Alocasia Lauterbachiana

Alocasia lauterbachiana:Purple Sword Growing Guide & Care Tips

Alocasia lauterbachiana, also known as Elephant’s Ear, Purple Sword or Giant Taro, is a wonderful plant that belongs to the Alocasia genus. It has large, vibrant green and unique leaves. Alocasia lauterbachiana is native to the rainforests of Southeast Asia, where it thrives in hot and humid conditions. This plant is a perennial herbaceous species from the Araceae family. The name of the plant is derived from the German botanist Albert Lauterbach, who studied tropical flora extensively.

Description and Characteristics

Description and Characteristics

Alocasia lauterbachiana is characterized by its impressive size, reaching heights of up to six feet (1.8 m) in the right conditions. Its glossy, heart-shaped and obliquely arrow-shaped leaves can spread over two feet (60 cm) in length. Prominent veins running through the center of the leaves add to its appeal, making for a visually stunning display. The color of the leaves is usually a vibrant green, which adds to its tropical appeal. Its long curved arrow-like leaves stand straight up towards the sky. This characteristic of the leaves makes them distinct from other plants and a bit more beautiful.

Alocasia lauterbachiana Cultivation and Care

 Light and Temperature Requirements

Bright, indirect light is essential for the healthy growth of Alocasia lauterbachiana. Position the plant in close proximity to a window to ensure it receives gentle, filtered sunlight. While ensuring adequate light, it is important to avoid direct exposure to intense sunlight as it may cause leaf burn. The plant enjoys warm temperatures between 65-85°F (18-29°C), making it ideal for indoor cultivation.

Soil and Watering

A healthy environment is essential for the production of Alocasia lauterbachiana. Provide well-drained soil with good organic matter for a healthy environment. Ensuring proper moisture levels in the plant’s soil is crucial, and accomplishing this requires consistent and frequent watering. But not waterlogged. Maintaining proper drainage is critical to prevent root rot.

Humidity and Mistings

Alocasia lauterbachiana flourishes in environments with high humidity. For a comparable environment, you have the option to raise humidity levels by either misting the leaves or employing a tray filled with water and pebbles. This effective method prevents leaf edges from drying out and promotes the overall well-being of the plant.


To foster the ideal growth of Alocasia lauterbachiana, regular fertilization is vital. During the growing season, employing a balanced, water-soluble fertilizer can supply the essential nutrients. However, it’s crucial to adhere to the instructions on the fertilizer packaging to prevent over-fertilization, which may cause harm to the plant.

Pruning and Maintenance

Taking care of your Alocasia lauterbachiana through pruning and maintenance is vital for its flourishing growth. Regular pruning aids in managing the plant’s size and shape, resulting in a more compact and appealing look. Ensuring the plant’s overall well-being, it is vital to promptly remove any yellow or damaged leaves. In addition, it is essential to keep the soil consistently moist without overwatering, while also providing the plant with bright indirect light to promote its growth.

Purple Sword Repotting Needs

Purple Sword Repotting Needs

Proper care is crucial when repotting your Alocasia lauterbachiana to support its ongoing growth and health. As the plant matures, a larger container becomes necessary to accommodate its expanding root system. Choose a pot that should be larger in size than the previous pot and has proper drainage holes.

With caution, gently remove the plant from its current pot, being mindful of the delicate roots. Transfer it to the new pot, ensuring the roots are adequately covered with fresh, well-draining soil. Lastly, provide a thorough watering to help the plant settle into its new environment and thrive. Following these steps guarantees a successful repotting process for your Purple Sword.

Purple Sword Propagation Methods

Purple Sword Propagation Methods

Alocasia lauterbachiana can be propagated through several methods.


Dividing the plant during repotting is a common propagation method for lauterbachiana. With caution, divide the plant into smaller sections, making sure that each section retains its root system. Plant the divisions in separate pots with suitable soil and provide proper care until they establish themselves.

Rhizome Cuttings

Another method of propagation is using rhizome cuttings. Take a healthy rhizome from the parent plant, ensuring it has multiple nodes. Plant the cutting horizontally in a pot with suitable soil and maintain appropriate moisture levels until new growth emerges.

Purple Sword Common Issues and Pests

While Alocasia lauterbachiana is a resilient plant, it may face a few common issues.

Leaf Yellowing

Yellowing leaves may result from factors such as excessive watering, insufficient watering, or direct sunlight exposure. Adjusting the watering schedule and providing proper lighting conditions can help prevent this issue.

Pest Infestation

Common pests that may affect Alocasia lauterbachiana include spider mites and aphids. Frequently examine the leaves for any signs of pests and address them promptly using suitable organic or chemical pest control methods.

Toxicity of Alocasia lauterbachiana, Purple Sword 

Toxicity of Alocasia lauterbachiana, Purple Sword 


When dealing with Alocasia lauterbachiana, it’s crucial to be cautious about its toxicity to humans. The presence of calcium oxalate crystals in the plant can cause irritation and discomfort when ingested or when its sap comes into contact with the skin.

To mitigate risks, it’s advisable to wear gloves while handling the plant and refrain from touching your eyes or mouth afterward. If any adverse reactions like skin redness, itching, or difficulty breathing occur, seek immediate medical assistance. Keeping the plant out of reach and avoiding direct contact is essential for preventing any potential harm.


Alocasia lauterbachiana poses toxic risks to cats and dogs, making them susceptible to its harmful effects. Ingestion of the plant can lead to gastrointestinal issues, oral irritation, excessive drooling, and difficulty swallowing for pets.

To protect their well-being, keeping the plant out of reach or considering pet-friendly alternatives is important. If you suspect your pet has encountered or eaten any part of the plant, promptly contact your veterinarian. Timely action is crucial in managing potential health risks and ensuring the safety of your beloved furry companions.

Popular Varieties of Purple Sword 

Several popular varieties of Alocasia lauterbachiana/Purple Sword have gained recognition among plant enthusiasts:

Alocasia lauterbachiana ‘Black Stem’

This variety features dark, almost black stems, contrasting beautifully with the vibrant green leaves. It adds a touch of elegance to any plant collection.

Alocasia lauterbachiana ‘Silver Dragon’

Silver Dragon‘ showcases silver-white veins on deep green leaves, creating a stunning visual effect. It is highly sought after for its unique foliage pattern.

Alocasia Lauterbachiana/Purple Sword in Interior Design

Alocasia Lauterbachiana/Purple Sword in Interior Design

Alocasia lauterbachiana is a favorite choice for interior designers. Those who are looking to bring a tropical vibe into spaces. Its large leaves and distinct appearance make it an eye-catching centerpiece. It adds a touch of drama and natural beauty to living rooms, offices, and other interior spaces.  It has ability to instantly transforming the ambiance by its natural and attracting foliage beauty.

Frequently Asked Questions

How often should I water my Alocasia lauterbachiana?

To keep your Alocasia lauterbachiana healthy, water it when the top inch (2.5 cm) of the soil becomes slightly dry. To prevent overwatering, adjust the watering frequency of your Purple Sword according to its needs and the moisture level of the soil. Good drainage is crucial for maintaining the ideal moisture balance.

Can I grow Alocasia lauterbachiana outdoors?

Yes, Alocasia lauterbachiana can be grown outdoors in suitable tropical or subtropical climates. It thrives in warm and humid conditions.

Can I place my Alocasia lauterbachiana in direct sunlight?

To protect your Alocasia lauterbachiana from leaf burn, avoid direct sunlight and instead provide bright indirect light or partial shade. This will promote optimal growth and keep the plant healthy.

How big does alocasia Lauterbachiana grow?

Lauterbachiana/Purple Sword can grow to an impressive size, with its mature height ranging from 3 to 6 feet (90 to 180 centimeters). The plant’s leaves can span from 1 to 2 feet (30 to 60 centimeters) in length and have a width of approximately 1 foot (30 centimeters). 

Is Alocasia lauterbachiana toxic to pets?

Alocasia lauterbachiana is toxic to pets. To ensure their safety, keep it out of their reach. In case of suspected ingestion, it is important to promptly contact a veterinarian for assistance.


Alocasia lauterbachiana is a captivating plant with its enchanting foliage that appeals to many. Its impressive size and tropical charm make it a stunning addition to any space. By adhering to the recommended cultivation and care practices, you can embrace the beauty of Purple Sword while enjoying its air-purifying qualities and aesthetic allure.Transform the atmosphere of your space by incorporating this exquisite tropical plant into your collection and elevate the overall ambiance of your surroundings.

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