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Image of Alocasia lauterbachiana (Alocasia lauterbachiana)

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Purple Sword

Alocasia lauterbachiana

Also known as: Alocasia Lauterbachiana, Silver Sword, Baroque Sword
Native to Northern New Guinea and Bismarck Archipelago

Alocasia lauterbachiana is a striking tropical plant known for its dramatic, upward-pointing leaves that can reach 1.5 meters (5 feet) in height. Its elongated, sword-shaped leaves have wavy edges and a glossy texture, with deep green upper surfaces and purple-tinged undersides. The plant grows in an upright, architectural form, making it a popular ornamental houseplant. Its distinctive vertical growth habit and metallic sheen on leaf surfaces give it a unique visual appeal compared to other Alocasia species.

Plant Care Overview

Difficultymoderate
LightBright, indirect light
WaterWater when top 1-2 inches of soil dry out
Humidityhigh

Care Guide

Essential requirements for your Alocasia lauterbachiana

Light & Location

Light Requirements

Bright, indirect light

Light conditions can affect leaf color and growth rate. Adjust placement as needed based on your plant's response.

Water & Humidity

Watering Schedule

Water when top 1-2 inches of soil dry out

Humidity Needs

high humidity

Always check soil moisture before watering. Adjust frequency based on your home's conditions.

Temperature & Environment

Temperature Range

18°C to 27°C (65°F to 80°F)

Native Climate

Native to Northern New Guinea and Bismarck Archipelago

Keep away from drafts, heaters, and air conditioners which can stress your plant.

Soil & Nutrition

Soil Type

Well-draining aroid mix with perlite and organic matter

Fertilizer

Balanced houseplant fertilizer during growing season

Consider repotting every 1-2 years to refresh soil nutrients and accommodate growth.

Propagation

Methods to grow more Alocasia lauterbachiana plants

Division of rhizomes or offsets

Plant Info

Characteristics and background information

Plant Characteristics
Native Region

Northern New Guinea and Bismarck Archipelago

Growth Rate

moderate

Mature Size

Up to 1.5 m (5 ft) tall

Lifecycle

perennial

Pet Safety

Toxic to pets

🌸 Flowering

Flower Description

Produces a typical aroid inflorescence (spadix) surrounded by a greenish spathe, but flowering is rare in indoor conditions

Fun Fact

The plant's upward-growing leaves resemble medieval swords, earning it the nickname 'purple sword' due to the distinctive purple coloration on leaf undersides and stems.

Troubleshooting

Solutions for typical issues with your Alocasia lauterbachiana

Spider mites
Symptoms

Fine webbing on leaves, yellow speckling, and leaf drop

Root rot
Symptoms

Yellowing leaves, mushy stems, and foul-smelling soil

Leaf yellowing
Symptoms

Yellow leaves with brown edges

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