Updated: July 3, 2023

If you’ve noticed that your mosquito plant (Pelargonium citrosum), also known as citronella plant, is growing sideways instead of upright, you may be wondering what could be causing this issue. Mosquito plants are popular for their supposed ability to repel mosquitoes with their strong lemony scent, making them a sought-after addition to gardens and outdoor spaces. However, when they start growing in strange directions, it can be a cause for concern. In this article, we’ll explore some common reasons why your mosquito plant may be growing sideways and provide some solutions to help it grow properly.

Insufficient sunlight

One of the primary reasons why your mosquito plant may be growing sideways is due to insufficient sunlight. These plants thrive in full sun conditions and require at least six to eight hours of direct sunlight each day. If they don’t receive enough light, they tend to stretch and lean towards the direction of the light source, resulting in a sideways growth pattern.

To fix this issue, you should ensure that your mosquito plant is placed in a spot where it can receive adequate sunlight. If you’re growing it indoors, consider placing it near a south-facing window or using artificial grow lights to supplement natural light. Outdoors, make sure there are no obstructions blocking the sunlight from reaching the plant.

Improper watering

Another common factor contributing to sideways growth in mosquito plants is improper watering. Overwatering or underwatering can both lead to weakened roots and unstable growth patterns. When the roots are weak, the plant may struggle to support itself upright and start growing sideways instead.

To prevent overwatering, make sure the soil is well-drained and avoid letting water sit in the saucer or pot tray. Water your mosquito plant only when the top inch of soil feels dry to the touch. On the other hand, if you notice that your plant is consistently drying out too quickly, consider increasing the frequency of watering or adding a layer of mulch to help retain moisture.

Nutrient deficiencies

Mosquito plants require a balanced diet of essential nutrients to grow properly. If they lack certain nutrients, it can affect their overall health and growth. A common nutrient deficiency that can lead to sideways growth is nitrogen deficiency. Nitrogen is crucial for leaf development, and a lack of it can result in weak stems and leaves that are unable to support an upright growth habit.

To address nutrient deficiencies, you can apply a balanced fertilizer specifically formulated for potted plants. Look for one with a higher nitrogen content to promote healthy leaf growth. Follow the instructions on the fertilizer packaging and avoid over-fertilizing, as this can cause more harm than good.

Lack of pruning

Regular pruning is essential for maintaining the shape and structure of your mosquito plant. Without proper pruning, the plant can become leggy and develop long, weak stems that lead to sideways growth. Pruning helps promote branching and encourages the plant to grow upright.

To prune your mosquito plant, use clean and sharp pruning shears to remove any dead or damaged branches. Additionally, pinch back the tips of the plant regularly to encourage bushier growth. Aim to remove about one-third of the plant’s overall size during each pruning session.

Pests or diseases

Sometimes, sideways growth in mosquito plants can be a sign of pest infestation or disease. Common pests that can affect these plants include aphids, spider mites, and whiteflies. These pests feed on the leaves and stems, weakening the plant and causing it to grow abnormally.

Inspect your mosquito plant regularly for any signs of pests or diseases. Look for yellowing leaves, webbing, or small insects on the plant’s surface. If you suspect an infestation or disease, treat it promptly using organic insecticidal soap or other appropriate treatments.

In conclusion, if your mosquito plant is growing sideways instead of upright, several factors could be contributing to this issue. Insufficient sunlight, improper watering, nutrient deficiencies, lack of pruning, and pests or diseases can all lead to abnormal growth patterns in these plants. By addressing these potential problems and providing the necessary care, you can help your mosquito plant regain its upright growth habit and continue to thrive in your garden or outdoor space.