Can Watermelon Peperomia Grow in Water? Hydroponic Potential

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Watermelon peperomia, also known as Peperomia argyreia, is a popular indoor plant known for its patterned leaves and ease of care. With the increasing trend of growing plants in water, many people wonder if watermelon peperomia can grow in water too. This article explores that question and offers insights on how to properly propagate and care for watermelon peperomia in water.

It turns out that watermelon peperomia can indeed grow in both soil and water. These plants are quite versatile and adaptable to various growing conditions. However, to successfully grow watermelon peperomia in water, you need to maintain the right temperature, humidity levels and follow some specific steps for propagation.

There are several methods available for propagating watermelon peperomia, including cuttings placed directly in water. By carefully selecting and preparing the stems, changing the water weekly, and providing proper lighting, you can enjoy a thriving watermelon peperomia grown in water. Stay tuned as we delve into the details of this interesting plant-growing journey.

Understanding Watermelon Peperomia

Plant Characteristics

Watermelon Peperomia (Peperomia argyreia) is a popular houseplant known for its striking, watermelon-like leaves. The leaves exhibit an intricate pattern with green and silver stripes, creating an attractive visual appeal. This plant has a compact growth habit, making it a great choice for small indoor spaces.

Growth Requirements

When it comes to growing Watermelon Peperomia, several factors should be considered to ensure its proper growth.

  • Light: The plant thrives in bright indirect light, avoiding direct sunlight, which can fade the colors of its leaves. Place it near a well-lit window that receives indirect light for the best results.
  • Water: Watermelon Peperomia should be watered when the top layer of the soil becomes slightly dry. It is crucial to remove any standing water after watering to prevent root rot. The watering frequency can be adjusted based on the soil’s moisture level.
  • Soil and Fertilization: This plant can grow in both soil and water. However, if you choose to grow it in soil, ensure that the soil is well-draining. Fertilize the plant occasionally to maintain its health and appearance.
  • Temperature and Humidity: Watermelon Peperomia prefers temperatures between 65-75°F (18-24°C) and humidity levels around 40-50%. It is sensitive to cold drafts, so ensure that you keep it away from cold windows or air conditioners.

In summary, Watermelon Peperomia is an attractive and low-maintenance houseplant that can grow in a variety of conditions. By providing it with proper light, water, and temperature, you can enjoy the unique beauty of this plant in your indoor space.

Growing Watermelon Peperomia in Water

Water Propagation Steps

  1. Prepare the cutting: Select a healthy Watermelon Peperomia plant and take a stem cutting with a few leaves attached. Make sure the cutting is about three to four inches long and has a clean cut at the bottom.
  2. Dip in rooting hormone (optional): Although not required, dipping the cut end in a rooting hormone can help speed up the root development process.
  3. Place the cutting in water: Fill a vase or jar with warm water and place the stem cutting in it. Ensure that the leaves are not submerged in the water.
  4. Provide indirect light: Keep the vase in a spot that receives bright, indirect light. Avoid direct sunlight, as it may scorch the leaves.
  5. Monitor and change water: Regularly check the water level and change it once a week to keep it fresh and clean.

Benefits of Water Growing

  • Visual appeal: Growing your Watermelon Peperomia in water adds an interesting and unique aesthetic to your home or workspace, as you can observe the roots developing in the clear container.
  • Ease of care: Water propagation is a simple and relatively low-maintenance method for growing these plants, with no need for repotting or dealing with soil.
  • Healthy root development: As observed in other types of Peperomia, water propagation can promote healthy root growth.
  • Greater success rate: Water propagation often results in a higher success rate compared to growing in soil, due to the consistent availability of water and oxygen required for plant growth.
  • Adaptability: Watermelon Peperomia can grow in both water and soil, as long as they receive optimal temperature and humidity levels.

Remember to keep the water clean, provide indirect light, and maintain a suitable environment for your Watermelon Peperomia while growing it in water. With proper care, your plant will thrive and bring beauty and freshness to any space.

Caring for Peperomia in Water

When growing a watermelon peperomia in water, there are certain factors to consider for its success. This section comprises three sub-sections: Water Quality, Nutrient Requirements, and Light Considerations.

Water Quality

The water quality plays a critical role in the development of peperomia plants. It’s important to use clean, dechlorinated water, as the presence of chlorine can harm the delicate roots. Additionally, changing the water once a week can prevent the buildup of harmful substances and discourage bacteria growth. Maintaining a consistent temperature of the water is also crucial, with the ideal range between 70-80ºF (21-27ºC).

Nutrient Requirements

As watermelon peperomia is grown in water, it has different nutrient requirements than when grown in soil. Since water doesn’t contain all the necessary nutrients, it’s important to provide additional supplementation. Many peperomia growers choose to add a diluted liquid fertilizer to the water, as it supplies essential nutrients and minerals periodically. It’s advised to follow the fertilizer’s instructions carefully and avoid overfeeding, which may lead to root damage.

Light Considerations

Proper lighting plays a significant role in the overall growth and health of watermelon peperomia. These plants thrive in bright, indirect light, with at least five hours of exposure daily. Direct sunlight should be avoided, as it can scorch the leaves and impede growth. You can place your peperomia near a well-lit windowsill or use artificial lights, such as LED grow lights or fluorescent tubes, to provide optimal light conditions.

Remember to monitor the growth of your watermelon peperomia and adjust the necessary elements discussed above accordingly. With proper care, your peperomia will thrive in water and showcase its striking foliage, bringing a unique touch to your indoor garden.

Common Challenges and Solutions

Root Rot

One of the primary challenges when growing Watermelon Peperomia in water is the risk of root rot. This can occur if the water is not changed frequently enough, allowing bacteria and fungi to develop. To prevent root rot, make sure to change the water in which the plant is growing at least once a week. It’s also essential to maintain optimal water temperature, as cold water may contribute to root rot.

Providing the right nutrients by using a liquid houseplant fertilizer diluted to half-strength can support healthy root development. Adding the fertilizer every 2-4 weeks during the growing season can help prevent root issues. Remember that too much fertilizer could harm your plant, so it’s essential to follow the recommended dosage.

Yellowing Leaves

Another challenge when growing Watermelon Peperomia in water is yellowing leaves, which is often the result of inadequate lighting. These plants thrive in medium to bright indirect light, so ensure they receive sufficient sunlight without being exposed to direct sun, as it could cause leaf burn.

Here’s a list of tips to address yellowing leaves:

  • Move the plant to a location with medium to bright indirect light.
  • Turn the plant regularly to ensure all parts receive even lighting.
  • Monitor the amount of water in the container and maintain the desired level.
  • Check the quality of the water, keeping it clean and using filtered water if possible.

Remember to be patient, as it takes time for the Watermelon Peperomia to adjust to its new environment. With proper care and regular monitoring, your plant should recover and thrive in water.

Transferring to Soil (Optional)

When to Transfer

Although Watermelon Peperomias can propagate well in water, it’s crucial to transfer them to soil to prevent rotting, as mature plants don’t thrive well in water. The ideal time for the transfer is when the cuttings have developed roots approximately 3 inches long. This is because longer roots can better adapt to soil, ensuring successful growth and transition.

Steps to Transition

  1. Choose a well-draining soil mix: A soil mix that promotes proper drainage, such as two parts of regular potting soil combined with one part of perlite or pumice and one part of coco coir, is ideal for Watermelon Peperomias 1. This mix will provide proper aeration and prevent waterlogging.
  2. Prepare the pot: Select a pot with drainage holes to prevent excess water from stagnating in the soil. Fill the pot halfway with the well-draining soil mix.
  3. Remove the cutting from water: Carefully extract the rooted cutting from the water, ensuring that you do not damage the roots in the process.
  4. Plant the cutting: Make a small hole in the soil and gently place the cutting, with the roots facing downwards, into it. Cover the roots with soil, taking care not to bury the stem too deep.
  5. Water the plant: Thoroughly water the newly potted Watermelon Peperomia to ensure that the soil is moist. Place the pot in a location with medium to bright indirect light, and maintain consistent soil moisture for the first 1-2 weeks after the transfer2. This will provide the plantlet with the necessary moisture and nutrients to establish itself in its new environment.

By following these steps, you can successfully transition your Watermelon Peperomia from water to soil, allowing it to grow and thrive. Adapt your care regimen according to the plant’s needs in its new soil home, and watch it flourish.


  1. How To Propagate Peperomia In Water Or Soil – Get Busy Gardening
  2. Watermelon Peperomia: Indoor Care and Growing Guide – The Spruce