Updated: July 18, 2023

Introduction

If you have noticed that your perilla plant is growing sideways instead of upright, you may be wondering what could be causing this unusual growth pattern. Perilla, also known as Japanese basil or shiso, is a popular herb with vibrant leaves that are commonly used in Asian cuisine. Understanding the reasons behind the sideways growth can help you address the issue and ensure healthy growth for your perilla plant.

Lack of Sunlight

One possible reason for your perilla plant growing sideways is a lack of sunlight. Perilla plants require at least six hours of direct sunlight each day to thrive. If your plant is not receiving enough sunlight, it may start to grow towards the nearest light source, which can result in sideways growth. To fix this issue, consider moving your perilla plant to a sunnier location or providing artificial light if natural light is limited.

Improper Watering

Another factor that can contribute to sideways growth in perilla plants is improper watering. Overwatering or underwatering can both lead to stress and cause the plant to grow in unusual directions. If your perilla plant is growing sideways, check the soil moisture level by inserting your finger about an inch into the soil. If it feels dry, it’s time to water the plant. On the other hand, if the soil feels wet or moist, hold off on watering until it dries out slightly. Consistent and appropriate watering will promote healthier growth and prevent sideways growth.

Insufficient Nutrients

A lack of essential nutrients can also impact the growth pattern of your perilla plant. If the soil lacks sufficient nutrients, the plant may exhibit weak stems and struggle to grow upright. To ensure proper nutrition, consider using a balanced fertilizer specifically formulated for herbs like perilla. Follow the instructions provided on the fertilizer package to avoid overfertilization, which can be detrimental to the plant’s growth. Regular fertilization will provide your perilla plant with the necessary nutrients and encourage it to grow upright.

Crowded Growing Conditions

Perilla plants need adequate space to grow and spread their roots. If your perilla plant is growing sideways, it could be a sign of overcrowding. When plants are planted too close together, they compete for resources such as sunlight and nutrients, resulting in distorted growth patterns. To address this issue, ensure that each perilla plant has enough space to grow by providing at least 12-18 inches of distance between them. This will allow the plants to grow upright without any restrictions.

Pruning Neglect

Proper pruning is essential for maintaining the shape and growth of perilla plants. If you have been neglecting pruning your perilla plant, it may start to grow sideways due to uncontrolled growth. Pruning helps remove excessive foliage and encourages the plant to focus its energy on upward growth. Regularly trim back any leggy or overgrown stems to promote a more compact and upright growth habit in your perilla plant.

Pests and Diseases

Pests and diseases can also affect the growth pattern of perilla plants. Insects like aphids, spider mites, or whiteflies can infest the plant, causing stress and leading to abnormal growth. Additionally, diseases such as fungal infections can weaken the stems, making them prone to bending or growing sideways. Inspect your perilla plant regularly for any signs of pests or diseases and take appropriate measures to control them. Using organic pest control methods or consulting with a professional can help you address these issues effectively.

Conclusion

If your perilla plant is growing sideways instead of upright, several factors could be contributing to this abnormal growth pattern. Lack of sunlight, improper watering, insufficient nutrients, crowded growing conditions, pruning neglect, and pests or diseases can all impact the way your perilla plant grows. By addressing these issues and providing the necessary care, you can encourage your perilla plant to grow upright and thrive. Remember to monitor your plant’s growth regularly and make adjustments accordingly to ensure its overall health and vitality.