Begonia Corallina Species Profile & Care Guide

The Begonia Corallina is a popular and visually appealing species of the Begonia plant genus.

Beloved by gardeners for its stunning aesthetics and relatively simple care requirements, the Begonia Corallina is a tropical plant that can enrich any plant-collection or indoor garden with its captivating leaf designs and vibrant colors.

It’s renowned for its coral-like branching structure that contributes to its unique appeal.

Begonia Corallina

Profile Overview

The Begonia Corallina is a captivating plant that brings beauty to any growing space. Here is a brief overview of this enthralling species:

  • Common Name: Coral Begonia
  • Scientific Name: Begonia corallina
  • Family: Begoniaceae
  • Origin/Native Region: Brazil
  • Growth Habit: The Begonia Corallina is an upright, well-branched, semi-evergreen perennial. It typically grows in a bushy form, with a potential spread of over a meter, and can reach a height of up to four feet tall, depending on the growing conditions.


The Begonia Corallina sports an attractive visual spectacle that instantly adds charm to any indoor or outdoor set-up. Boasting large, glossy and oblong leaves that are jagged along their margins, this plant offers a captivating contrast of bright green and deep burgundy hues.

The leaves are typically as rich and captivating on their undersides as they are on top. However, it’s not just the foliage that’s impressive. This begonia species also blossoms periodically, producing clusters of ephemeral pink flowers.

These flowers add a touch of subtle elegance to the plant’s overall aesthetic appeal, making it a real feast for the eyes.

Leaf Size

In terms of leaf size, Begonia Corallina is recognized for having large, flamboyant foliage. The leaves can grow anywhere between 6 to 12 inches long, varying in size depending on the specific care conditions and overall health of the plant.

The size of the leaves is quite a spectacle and contributes greatly to the plant’s lush, tropical appeal. This leaf size means that your Begonia Corallina will ideally need a relatively large space to grow and flourish effectively.

Monitoring the size of the leaves can also be a good indicator of the plant’s health and whether it is receiving adequate care.

Leaf Shape

The Begonia Corallina has distinct foliage shape that can be a significant identifying feature. Its leaves are asymmetrical or oblique in shape, a feature common in many begonia species.

These leaves can range from broad and heart-shaped to elongated heart-shape, often with a slightly pointed tip. The edges of the leaves are saw-toothed or serrated, giving them a unique texture.

This complex leaf shape, combined with the plant’s striking coloration, creates a rich visual display that adds a touch of tropical elegance to any space.

With the proper care, these leaf shapes can be preserved, resulting in a healthier plant.

Leaf Color

The Begonia Corallina exhibits a mesmerizing leaf color which can be a distinctive feature of this species. The leaves primarily display a vibrant, deep green color on the upper side, with a glossy satin sheen that reflects light beautifully.

What makes it even more exciting is the occasional sprinkling of silver spots, effectively giving a variegated look to the leaves. The underside of the leaves contrasts beautifully with the upper portion, showcasing a rich red or burgundy tone.

The brilliant colorplay of the Begonia Corallina’s leaves is a key factor in its popularity as a decorative houseplant. It provides a lush, tropical ambiance to any indoor setting.

Stem Characteristics

Begonia Corallina boasts an impressive stem structure. Unlike some other species, the stems are thick, and bamboo-like, giving the plant a solid, strong appearance.

In terms of color, the stems can range from a soft green to a striking red. If you’re lucky, you might even see tiny spots of silver. This combination not only provides an excellent contrast to the foliage but also adds to the overall appeal of the Begonia Corallina.

Whether indoor or outdoor, plan to provide your begonia with the right growing conditions and you’ll see it develop its characteristic vibrant stems in response.

Mature Size

The Begonia Corallina, also known as coral begonia, is a mid-size to large plant. Growing in optimal conditions, the coral begonia can reach a height of 1 to 2 meters, sometimes even going beyond.

In terms of width, it can spread out to 1 meter. The overall size can be influenced by the balance between light, humidity, and nutrients. When cultivated indoors, the growth can be contained with regular pruning.

Their size makes these plants a wonderful addition to appreciate either as a specimen or within a cluster of house plants. Remember to give them enough space to flourish.

Care Requirements

Begonia Corallina is a beautiful yet demanding species that requires specific care conditions to thrive. To achieve healthy growth, you should consider the following factors: light needs, watering frequency, humidity preferences, temperature range, and soil type including pH preferences.

Each of these elements plays a crucial role in the overall well-being of your Begonia Corallina plant. Providing optimal care aspects will not only help sustain the flower’s growth but also enhance its distinct appearance and longevity.

So, let’s delve into what these specific care conditions entail in order to help your plant thrive.

Light Needs

Begonia Corallina prefers bright but indirect light to thrive. Exposure to direct sunlight may cause leaf burn, whereas too little light can lead to leggy growth and sparse blooming.

Therefore, it’s important to place your Begonia near a bright window, but away from direct rays of the sun. If natural light is limited, they can also do well under fluorescent lights.

For an optimal growth environment, maintain a balance, providing enough light to promote their decorative foliage and flowers, without risking harm to their delicate leaves.

In essence, considerate light conditions are key to maintaining a healthy and happy Begonia Corallina.

Watering Frequency

The Begonia Corallina appreciates a regular watering schedule that allows its soil to dry out between each session. You should aim to water this plant once the top inch of the soil feels dry to the touch.

However, it is crucial not to overwater, as this can lead to root rot – a common issue in Begonias. During winter, when the plant is less active, decrease watering frequency.

Bear in mind that the correct watering frequency may vary depending on climate conditions, the pot’s size, and the indoor environment. Always monitor your plant’s condition and adjust as necessary.

Humidity Preferences

Begonia Corallina thrives in high humidity environments. Ideally, they prefer a humidity level of around 50-60%. Under dry conditions, the plant’s growth may slow and the leaves may start to brown at the edges.

To meet their requirement for high humidity, you can use methods such as placing a tray filled with water and pebbles under the planter, using a humidifier, or regularly misting the plant with water.

If you live in a naturally dry climate, grouping your Begonia Corallina with other moisture-loving plants can create a small-scale, more humid microclimate that will benefit all the plants.

Temperature Range

For Begonia Corallina, temperature is critical to their health and can directly impact their growth. These tropical beauties thrive in a temperature range between 60°F (15°C) and 85°F (29°C).

However, they can still survive in slightly cooler temperatures but it should not drop below 50°F (10°C). Additionally, it is noteworthy that these plants don’t handle dramatic temperature fluctuations well.

Hence, selecting an indoor environment that offers consistent temperature without cold drafts or exposure to direct heat sources would be optimal for your Begonia Corallina’s well-being.

Lastly, they do not tolerate frost or freezing temperatures and are ideally grown in USDA zones 10-11.

Soil Type & pH Preferences

The Begonia Corallina thrives best in a well-draining soil mix, typical of most houseplants. This could be a blend of peat moss, vermiculite, and perlite.

Soil composition should allow for air and water movement to avoid root rot and other complications. In regards to pH, Begonia Corallina prefers acidic to neutral soil conditions.

The ideal pH range is between 5.5 and 6.5. Regular checks and amendments of your soil’s pH can ensure your Begonia Corallina’s optimal health and growth.

Growth & Propagation

The growth and propagation section sheds light on vital aspects concerning the development of the Begonia Corallina.

Growth rate pertains to the speed at which this species tends to expand in optimal conditions.

Propagation methods refer to the techniques you can adopt to multiply your Begonia Corallina.

The plant’s active growth season is crucial to note for care purposes, and potting and repotting recommendations further ensure the good health and longevity of your plant.

Understanding these aspects in depth can make a significant difference in the healthy growth of your Begonia Corallina.

Growth Rate

The Begonia Corallina exhibits a moderate to fast growth rate. It can rapidly establish itself in the appropriate conditions, especially during its active growth season – spring to early fall.

The speed of its growth majorly depends on how well its specific requirements are met. Providing adequate water, light, and suitable temperature can significantly enhance its growth rate.

Furthermore, it is essential to feed them with a balanced fertilizer during the growing season for optimal development.

Regular pruning also contributes to the plant’s healthy and fast growth, by stimulating fresh growth and maintaining the plant’s shape.

Propagation Methods

Begonia Corallina is propagated mainly through stem-cuttings. You can cut a mature stem from the mother plant and plant it in a pot with suitable well-drained soil.

Be sure to cut below a node, which is where new roots will grow from. Alternatively, leaf cuttings can also be used for propagation. In this method, you cut a leaf along with its stalk and plant it in soil.

After a few weeks, new roots and shoots will sprout. Regardless of the method you choose, ensure the plant has plenty of indirect light and maintain high humidity to aid propagation.

Keep the soil moist but not waterlogged.

Season of Active Growth

The Begonia Corallina’s season of active growth typically spans from Spring to Autumn. During this time, you’ll notice a flourish in foliage and a robust growth rate.

This is when the plant will demonstrate its full range of colors and might even produce flowers.

This active growth phase is crucial for the plant’s development and it is important that its care routine, including watering, lighting and feeding, caters specifically to this intensive growth period.

Keep in mind that during winter, the plant will enter a rest period and its growth will significantly slow down.

Potting and Repotting Recommendations

Begonia Corallina is planted in well-draining soil in a pot that fits the size of its root system. When the plant displays significant growth to the point of overwhelming the pot, repotting becomes essential.

Repotting is generally done in the spring, the beginning of its active growth season. Select a new pot one size larger than the current one to provide space for growth without overwhelming the plant.

While repotting, be gradual and cautious to avoid damaging the delicate roots. Always ensure the plant is in a stable position, halfway down the new pot, with soil firmly tucked around its roots.

Potential Issues

Despite your best care efforts, your Begonia Corallina may face some challenges. Maintaining its health can be a complex process, as both pests and diseases can pose significant threats.

In addition, due to the plant’s particular sensitivities, certain environmental factors or care mistakes can inadvertently harm your Begonia Corallina.

In this section, we’ll explore possible concerns, such as common pests and diseases that afflict this species, as well as other sensitivities you need to be aware of.

Understanding these issues will help you mitigate them and ensure your Begonia Corallina remains vibrant and healthy.

Common Pests

Begonia Corallina, like other houseplants, can become a target for various types of pests. The most common ones include aphids, spider mites, thrips, and whiteflies.

Aphids can be seen clustering on the underside of leaves or on young shoots, sucking the plant’s sap, and causing leaves to curl and discolor.

Spider mites, tiny creatures that live under leaves, cause yellowing and drop off of leaves. Thrips, small winged insects, cause white patches on leaves and premature leaf drop.

Whiteflies are tiny moth-like insects that infest the undersides of leaves causing wilting, yellowing, and reduced plant vigor. Regular inspection can help detect these pests early.

Common Diseases

Begonia Corallina is relatively robust, but it can still be susceptible to a number of common houseplant diseases. These primarily include powdery mildew, a fungal infection that presents as a white or grey powder on the surface of leaves and stems, and root rot, caused by excessive moisture.

Less commonly, you might face issues with gray mold or Botrytis, which can lead to leaf spotting or decay. It’s crucial to address these conditions immediately to prevent spreading and irreversible damage.

Using fungicides appropriate for the specific disease and improving ventilation can be effective measures to combat these ailments.

Other Sensitivities

Begonia Corallina is quite sensitive to various environmental factors. These include sudden temperature fluctuations, strong winds, and overall poor care routines.

Prolonged exposure to direct sunlight can trigger leaf scorching, while too much watering can lead to root rot. This plant prefers a stable, well-monitored environment for optimal growth.

Extreme cold or hot temperatures can cause the plant to wilt and eventually die. Hence, it’s worth noting that the success in growing Begonia Corallina lies in maintaining a balance and being mindful of these sensitivities.

Regular monitoring can greatly help in preventing these issues, ensuring your plant’s healthy growth.

Special Features & Uses

The Begonia Corallina offers unique aesthetic and practical values that contribute to its popularity. These include its appeal as a decorative plant with its distinct, ornamental leaves that breathe life into any interior setting.

Additionally, although not typically utilized for its healing properties, some cultures view this species within certain traditional medicine frameworks.

It is also noteworthy for its low toxicity level, rendering it generally safe for households with children or pets. However, like all plants, ingestion in large amounts can still lead to discomfort.

Therefore, it’s crucial to familiarize yourself with these features and uses to maximize the benefits and minimize risks.

Unique Characteristics

The Begonia Corallina is truly a unique species, loaded with particular characteristics that make it stand out in the begonia family. Its cane-like stem grows erect and displays a coral color, hence the species name Corallina.

The oblique leaves, that are silver-spotted on the obverse and red on the reverse, provide an impressive aesthetic value. In addition, it sports clusters of delicate pink flowers that bloom in the right conditions, offering a spectacular sight to behold.

With its intriguing combination of space and color, Begonia Corallina brings not just beauty but also a dose of natural, elegant intrigue to your collection.

Decorative Use

The Begonia Corallina is a highly decorative plant and is commonly used to beautify various indoor settings. Its lush foliage, vibrant leaf colors, and enticing cane-like stems make it a perfect addition to your indoor plants collection for a tropical vibe.

It’s an ideal choice for living rooms, hallways, or even offices where there’s indirect light. It can be creatively displayed in hanging baskets, pots, or terrariums to enhance its visibility.

This plant is not just an addition to your plant assortment but serves as an intrinsic piece of your home decor, bringing in an aura of natural freshness and vitality.


Begonia Corallina belongs to the Begoniaceae family, many species of which are known to contain compounds that can be toxic to pets if ingested.

However, the toxicity level of Begonia Corallina is generally regarded as low-moderate. The primary toxins are soluble calcium oxalates, which can cause irritation to the mouth, lips, and tongue of pets.

Symptoms can include drooling, vomiting, difficulty swallowing, and in more serious cases, systemic effects such as changes in heart rate and difficulty breathing.

It’s advised to keep this plant out of reach from pets or children to prevent any accidental ingestion.

Additional Tips & Tricks

This section of the Begonia Corallina Species Profile & Care Guide serves as the finishing touch, housing a selection of beneficial and practical advice.

Here, we delve into the nuances of the Begonia Corallina’s care. This includes suggestions for fertilization routine, ideal pruning practices, and advice for support structures, if necessary.

By following these tips, not only will you facilitate the healthy growth of your Begonia Corallina, but you’ll also be able to maintain its aesthetic appeal whilst ensuring a vibrant addition to your indoor or outdoor garden.

Fertilization Recommendations

The Begonia Corallina requires a balanced plant fertilizer applied during its growing season. It’s recommended that you use a water-soluble fertilizer about every two weeks from spring through fall.

Choose a product with an equal ratio of Nitrogen (N), Phosphorous (P), and Potassium (K), such as a 20-20-20. This promotes both foliage growth and flower production.

It’s equally important not to over-fertilize as this can cause salt buildup which can harm your plant. During the winter months, it’s better to hold off on fertilizer as your plant enters a dormant state and does not grow as vigorously.

Pruning & Maintenance

The Begonia Corallina requires fairly minimal maintenance. The care includes routine pruning to promote bushier growth and control the plant’s size.

You should trim any discolored or wilting leaves and faded flowers to encourage new growth. Regularly check for signs of pests or diseases during your maintenance routines and promptly deal with any issues in order to prevent them from spreading.

While pruning, you can also take cuttings to propagate new plants. As part of your maintenance routine, clean the leaves occasionally to get rid of any dust and maintain the plant’s overall health.

Remember, a well-maintained Begonia Corallina rewards you with vibrant, lush foliage.

Support Structures

When it comes to Begonia Corallina, support structures aren’t typically required. This plant is upright by nature and usually grows without needing external support.

However, due to the large size of its leaves, under certain conditions, such as rapid growth or in older plants, some form of support could be beneficial.

Simple stakes or a small indoor trellis can help maintain the plant’s shape and prevent any damage to the stems or leaves that might occur due to excess weight.

Overall, it’s important to monitor your Begonia Corallina’s growth and provide support structures as necessary, based on its specific needs and health.

Begonia   Updated: November 11, 2023
avatar Hi, I'm Amy, a devoted horticulturist and the creator of, where I use my expertise to help beginners foster their green thumbs. My blog is a vibrant community where I unravel the complexities of gardening and share my profound love for nature.
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