misleadingly can change the humidity level of your plant. Nobody like that their Calathea medallion peacock pattern sparkling leaves turn brown and yellow. In this way, it is something typical to have a humidifier for your plants.
  2. Many individuals likewise put their Calathea medallion on top of a plate of wet pebbles. This plate is additionally called a stone plate. Satisfying required states of high humidity is generally utilized. Since the entire day water continues to vanish and keep the leaves solid.

Keep A Check On The Temperature Level

It is something typical that without an ideal temperature Calathea medallion can’t show great development. To get a decent degree of development, you want to keep a temperature between 65°F to 85°F. Be that as it may, on the off chance that the temperature is not ideal then it is normal for Calathea medallion leaves to become brown and yellow. It doesn’t occur in the evening. All things considered, it happens over the long run when you constantly disregard the temperature. Then, at that point, leaves begin to get harmed.

Calathea Medallion

There are months and seasons when you want to keep a unique check on the temperature. In summer and winter, when the temperature is either excessively warm or excessively cool, almost certainly, on your Calathea medallion brown and yellow edges will show up. You can stay away from it by putting your plants perfectly positioned at the appropriate time. In winter, you can utilize a nursery, a little nursery, or a nearby constructed spot to save your plant.

In summer, you want to guarantee that it doesn’t get too warm around your Calathea medallion. You can do it by putting Calathea medallion indoors. In any case, when you place your plant indoors, ensure that you set it aside from the washing sites and cooled rooms because such places can disturb the temperature level of your plant.

Keep a Check on Your Fertilizer Usage

It is not exceptionally normal for individuals to will quite often involve some unacceptable fertilizers for Calathea medallion. In carelessness applying some unacceptable fertilizer or some unacceptable mix of fertilizer can harm your plant leaves. The vast majority use fertilizer on 6 month period or quarterly basis.

The most well-known issue that causes the brown and yellowing of Calathea medallion leaves happens because of additional fertilizer utilization. Fertilizer contains salt, and abuse can suck out water, harming the plant stem and bringing about the brown and yellowing of leaves. It is the most considered normal manner by which fertilizer can make Calathea medallion leaves brown and yellow. You can avoid this issue by following these recommendations.

  • Make sure to choose a balanced fertilizer that can fulfill all required conditions.
  • When you are applying to feed, make sure to give a good soaking to avoid excess mineral makeup, which can cause browning and yellowing of your plant leaves.
  • Apply fertilizer a few centimeters far away from the roots of plants.
  • Make sure you use the nitrogen-rich fertilizer according to your required needs.

Keep An Eye Out For Pests Around Calathea Medallion Brown And Yellow Edges 

In many scenarios, all requirements for Calathea medallion growth are under optimum conditions. But still, leaves get damaged. In such a situation when your plant leaves are getting damaged, you need to check your plant because small pests probably invade it. It is common for Calathea medallion to have brown and yellow under leaves when the case pests are a concern.

You need to keep constant surveillance on your Calathea medallion in pest season. If you care for the beautiful shiny peacock pattern leaves of your plant, you need to look out for these guests.

Spider Mites

They like to invade the Calathea medallion from the underside. Spider mites are the common reason for turning leaves brown and yellow from the underside. It is better if you keep a special check on your plant in winter. If your plant is invaded by and you don’t have anything then it is recommended that you mix 3 tablespoons of dish soap with a gallon of water to get rid of spider mites. You can spray it on your plant weekly if it seems necessary.

Gnats of Fungus

They are most likely to grow in moist places or places with a high level of humidity. It is one common thing with Calathea medallion, enough to turn your plants’ shiny leaves brown and yellow. You need to look after your plant. Gnats of fungus are dangerous at the larval stage, so look after them if you don’t want to turn your leaves brown and yellow.


The Coccus hesperidum also known as brown scale, is the most common type of pest that you will find as the culprit. They mostly are found on the underside of leaves where they infest your plant, leaving a brown and yellow sap with the damaged plant. There can be a case facing you where you see that your Calathea medallion leaves are being infested by them and they are turning brown and yellow. The most effective and safest method to control them is with a horticultural oil spray. Such insecticide contains oil; when sprayed on the scale they block their breathing pores, allowing you to get rid of them.


These are the worst of all pests as far Calathea medallion is concerned. They primarily feed on plant juices and greenhouse tropical plants. You need to check the underside of your Calathea medallion leaves if you want to keep them in good condition. Otherwise, minor negligence can turn them brown and yellow. You can get rid of mealybugs by mixing water, with 1 teaspoon of neem oil, and 3 drops of liquid dish soap in a bottle that can be sprayed.

These pests can be a common cause of the brown and yellowing of Calathea medallion leaves. But there is no such issue that cannot be resolved. The only thing you can do is keep a good eye on such invaders and keep them away from your plant.


Calathea medallion indeed is one of those plants which can add a great deal of beauty to your house. Its shiny silver leaves are a great attraction. But on the other side, it is also complicated to take care of it, unless you provide it with the optimum environment. Calathea medallion brown and yellow edges only appear when you are not taking good care of their leaves. Pests, temperature, humidity, and water all can be causes of it. But the best action you can do now is to make a checklist of all these things and keep surveillance over your plant.

Leave a Comment