What Kind of Sun Do Begonias Need: Essential Tips for Optimal Growth and Blooming

What Kind of Sun Do Begonias Need?

Begonias need light shade or part sun, with 4-6 hours of morning sun.

Some begonias can tolerate full sun, such as the Dragon wing type or the boliviensis types.

Wax begonias can thrive in both sun and shade.

Some fibrous begonias with bronze leaves can grow well in full sun.

Solenia begonias are powdery mildew resistant and can tolerate full sun.

Hiemalis begonias are best kept in shade.

Key Points:

  • Begonias need light shade or part sun, with 4-6 hours of morning sun.
  • Dragon wing and boliviensis types can tolerate full sun.
  • Wax begonias can thrive in both sun and shade.
  • Fibrous begonias with bronze leaves can grow well in full sun.
  • Solenia begonias are powdery mildew resistant and can tolerate full sun.
  • Hiemalis begonias are best kept in shade.

Did You Know?

1. Despite their delicate appearance, begonias actually prefer to be placed in locations with partial shade rather than direct sunlight. Too much exposure to the sun can scorch their leaves and hinder their growth.

2. Begonias belong to the family Begoniaceae, which comprises over 1,800 known species. This diverse family includes both ornamental varieties popular among gardeners and several begonia species that are used for their medicinal properties.

3. In addition to their colorful flowers, begonias are cherished for their attractive foliage. Some begonia species display unique patterns on their leaves, such as silver spots, intricate veins, or vibrant streaks, adding a touch of visual interest to any garden.

4. Begonias are native to tropical and subtropical regions worldwide. They can be found naturally growing in areas such as the rainforests of Central and South America, the mountains of Asia, and the islands of the South Pacific.

5. The term “begonia” honors Michel Bégon, a French politician and avid botanist who served as the governor of French Canada during the 17th century. The plant genus was named after him by his friend and fellow botanist Charles Plumier, who discovered begonias during his travels in the Caribbean.

Different Types Of Begonias And Their Sunlight Preferences

Begonias, a genus of plants belonging to the Begoniaceae family, consist of over 1700 different species. These versatile plants come in various forms and varieties, each with its own unique preferences for sunlight. Understanding the specific sunlight requirements for different types of begonias is essential for their optimal growth and blooming.

Solenia Begonias: Sun Tolerant and Powdery Mildew Resistant

One type of begonia that thrives in full sun is the Solenia begonia. These beauties are commonly grown in 6-inch pots and feature a distinctive rosette type of growth. Solenia begonias have proven to be powdery mildew resistant, making them a reliable choice for gardeners who often struggle with this fungal disease. Although they can tolerate full sun, it is essential to ensure that these begonias receive some shade during the hottest hours of the day.

Hiemalis Begonias: Best Kept in Shade

In contrast to Solenia begonias, Hiemalis begonias, also known as winter begonias, prefer shade when planted outside. These begonias are well-loved for their stunning blooms and are often used as indoor houseplants or as part of seasonal displays. While hiemalis begonias can tolerate some morning sun, it is crucial to protect them from intense afternoon sunlight to prevent leaf scorching and wilting.

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  • Hiemalis begonias prefer shade when planted outside
  • They are often used as indoor houseplants or for seasonal displays
  • Protect them from intense afternoon sunlight to prevent leaf scorching and wilting.

Dragon Wing Begonias: Form and Flower Power

One exceptional variety of begonia renowned for its form and flower power is the Dragon Wing begonia. These begonias display cascading stems adorned with clusters of vibrant blooms in shades of red and pink. The Dragon Wing begonias can tolerate a wide range of sunlight conditions, including both full sun and light shade. However, to ensure optimal growth and blooming, it is recommended to provide them with at least four to six hours of morning sun.

Begonias For Light Shade And Part Sun Conditions

While some begonias thrive in full sun, others prefer light shade or part sun conditions. These begonias exhibit their enhanced performance when provided with the right balance of sunlight.

Wax Begonias: Versatile Sun Tolerant Beauties

One such versatile variety is the Wax begonia (Begonia semperflorens). These begonias can thrive in both sun and shade, making them an excellent choice for gardeners with varying degrees of sunlight exposure in their outdoor spaces.

Wax begonias are well-known for their continuous blooming throughout the season and are often used as bedding plants or in containers and hanging baskets.

Rex Series Foliage Begonias: Texture and Drama in the Shade

For gardeners seeking to enhance the visual appeal of their mixed containers or shaded areas, the Rex series of foliage begonias offer ideal options. Watermelon and Escargot are particularly attention-grabbing varieties, showcasing extraordinary leaf patterns and colors. These foliage begonias thrive in shady conditions and are best kept away from direct sunlight, which can result in leaf burn or bleaching.

Some Begonias That Can Tolerate Full Sunlight

Contrary to popular belief, not all begonias shy away from full sunlight. Some varieties have adapted to tolerate the intense rays of the sun and can exhibit remarkable performance when provided with the right conditions.

Dragon Wing Begonias: Sun-Seeking Beauties

Dragon Wing begonias are popular for their attractive form and impressive flower power. These begonias are well-suited for sun exposure and can handle the full force of the sun. They feature cascading stems that are adorned with vibrant blooms, available in shades of red and pink. For optimal growth and blooming, it is important to provide these begonias with four to six hours of morning sun.

Boliviensis Tuberous Begonias: Vibrant Colors and Flexible Stems

Boliviensis begonias, a new tuberous variety, offer vibrant colors and flexible stems. Bred in the Eastern Andes mountains of Bolivia, these begonias have adapted to tolerate full sun conditions. The vibrant hues of the boliviensis begonias, coupled with their ability to withstand direct sunlight, make them a fantastic choice for adding a splash of color to sun-drenched garden beds or containers.

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Tuberous And Fibrous Begonias: What’s The Difference?

Begonias can be divided into two main categories: tuberous and fibrous begonias. Understanding the distinction between these two types is crucial for meeting their specific sunlight requirements.

Tuberous begonias have a bulb-like structure called a tuber, which stores nutrients and allows the plant to go dormant during winter. They prefer filtered or indirect sunlight, as direct sunlight can scorch their delicate leaves and flowers.

On the other hand, fibrous begonias have fibrous roots and do not form tubers. They can tolerate more sunlight than tuberous begonias, but still prefer bright, indirect light.

To summarize, here are the key points:

  • Begonias can be classified into tuberous and fibrous types.
  • Tuberous begonias have tubers and require filtered or indirect sunlight.
  • Fibrous begonias have fibrous roots and can tolerate more sunlight, but still prefer bright, indirect light.

Remember, providing the appropriate amount of sunlight is essential for the health and vitality of begonias.

Tuberous begonias: Fleshy Tubers for Stunning Blooms

Tuberous begonias are known for their fleshy tubers, which store nutrients. These begonias produce large, show-stopping blooms and prefer light shade or part sun conditions.

New tuberous varieties, such as the Americana OnTop series and the Ruffled series, offer enthusiasts larger blooms and a wider range of colors and forms.

  • Tuberous begonias have fleshy tubers that store nutrients.
  • They produce large, impressive blooms.
  • These begonias prefer light shade or part sun conditions.
  • New tuberous varieties, like the Americana OnTop series and Ruffled series, offer larger blooms and a variety of colors and forms.

Fibrous begonias: Seed Propagated Wonders

In contrast to tuberous begonias, fibrous begonias are seed propagated. They are valued for their taller plant height and larger leaves. Some fibrous begonias can grow well in full sun, particularly those with bronze leaves, such as the BIG Rose begonia. However, most fibrous begonias thrive in light shade or part sun conditions.

  • Fibrous begonias are seed propagated
  • Valued for taller plant height and larger leaves
  • Some can grow well in full sun, especially those with bronze leaves (e.g., BIG Rose begonia)
  • Most thrive in light shade or part sun conditions.

Popular Begonia Varieties For Part Shade And Hanging Baskets

Part shade areas and hanging baskets can pose unique challenges for gardeners. However, certain begonias are specifically suited to thrive in these environments.

“Non-stop” Series and Illumination Begonias: Perfect for Part Shade

The Non-stop series and Illumination begonias are highly favored options for partial shade environments. Known for their vibrant colors and constant blooming, these begonias are widely used as bedding plants or in mixed containers. Moreover, their trailing habits make them perfect for hanging baskets, creating a stunning cascade of blooms.

New Fibrous Begonia Varieties: Taller Plants with Larger Leaves

For those looking for tall and dramatic begonias with larger leaves, the BIG series, Whopper, and MegaWatt series offer excellent options. These fibrous begonia varieties, while preferring light shade or part sun, can add height and lushness to both garden beds and containers. Their impressive foliage and voluminous growth make them stand out in any landscape design.

“begonias come in a wide range of types and varieties, each with its unique sunlight preferences. From sun-tolerant Solenia begonias to shade-loving Rex series foliage begonias, these versatile plants can thrive in various light conditions.”

  • Solenia begonias: sun-tolerant
  • Rex series foliage begonias: shade-loving
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Whether you have a sun-drenched garden bed or a shady nook, there is a begonia variety waiting to adorn your space with its stunning blooms or striking foliage. Remember to provide the right balance of sunlight to ensure optimal growth and blooming for these popular container and garden plants.


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Frequently Asked Questions

Do begonias like full sun or shade?

Begonias display a versatile nature when it comes to light conditions, as they can thrive in both full sun and shade. However, their tolerance varies depending on factors such as climate and foliage type. In colder areas, begonias can handle a greater amount of sunlight, while in warmer regions, they benefit from some protection against the intense afternoon sun to avoid leaf scald. Additionally, varieties with darker foliage tend to be more resilient and able to withstand higher light levels than their green-leaf counterparts.

Can begonias get too much sun?

While begonias can tolerate some direct sunlight, excessive exposure to the sun can be harmful to them. Direct sunlight can cause the leaves of begonias to burn and become dehydrated. Therefore, it is important to make sure they are not exposed to too much sun and instead provide them with the ideal conditions of partial shade and dappled sunlight to ensure their optimal growth and health.

Does begonias need direct sunlight?

Begonias thrive in bright, indirect light, making it essential to find a suitable spot for indoor varieties near a large window where they can receive an ample amount of gentle sunlight. Shielding them from direct sunlight with a sheer curtain is crucial, as exposing them to intense rays can potentially scorch their delicate leaves. Despite their vibrant nature, begonias have a preference for a more diffused light source that provides them with the ideal conditions for healthy growth.

Do begonias do well in high heat?

Begonias are generally not the best choice for high heat conditions. While some varieties like the Jurassic series can tolerate temperatures as high as 90°F, they may still struggle and show signs of stress. Begonias prefer temperatures in the range of 60°F–80°F, and anything beyond that can be challenging for their growth and well-being. In high heat, it is important to provide adequate shade, shelter, and proper irrigation to help begonias cope with the elevated temperatures. Overheating can cause leaf burn and wilt, so extra care and attention might be needed to ensure the health of begonias in high heat conditions.

References: 1, 2, 3, 4

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