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Growing Colocasia Gigantea Bulbs: Tips for Bigger Plants and Abundant Foliage

Are you looking to add a tropical flair to your garden? Look no further than the majestic Colocasia esculenta, also known as elephant ears! These large plants are incredibly easy to grow – all they need is moist soil, full sun, and consistent humidity. Plus, you can even plant them in containers and submerge them slightly during the summer. Read on to find out why elephant ears are the perfect addition to your garden!

Planting and Growing a Giant Elephant Ear Bulb

Growing a giant elephant ear from a bulb can be done with ease by following these simple steps:

  1. Dig a hole deep enough so that the top of the bulb is 4 inches deeper than the soil line.
  2. Cover it with 4 inches of soil.
  3. When all danger of frost has passed, you may plant your tubers within 6 to 8 weeks.
  4. For this purpose, you can place each tuber in an individual 6-inch pot filled with good quality potting or seed starting soil.

A 14- to 18-inch pot would be ideal for growing the elephant ear bulb indoors. Make sure to follow these steps:

  • Fill the pot three-quarters full with a light-weight potting mix.
  • Plant the root side up about eight inches deep in the soil.
  • Place your potted elephant ear in a bright spot where it will get plenty of light; however, it can also grow in medium indoor light.

When it comes to selecting the size of the bulb, it is important to note that:

  • Larger elephant ear bulbs will produce bigger plants with strong stems and abundant foliage.
  • Smaller tubers tend to yield smaller plants with fewer leaves.

Caring for Colocasia Bulbs

Once planted, it won’t take long for the Colocasia bulb to start growing. In 3 to 8 weeks, top growth will emerge, depending on the availability of warmth and humidity. The plant can then be expected to grow tall throughout the season and often develop side plants from bulb offsets or root runners.

Tips for Care

To ensure the healthy growth of your elephant ear, follow these tips:

  • Provide your plant with plenty of water and fertilizer every two weeks until flowering begins.
  • Monitor your plant’s growth regularly as they can become susceptible to diseases if not cared for properly.

It is important to note that elephant ears prefer moist soil and high humidity levels. Therefore, it is recommended to water the plant deeply and frequently, especially during hot and dry weather. Additionally, applying a balanced fertilizer every two weeks can help promote healthy growth and flowering.

By following these simple care tips, you can enjoy a beautiful and healthy Colocasia bulb in your garden.

Growing Giant Elephant Ears for a Tropical Look

Although giant elephant ears require plenty of water and fertilizer, it is important to know that they like full sun and consistent humidity. Alocasias, on the other hand, prefer well-drained soil and a little shade. A distinguishing feature between these two is that alocasia plants hold the tip of their leaves out or upward, which makes them stand out from other plants in your garden.

If you are looking for an exciting way to grow tropical titans in your garden or home, then growing giant elephant ears may be just what you need! With the right care and attention, these plants can bring life to any outdoor space with their large foliage and bright colors. Read on to learn more about some of the varieties available!

Best Growing Conditions

The best place for giant elephant ears to grow is in a humusy soil that is moist to the point of being wet. This plant thrives in swamps, boggy areas, and around water gardens due to its need for plenty of water and fertilizer. They also need full sun and consistent humidity to really reach their potential.

Comparison with Alocasias

Giant Elephant EarsAlocasias
Require plenty of water and fertilizerPrefer well-drained soil
Like full sun and consistent humidityNeed a little shade
Have leaves that droop downwardHave leaves that hold the tip out or upward

As you can see, there are some key differences between giant elephant ears and alocasias. While both plants can add a tropical look to your garden, it’s important to choose the right one for your specific growing conditions.

Watering Tips for Growing Colocasia

When it comes to watering, Colocasia prefer to be kept moist at all times. Don’t allow them to fully dry out, as you will quickly see the leaf turn brown. To ensure that your plant is getting enough water, follow these tips:

  • Check the soil every few days and give it a good soak whenever needed.
  • Set up an irrigation system or use a spray bottle filled with lukewarm water to keep its foliage from drying out during hot summer months.

Additionally, providing adequate humidity levels around 50% is beneficial for their growth as well.

For those who want to grow their Colocasia in water, it can be done with certain species. Potted Colocasia esculenta can do well in shallow bodies of water, while other varieties like Colocasia gigantea require better drainage. As a pond marginal, elephant ears are very successful and when grown in containers the pots can be submerged slightly during the summer.

SpeciesWater Requirements
Colocasia esculentaCan do well in shallow bodies of water
Colocasia giganteaRequire better drainage


In conclusion, Colocasia esculenta and Colocasia gigantea are both lovely additions to any garden, and their ease of care makes them great for gardeners of all levels. They thrive in full sun and moist soil, and can be grown in pots or in shallow bodies of water. With proper care and maintenance, these tropical titans will quickly grow into a beautiful and lush display of foliage.