Updated: July 20, 2023

If you have a Rex Begonia plant that is growing sideways, you may be wondering what could be causing this unusual growth pattern. While it may seem alarming at first, there are actually several common reasons why your Rex Begonia plant is exhibiting this behavior. In this article, we will explore these reasons and provide tips on how to address the issue.

Insufficient Light

One of the most common reasons why a Rex Begonia plant may grow sideways is due to insufficient light. Rex Begonias are known for their vibrant foliage, which requires adequate light to thrive. When a Rex Begonia does not receive enough light, it may start to stretch and lean towards the nearest light source.

To fix this issue, try moving your Rex Begonia plant to a location with brighter indirect light. Ideally, it should receive about 8-12 hours of bright, indirect sunlight per day. If natural light is limited in your home, you can supplement with artificial grow lights specifically designed for indoor plants.

Uneven Watering

Another factor that can cause your Rex Begonia plant to grow sideways is uneven watering. Overwatering or underwatering can lead to root rot or dehydration, impacting the overall health and growth of the plant.

To prevent uneven watering, make sure to water your Rex Begonia consistently. Allow the top inch of soil to dry out before watering again and ensure proper drainage by using a well-draining potting mix. It is also important to avoid letting the plant sit in excess water, as this can lead to root rot.

Lack of Support

Rex Begonias have soft stems that can bend easily under their own weight or due to external factors such as wind or accidental bumping. Without proper support, the plant may start growing sideways as it struggles to maintain an upright position.

To provide support for your Rex Begonia, consider using stakes or plant supports. Gently insert the stakes into the soil near the base of the plant and tie the stems to the stakes using soft plant ties or twine. This will help keep the plant upright and prevent it from growing sideways.

Lack of Nutrients

A lack of nutrients can also contribute to a Rex Begonia growing sideways. These plants require regular fertilization to ensure they receive the necessary nutrients for healthy growth. If your Rex Begonia is not provided with enough nutrients, it may become weak and have difficulty maintaining an upright position.

To remedy this, consider incorporating a balanced, water-soluble fertilizer into your regular watering routine. Follow the instructions on the fertilizer packaging for proper dilution and application. Be cautious not to over-fertilize, as this can lead to fertilizer burn and other issues.

Rootbound

If your Rex Begonia has been growing in the same pot for an extended period, it may become rootbound. When a plant becomes rootbound, its roots begin to circle around the bottom of the pot, potentially limiting its ability to absorb water and nutrients properly.

To address this issue, carefully remove your Rex Begonia from its current pot and examine its roots. If you notice excessive circling or a dense mass of roots, it is time to repot your plant into a larger container. Gently loosen the roots and place the plant in a new pot with fresh potting mix, ensuring there is enough room for future growth.

Conclusion

If your Rex Begonia plant is growing sideways, do not panic. By understanding the common causes of this growth pattern and implementing appropriate measures, you can help your plant regain its upright posture and continue to thrive. Ensure your Rex Begonia receives adequate light, water consistently, provide support if needed, fertilize regularly, and monitor for signs of being rootbound. With proper care and attention, your Rex Begonia will soon be back on track, showcasing its beautiful foliage in all its glory.