Why Is My Monstera Peru Turning Yellow? Top Causes and Solutions

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Monstera Peru leaves turning yellow can be attributed to several factors that impact the health and appearance of the plant. These factors typically include overwatering, inadequate light exposure, pest infestations, and natural life cycles. Recognizing and addressing these issues is vital to ensure the continued growth and vibrancy of the Monstera Peru.

Common Causes of Yellowing Leaves


One reason for yellow leaves on Monstera Peru plants is over-watering. Excessive watering can result in “wet feet,” causing the leaves to turn yellow and possibly leading to root rot. To avoid this, allow the soil to dry out slightly between waterings and ensure that 50-75% of the soil volume is dry before watering again.


Under-watering can also cause Monstera Peru leaves to turn yellow. Lack of moisture and insufficient nutrients reaching the leaves can lead to yellowing and wilting. Correcting the watering schedule and providing adequate moisture should help restore the leaves’ health, though heavily yellowed leaves may not regain their original color.

Lack of Nutrients

Yellowing can occur when a Monstera Peru does not receive enough nutrients. Checking the soil’s quality and providing a balanced fertilizer, if necessary, can help address this issue. Also, ensure that the plant is receiving proper care according to its specific nutrient requirements.

Inadequate Light

Monstera Peru plants prefer bright, indirect light. Insufficient light can cause the leaves to turn yellow, while too much direct sunlight can also damage the plant. Adjusting the plant’s location to provide the right balance of light can prevent further yellowing of the leaves.

Environmental Factors

Temperature Changes

Monstera Peru plants prefer stable temperature conditions, typically between 65°F and 80°F (18°C to 27°C). Sudden temperature fluctuations or exposure to extreme temperatures can stress the plant, leading to yellowing leaves.

Humidity Issues

These tropical plants thrive in high humidity environments, with the ideal humidity range being around 60-80%. When the humidity drops below this level or fluctuates significantly, Monstera Peru may experience stress, which can manifest in yellowing leaves. To maintain optimal humidity, consider using a humidifier or placing the plant on a pebble tray filled with water, ensuring the pot does not sit directly in the water to avoid overwatering.

Pest Issues

Yellowing monstera peru leaves may be attributed to various pest infestations. In this section, we will discuss three common pests that could cause this issue: Spider Mites, Aphids, and Mealybugs.

Spider Mites

Spider mites are tiny pests that feed on monstera peru leaves, causing them to turn yellow and eventually wither. Detecting these mites can be difficult due to their small size. Spraying your plant with a mild soap solution can help control the infestation.


Aphids are another common pest that can cause monstera peru leaves to turn yellow. These insects suck the sap from the leaves, causing discoloration and wilt. To address an aphid infestation, consider using insecticidal soap or neem oil, which can effectively eliminate the pests.


Mealybugs are soft-bodied insects that appear as small, white, cottony masses on monstera peru leaves. They can cause yellowing and wilting of leaves by sucking the plant’s nutrients. Remove visible mealybugs with a cotton swab dipped in alcohol, and implement a preventive care routine involving regular plant checkups and maintaining a clean growth environment.

How to Save Your Monstera Peru

Recognizing and addressing the causes of yellowing leaves in your Monstera Peru can help you save the plant and promote its overall health. The following subsections, including Watering Techniques, Fertilizing Tips, and Pest Management, will provide guidance on properly caring for your Monstera Peru.

Watering Techniques

Ensure proper watering by allowing the top few inches of soil to dry out before watering again. Monstera Perus prefer to be slightly dry between waterings, so avoid letting the soil become soggy. Monitor the soil’s moisture level to find the right balance for your plant.

Fertilizing Tips

Providing adequate nutrients is crucial for your Monstera Peru’s health. Use a balanced, slow-release fertilizer during the growing season (spring and summer). Be cautious not to over-fertilize, as this can harm your plant and cause leaf issues such as yellowing.

Pest Management

Inspect your Monstera Peru regularly for any signs of pests, as infestations can lead to yellowing leaves. If you identify pests, treat them with appropriate insecticides or natural methods, depending on the severity of the infestation. Maintaining a clean environment and proper plant care will help prevent most pest problems.

Preventive Measures

Proper Care Routine

To prevent Monstera Peru leaves from turning yellow, ensure you establish a consistent watering schedule. Avoid overwatering, as this can lead to yellowing leaves. Ensure the soil has good drainage to prevent waterlogged conditions, and use a well-aerated potting mix suitable for indoor plants.

Placement Considerations

Monstera Peru thrives in bright, indirect sunlight. Therefore, place your plant near a window that receives filtered light, ensuring that it is not exposed to direct sunlight. This will prevent the leaves from turning yellow and developing burnt black marks. It’s crucial to maintain a temperature range of 60-85 degrees Fahrenheit for healthy growth, as extreme temperatures can also cause yellowing leaves.