Updated: July 26, 2023

If you have a pencil plant (Euphorbia tirucalli) in your home or garden and it’s starting to droop or fall over, you may be wondering what could be causing this issue. Pencil plants are known for their unique appearance and resilience, but they can still face certain problems that cause them to lose their upright structure. In this article, we will explore some of the common reasons why your pencil plant may be falling over and provide tips on how to address these issues.

Insufficient Light

One of the main reasons why a pencil plant may start to droop or fall over is due to insufficient light. Pencil plants thrive in bright, indirect sunlight and require at least six hours of light each day. If your plant is situated in a location with limited light or if it’s placed too far away from a window, it may not be getting the necessary amount of light it needs to grow upright.

To address this issue, consider moving your pencil plant to a brighter location or closer to a window. If natural light is not sufficient, you can also supplement with artificial grow lights. Place the plant within a few feet of the light source to ensure it receives an adequate amount of light.

Overwatering

Overwatering is another common mistake that can lead to a pencil plant falling over. These plants are drought-tolerant and prefer well-draining soil. When they are overwatered, their roots can become waterlogged, leading to root rot and weakening of the plant’s structure.

To prevent overwatering, allow the soil to dry out partially between waterings. Stick your finger about an inch deep into the soil – if it feels dry at that depth, it’s time to water. Additionally, make sure your pot has drainage holes to allow excess water to escape. If you notice signs of root rot, such as a foul smell or mushy roots, it’s crucial to take immediate action. Remove the affected parts and repot the plant in fresh, well-draining soil.

Lack of Nutrients

A pencil plant that is lacking essential nutrients may also start to droop or fall over. These plants require regular fertilization during the growing season to maintain their health and upright growth. If your pencil plant has been in the same potting mix for a long time without receiving any nutrients, it may be suffering from nutrient deficiencies.

To remedy this issue, feed your pencil plant with a balanced liquid fertilizer every two to four weeks during the growing season. Be sure to follow the instructions on the fertilizer packaging for proper dilution and application. This will provide your plant with the necessary nutrients it needs to regain its strength and upright form.

Pests

Pencil plants are generally resistant to pests, but they can occasionally fall victim to infestations. Insects like mealybugs, spider mites, and scale insects can weaken the plant by feeding on its sap, leading to a loss of rigidity and drooping.

Inspect your pencil plant regularly for signs of pests, such as yellowing leaves, sticky residue, or small crawling insects. If you notice any pests, treat them promptly using organic insecticidal soap or neem oil. Be sure to cover all plant surfaces, including the undersides of leaves, as pests often hide in these areas. Repeat the treatment as necessary until the infestation is eliminated.

Pruning and Support

If your pencil plant has become leggy and weak, pruning can help rejuvenate its structure. Start by removing any dead or damaged branches using clean pruning shears. Then, trim back long and bare stems to encourage new growth from the base of the plant.

After pruning, consider providing support to your pencil plant if it still appears weak or prone to falling over. You can use stakes, trellises, or plant ties to help train the plant to grow upright. Gently tie the stems to the support structure, ensuring not to constrict their growth. Over time, as the new growth emerges, it will strengthen the plant’s overall structure.

Conclusion

If your pencil plant is falling over, it’s essential to identify and address the underlying cause promptly. Insufficient light, overwatering, lack of nutrients, pests, or poor pruning habits can all contribute to the plant’s weakening structure. By providing the appropriate care, including adequate light, proper watering practices, regular fertilization, pest control, and pruning when needed, you can help your pencil plant regain its upright form and thrive in your home or garden. Remember that every plant has its unique needs, so pay attention to your pencil plant’s individual requirements and adjust your care accordingly. With the right care and attention, your pencil plant will continue to be a beautiful addition to your indoor or outdoor space.