Updated: July 1, 2023

Hydrangeas are popular flowering shrubs known for their beautiful blooms and ability to thrive in a variety of climates. However, if you’ve noticed that your hydrangea plant is growing sideways instead of upright, it’s important to understand the reasons behind this unusual growth pattern. In this article, we will explore the various factors that can cause a hydrangea plant to grow sideways and provide solutions to help rectify the issue.

Insufficient Sunlight

One of the primary reasons why a hydrangea plant may grow sideways is due to insufficient sunlight. Hydrangeas require at least six hours of direct sunlight each day to thrive and maintain an upright growth habit. If your hydrangea is planted in an area with limited sunlight or shaded by nearby trees or buildings, it may start to lean towards the available light source, causing it to grow sideways.

To address this issue, consider relocating your hydrangea plant to a sunnier spot in your garden or trimming back any overhanging branches that may be blocking sunlight. If moving the plant is not possible, you can also try using reflective surfaces such as aluminum foil or white stones around the base of the plant to redirect sunlight towards its lower branches.

Improper Pruning Techniques

Pruning plays a crucial role in maintaining the health and shape of a hydrangea plant. However, incorrect pruning techniques can result in sideways growth. If you have been pruning your hydrangea incorrectly, it may stimulate new growth towards one side of the plant, causing it to become unbalanced and grow sideways.

To avoid this issue, it is essential to prune your hydrangea correctly. The best time to prune depends on the type of hydrangea you have. Generally, for most varieties, it is recommended to prune in late winter or early spring before new growth emerges. When pruning, make sure to remove any dead or damaged branches, as well as thin out crowded areas to promote airflow and light penetration. By maintaining a balanced pruning routine, you can encourage your hydrangea plant to grow upright and avoid sideways growth.

Soil Conditions

Another factor that can contribute to sideways growth in hydrangeas is poor soil conditions. Hydrangeas prefer well-drained soil that is rich in organic matter. If the soil around your plant is too compacted or lacks proper drainage, it can hinder the development of a strong root system, leading to instability and sideways growth.

To improve soil conditions, incorporate organic matter such as compost or well-rotted manure into the planting area. This will help improve soil structure, increase nutrient availability, and enhance drainage. Additionally, consider using a mulch layer around the base of your hydrangea plant to regulate soil moisture and temperature, reducing the risk of waterlogged roots.

Watering Practices

Improper watering practices can also contribute to sideways growth in hydrangeas. Overwatering or underwatering your plant can stress its root system and disrupt its growth pattern. Inconsistent watering can cause the plant to lean towards the side receiving more water, resulting in sideways growth.

To ensure proper hydration, water your hydrangea deeply but infrequently. Provide enough water to reach the root zone and allow the soil to dry out slightly between waterings. Using a moisture meter or checking the soil with your finger can help you determine when it’s time to water. Additionally, consider installing a drip irrigation system or using soaker hoses to deliver water directly to the root zone, promoting even hydration and preventing sideways growth.

Lack of Structural Support

Sometimes, hydrangeas grow sideways simply because they lack adequate structural support. As the plant matures and produces larger blooms, its branches may become top-heavy and bend under their weight. Without proper staking or support, the plant may lean or grow sideways.

To provide structural support, consider staking your hydrangea plant early on in its growth. This will help train the branches to grow upright and prevent them from bending or leaning. Use bamboo stakes or plant supports and tie the branches gently to keep them in an upright position. As the plant grows, adjust the supports accordingly to ensure they provide continuous support.

In conclusion, if your hydrangea plant is growing sideways, it’s important to identify and address the underlying causes. Insufficient sunlight, improper pruning techniques, poor soil conditions, watering practices, and lack of structural support can all contribute to sideways growth. By implementing the solutions provided in this article, you can help your hydrangea regain its upright growth habit and enjoy its beautiful blooms to the fullest.