Updated: June 28, 2023

Introduction

If you have a whale fin plant (Senecio rowleyanus), also known as a string of pearls, and notice that it is growing sideways instead of trailing down, you may be wondering what could be causing this. While this succulent is known for its cascading foliage, sometimes it can exhibit unusual growth patterns. In this article, we will explore some possible reasons why your whale fin plant may be growing sideways and provide tips on how to encourage its natural trailing growth.

Insufficient Light

One of the most common reasons why a whale fin plant may start growing sideways is due to insufficient light. These succulents thrive in bright, indirect sunlight. If you are keeping your plant in a location with low light levels, it may not receive enough energy to grow vertically. Instead, it will start to grow towards the direction of the available light source, causing it to grow sideways.

To rectify this issue, try moving your whale fin plant to a spot with brighter light. A south-facing window or placing it near a well-lit area indoors can provide the necessary light for vertical growth. Additionally, rotating the plant every few weeks will ensure even exposure to sunlight and prevent one-sided growth.

Improper Watering Techniques

Overwatering or underwatering can also contribute to sideways growth in whale fin plants. These succulents are adapted to arid conditions and require well-draining soil. If the soil retains too much moisture, it can cause root rot and hinder proper vertical growth.

To avoid overwatering, allow the soil to dry out between waterings. Stick your finger about an inch into the soil – if it feels dry, it’s time to water your plant. Additionally, ensure that your pot has drainage holes at the bottom to prevent water from accumulating.

Underwatering can also lead to sideways growth as the plant tries to find more favorable conditions. Make sure to water your whale fin plant thoroughly when you do water it, allowing the excess water to drain out completely.

Lack of Proper Support

Whale fin plants have delicate, trailing stems that require support as they grow. If your plant is not provided with adequate support, the weight of the foliage may cause it to bend or grow sideways. This can lead to an unattractive appearance and hinder the natural trailing growth habit.

To address this issue, consider providing support for your whale fin plant. You can use a trellis or small stakes to guide the stems in the desired direction. Be gentle when attaching the stems to the support to avoid damaging them. Over time, the plant will grow along the support and resume its cascading growth pattern.

Pest Infestation

Another possible reason for sideways growth in a whale fin plant is a pest infestation. Mealybugs and spider mites are common pests that can affect these succulents. They feed on the plant’s sap, causing damage and stunting growth. In response to the stress caused by pests, the plant may exhibit abnormal growth patterns.

Inspect your plant regularly for signs of infestation, such as white, cotton-like webs or small insects on the leaves and stems. If you notice any pests, take immediate action to eliminate them. You can use organic insecticidal soap or neem oil to treat infested areas and prevent further damage.

Conclusion

If you have noticed that your whale fin plant is growing sideways instead of trailing down, there are several potential causes to consider. Insufficient light, improper watering techniques, lack of proper support, and pest infestations can all contribute to this abnormal growth pattern. By addressing these issues and providing the necessary care, you can encourage your whale fin plant to resume its natural cascading growth and enjoy its unique beauty. Remember to provide adequate light, water appropriately, offer support, and regularly inspect your plant for pests. With a little attention and care, your whale fin plant will thrive and bring joy to your space with its graceful trailing foliage.