Updated: June 30, 2023

The paper plant, also known as pilea peperomioides or the Chinese money plant, is a popular houseplant due to its unique round leaves and easy care requirements. However, one common issue that many paper plant owners face is the curling of the leaves. This can be concerning for plant enthusiasts, as it may indicate an underlying problem. In this article, we will explore the various causes of paper plant leaves curling and how to address them.

Insufficient Light

One of the main reasons why paper plant leaves may curl is insufficient light. While the paper plant can tolerate low light conditions, it thrives best in bright, indirect sunlight. When placed in a location with inadequate light, the plant may try to maximize its exposure by curling its leaves towards the light source.

To remedy this issue, move your paper plant to a spot where it can receive bright, indirect sunlight for at least a few hours each day. Avoid placing it in direct sunlight as this can cause leaf burn. If natural light is limited in your space, consider using artificial grow lights to supplement the plant’s light requirements.

Overwatering

Overwatering is another common cause of leaf curl in paper plants. These plants prefer to be kept slightly on the drier side, with their soil drying out partially between waterings. When overwatered, the roots become waterlogged, leading to poor root health and impaired nutrient uptake. As a result, the leaves may start curling as an indicator of stress.

To prevent overwatering, allow the top inch or two of soil to dry out before watering your paper plant again. Ensure that the pot has proper drainage to avoid waterlogging. Additionally, adjust your watering frequency according to the season and environmental conditions. During winter or in cooler climates, the plant requires less water compared to warmer months or humid environments.

Underwatering

On the flip side, underwatering can also cause paper plant leaves to curl. When a plant doesn’t receive enough water, it goes into survival mode and conserves moisture by curling its leaves. The curling is an attempt to reduce surface area and minimize water loss through transpiration.

To remedy underwatering, ensure that you are watering your paper plant adequately. When watering, make sure to soak the soil thoroughly and allow any excess water to drain away. Monitor the moisture levels by sticking your finger into the soil – if it feels dry at a depth of an inch or two, it’s time to water the plant.

Temperature Extremes

Extreme temperatures can also lead to leaf curl in paper plants. These plants prefer average room temperatures between 60-75°F (15-24°C). Exposure to excessively hot or cold temperatures can cause stress and result in curled leaves.

To prevent temperature-related leaf curl, keep your paper plant away from drafty areas such as vents or windows during winter. Avoid placing it near heating or cooling sources that may create extreme temperature fluctuations. If you live in an area with high heat or cold, consider providing additional insulation or moving the plant to a more suitable location.

Pests and Diseases

Pests and diseases can cause significant stress to plants, leading to leaf curl as a defensive response. Spider mites and aphids are common pests that can infest paper plants. These pests suck the sap from the leaves, causing them to curl and distort.

Inspect your paper plant regularly for signs of pests such as webbing, small dots on the leaves, or sticky residue. If you notice any signs of infestation, isolate the affected plant and take appropriate measures to eradicate the pests. This may involve using insecticidal soaps, neem oil, or seeking professional help if the infestation is severe.

Additionally, certain diseases like powdery mildew or leaf spot can also cause leaf curl. These diseases are often fungal in nature and thrive in humid conditions. To prevent such diseases, ensure proper air circulation around the plant, avoid overcrowding, and maintain a moderate humidity level.

Nutrient Deficiencies

Nutrient deficiencies can manifest in various ways, including leaf curl. A lack of essential nutrients like nitrogen, potassium, or magnesium can lead to curled leaves and overall poor plant health.

To address nutrient deficiencies, consider using a balanced liquid fertilizer formulated for houseplants. Follow the instructions on the fertilizer packaging and apply it according to the recommended schedule. Additionally, ensure that your paper plant is planted in well-draining soil amended with organic matter to provide adequate nutrition.

In conclusion, curling leaves in paper plants can be caused by a variety of factors, including insufficient light, overwatering, underwatering, temperature extremes, pests and diseases, as well as nutrient deficiencies. By identifying the underlying cause and taking appropriate measures to address it, you can restore your paper plant’s health and enjoy its beautiful foliage once again. Remember to observe your plant closely and provide it with the care it needs to thrive.