Updated: July 3, 2023

Introduction

Mandevilla plants are known for their beautiful and vibrant flowers, making them a popular choice for gardeners. However, you may notice that your mandevilla plant is growing sideways instead of upright. This can be a cause for concern, as it not only affects the aesthetic appeal of the plant but also its overall health and growth. In this article, we will explore some common reasons why your mandevilla plant may be growing sideways and provide tips on how to correct this issue.

Lack of Sunlight

One possible reason why your mandevilla plant is growing sideways could be a lack of sunlight. Mandevillas thrive in full sunlight and require at least six hours of direct sunlight each day to grow upright. If your mandevilla is not receiving adequate sunlight, it may start to lean or grow sideways as it tries to reach towards the light source.

To fix this issue, consider moving your mandevilla plant to a location where it can receive more sunlight throughout the day. Place it in a spot that gets ample morning or afternoon sun, or even consider using artificial lights to supplement the natural light if you are growing your mandevilla indoors.

Improper Pruning Techniques

Another factor that could contribute to your mandevilla plant’s sideways growth is improper pruning techniques. Pruning is essential for maintaining the overall shape and structure of the plant. If you prune your mandevilla incorrectly, it can lead to uneven growth and cause the plant to lean or grow sideways.

When pruning your mandevilla, make sure to use sharp and clean pruning shears. Start by removing any dead or damaged branches, then selectively prune back any overgrown or wayward branches. Aim to maintain a balanced shape while promoting upward growth. Avoid excessive pruning, as this can also cause the plant to grow sideways.

Insufficient Support

Mandevilla plants are vigorous climbers, and they require proper support to grow upright. If your mandevilla does not have adequate support, it may start to grow sideways or sprawl along the ground. This is particularly common if you are growing your mandevilla in a container without a trellis or stake for support.

To rectify this issue, provide your mandevilla plant with a sturdy trellis or stake. Install it near the base of the plant and gently tie the stems to the support structure as the plant grows. This will encourage upward growth and prevent the plant from growing sideways or falling over.

Improper Watering Techniques

Watering plays a crucial role in the overall health and growth of mandevilla plants. Overwatering or underwatering can both lead to problems, including sideways growth. If your mandevilla is not receiving the right amount of water, it may become weak and prone to leaning or growing sideways.

To ensure proper watering, allow the top inch of soil to dry out between waterings. When you do water, make sure to thoroughly saturate the soil until water drains out from the bottom of the container. Avoid letting your mandevilla sit in standing water, as this can lead to root rot. Consistency is key when it comes to watering your mandevilla plant, so establish a regular watering schedule based on its specific needs.

Pests and Diseases

In some cases, pests or diseases can also cause your mandevilla plant to grow sideways. Spider mites, aphids, and certain fungal infections can weaken the plant’s structure and lead to abnormal growth patterns.

Inspect your mandevilla regularly for any signs of pests or diseases. If you notice any issues, treat them immediately using organic or chemical-based solutions depending on your preference. By addressing these problems promptly, you can prevent further damage and encourage upright growth in your mandevilla plant.

Conclusion

If your mandevilla plant is growing sideways, it is important to identify the cause and take appropriate action to correct the issue. Lack of sunlight, improper pruning techniques, insufficient support, improper watering, and pests or diseases can all contribute to sideways growth in mandevillas. By addressing these factors and providing the necessary care, you can help your mandevilla regain its upright growth habit and ensure a beautiful and healthy plant for years to come.