Updated: May 1, 2023

The black lipstick plant, also known as Aeschynanthus radicans or the lipstick vine, is a popular houseplant that is native to Southeast Asia. It is known for its dark green leaves and bright red flowers that resemble tubes of lipstick. However, if you have noticed that the leaves of your black lipstick plant are curling, it could be a sign that something is wrong.

In this article, we will discuss the reasons why your black lipstick plant leaves are curling and what you can do to fix the issue.

Lack of Water

One of the most common reasons why the leaves of your black lipstick plant might be curling is due to a lack of water. These plants require consistent watering to maintain their health and prevent leaf curling.

If you have been neglecting to water your plant or have been inconsistent with your watering schedule, the leaves will start to curl as a sign of distress. The soil around the roots may also become dry and crumbly.

To fix this issue, water your plant regularly and make sure that the soil is moist but not waterlogged. You can also mist the leaves with water to increase humidity levels around the plant.

Overwatering

On the other hand, overwatering can also cause the leaves of your black lipstick plant to curl. When you overwater your plant, the soil becomes waterlogged, which can lead to root rot and other issues.

If you notice that the leaves of your black lipstick plant are curling downwards and turning yellow, it may be a sign of overwatering. The soil may also feel wet and mushy.

To fix this issue, reduce the amount of water you give your plant and only water it when the top inch of soil feels dry to the touch. You can also improve drainage by adding perlite or sand to the soil mix.

Lack of Humidity

Black lipstick plants thrive in humid environments, so if you live in a dry climate or have low humidity levels in your home, it can cause the leaves to curl and turn brown.

To fix this issue, you can increase humidity levels by misting the leaves with water or placing a tray filled with pebbles and water underneath the plant. You can also use a humidifier to maintain consistent humidity levels around your plant.

Pests

Pests like spider mites and mealybugs can also cause the leaves of your black lipstick plant to curl. These tiny insects feed on the sap inside the leaves, which causes them to wilt and curl.

To fix this issue, inspect your plant regularly for signs of pests and treat them with insecticidal soap or neem oil. You can also use a strong stream of water to remove any pests from your plant.

Disease

Lastly, disease can also cause the leaves of your black lipstick plant to curl. Fungal infections like powdery mildew and bacterial infections like Xanthomonas campestris can cause leaf curling and yellowing.

To fix this issue, remove any infected leaves from your plant and treat it with fungicide or bactericide. Make sure to keep your plant well-ventilated and avoid getting water on its leaves.

FAQ

Q: Can I prune my black lipstick plant?

A: Yes, you can prune your black lipstick plant to promote bushier growth and remove any dead or damaged foliage.

Q: How often should I fertilize my black lipstick plant?

A: Black lipstick plants only need to be fertilized once a month during their growing season (spring and summer). Use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.

Q: Can I propagate my black lipstick plant?

A: Yes, you can propagate your black lipstick plant by taking stem cuttings and rooting them in water or soil. Make sure that each cutting has at least two nodes (where leaves attach) and keep them in a warm and humid environment until they develop roots.

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