The Sun Changing Begonia: A Delightful Addition to Your Garden

If you're looking for a unique and eye-catching plant to add to your garden, look no further than the sun changing begonia. This fascinating plant is known for its ability to change color based on the amount of sunlight it receives, making it a dynamic addition to any outdoor space. In this article, we'll explore everything you need to know about the sun changing begonia, from how to care for it to where to find it.

What is a Sun Changing Begonia?

The sun changing begonia, also known as the begonia soli-mutata, is a type of begonia that changes color in response to sunlight. When exposed to direct sunlight, the leaves of the plant turn from green to a vibrant red or pink color, while the flowers turn from white to pink. This stunning transformation makes the sun changing begonia a popular choice among gardeners who are looking for a plant that stands out.

How Does the Sun Changing Begonia Change Color?

The sun changing begonia changes color due to a process called phototropism. Phototropism is the tendency of plants to grow towards a source of light. In the case of the sun changing begonia, exposure to sunlight triggers a chemical reaction in the plant that causes the pigments in the leaves and flowers to change color. The more sun the plant receives, the brighter and more vivid the colors become.

Where Can You Find Sun Changing Begonias?

Sun changing begonias can be found at most nurseries and garden centers, as well as online. They are relatively easy to care for and make a great addition to any garden, so it's no surprise that they are becoming increasingly popular among gardeners.

Caring for Your Sun Changing Begonia

Caring for a sun changing begonia is relatively straightforward, but there are a few things you should keep in mind to ensure that your plant thrives.

Light

As their name suggests, sun changing begonias require plenty of sunlight to change color. Ideally, they should be placed in a location where they receive at least six hours of direct sunlight per day. However, be careful not to expose them to too much direct sunlight, as this can cause the leaves to burn.

Watering

Like most plants, sun changing begonias require regular watering to stay healthy. However, they are sensitive to overwatering, so it's important to strike the right balance. Water your sun changing begonia when the soil feels dry to the touch, but be sure not to let it sit in standing water.

Soil

Sun changing begonias prefer well-draining soil that is rich in organic matter. If you're planting your begonia in a pot, use a potting mix that contains peat moss or vermiculite to improve drainage.

Fertilizer

To encourage healthy growth and vibrant colors, it's a good idea to fertilize your sun changing begonia every two weeks during the growing season. Use a balanced fertilizer that is high in phosphorus, as this will help to promote flowering.

Common Problems and Solutions

Pests

Sun changing begonias can be susceptible to pests like aphids, spider mites, and mealybugs. To prevent infestations, inspect your plant regularly and treat any pests you find with an insecticidal soap or neem oil.

Disease

Like all plants, sun changing begonias can be vulnerable to disease. To prevent issues, avoid overwatering your plant and make sure it is planted in well-draining soil. If you do notice signs of disease, such as yellowing leaves or black spots, remove the affected foliage and treat the plant with a fungicide.

FAQs

1. How often should I water my sun changing begonia?

Water your sun changing begonia when the soil feels dry to the touch. Be sure not to overwater it, as this can lead to root rot.

2. Can I grow a sun changing begonia indoors?

Yes, you can grow a sun changing begonia indoors, but it may not change color as dramatically as it would outdoors. Make sure to place it in a bright, sunny spot near a window.

3. Do sun changing begonias require special care?

Sun changing begonias are relatively easy to care for, but they do require plenty of sunlight and well-draining soil. Avoid overwatering them and fertilize them regularly during the growing season.

4. How can I encourage my sun changing begonia to flower?

To encourage flowering, fertilize your sun changing begonia every two weeks during the growing season with a balanced fertilizer that is high in phosphorus.

5. Are sun changing begonias toxic to pets?

Yes, sun changing begonias are toxic to both cats and dogs. Keep them out of reach of pets to prevent accidental ingestion.


The sun changing begonia is a fascinating and beautiful plant that is sure to add a pop of color to your garden. With the right care and attention, you can enjoy its stunning transformation from green to pink or red all season long.