Updated: October 26, 2022

The friendship plant, also known as Pilea involucrata, is a popular houseplant known for its unique, textured leaves and easy-to-care-for nature. However, one common issue that many plant owners face is the curling of the plant’s leaves. This can be frustrating and concerning for those who want to keep their friendship plant healthy and vibrant. In this article, we will explore the reasons why friendship plant leaves may curl and provide tips on how to prevent and treat this issue.

Overwatering

Overwatering is one of the most common causes of leaf curl in friendship plants. When the plant receives too much water, its roots become waterlogged, causing stress on the plant. As a result, the leaves may start to curl or wilt. If the overwatering continues, the plant may even develop root rot, which can be fatal.

To prevent overwatering, make sure to check the soil moisture level before watering your friendship plant. The top inch of soil should feel dry to the touch before watering. Also, make sure that your pot has proper drainage to allow excess water to escape.

Underwatering

On the other hand, underwatering can also cause leaf curl in friendship plants. When a plant doesn’t receive enough water, it tries to conserve moisture by curling its leaves inward. This helps to reduce surface area and prevent excessive water loss through evaporation.

To prevent underwatering, make sure to water your friendship plant regularly, especially during hot and dry weather. However, make sure not to overwater as well.

Low Humidity

Friendship plants prefer high humidity levels of around 50-60%. If the air in your home is too dry, it can cause the plant’s leaves to curl or develop brown tips. This is because dry air can cause the moisture in the leaves to evaporate faster than the roots can absorb it, leading to dehydration.

To increase humidity levels, you can place a humidifier near your plant or set a tray of water near the plant’s base. Another option is to group your plants together, which can create a mini humid microclimate.

Pest Infestations

Pests like spider mites and thrips can also cause leaf curl in friendship plants. These tiny insects feed on the plant’s sap, causing damage to the leaves and stems. As a result, the leaves may curl or develop yellow spots.

To prevent pest infestations, make sure to regularly inspect your friendship plant for any signs of pests. If you do find any pests, treat them immediately with an insecticidal soap or neem oil.

Disease

Lastly, disease can also cause leaf curl in friendship plants. Fungal and bacterial infections can cause damage to the plant’s leaves and stems, leading to curling or wilting. Common diseases that affect friendship plants include root rot, powdery mildew, and bacterial blight.

To prevent disease, make sure to keep your plant clean and free of debris. Also, avoid overcrowding your plants as this can increase the risk of disease spread.

FAQ

What should I do if my friendship plant’s leaves are curling?

First, check the soil moisture level and adjust your watering schedule accordingly. Also, check the humidity level and make sure it’s around 50-60%. If pest infestations or disease are suspected, treat them immediately.

Can I save my friendship plant if its leaves are severely curled?

It depends on the cause of the leaf curl. If it’s due to overwatering or underwatering, adjusting your watering schedule may help the plant recover. However, if the cause is pest infestations or disease, removing the affected leaves and treating the plant may be necessary.

How often should I water my friendship plant?

Friendship plants prefer to be kept consistently moist, but not waterlogged. Check the soil moisture level regularly and water when the top inch of soil feels dry to the touch.

Can I mist my friendship plant to increase humidity?

While misting can help increase humidity levels temporarily, it’s not the most effective method. Instead, consider using a humidifier or placing a tray of water near the plant’s base.

In conclusion, leaf curl in friendship plants can be caused by a variety of factors including overwatering, underwatering, low humidity, pest infestations, and disease. By understanding the causes and taking preventative measures, you can keep your friendship plant healthy and thriving.