Alocasia infernalis 'Black Magic' – Exotic Foliage and Care Guide

Alocasia infernalis 'Black Magic' is a captivating cultivar of Alocasia infernalis P.C.Boyce, renowned for its lustrous deep purple-black leaves. Seedlings and juvenile plants exhibit remarkable metallic-purple foliage, while mature specimens display ascending leaves with a dwarf habit, unmatched by any other species. This species is considered one of the most horticulturally significant Bornean Alocasias discovered to date.
Distinctive Features of Alocasia infernalis 'Black Magic'
 
Metallic-purple leaves in juvenile stages, transitioning to deep purple-black in maturity.
 
Compact, dwarf growth habit suitable for indoor cultivation.
 
Unique, lustrous foliage that adds an exotic touch to plant collections.
Essential Information About Alocasia infernalis 'Black Magic'
Native to Sarawak state, Malaysia, Alocasia infernalis thrives in warm, humid environments with filtered sunlight. It typically grows under the canopy of tropical forests, receiving dappled light and consistent moisture.
 
Growth Habit: Compact with structured foliage.
 
Indoor Size: Typically grows between 30–60 cm in height.
 
Toxicity: Contains calcium oxalate crystals and is toxic to pets and humans if ingested.
How to Care for Alocasia infernalis 'Black Magic'
 
Placement: Prefers medium to bright indirect sunlight; avoid direct sun exposure. 
Light Requirements: Thrives in bright, filtered light; too little light may slow growth.
 
Watering: Keep soil slightly moist but avoid waterlogging; allow the top 25% of soil to dry between waterings. 
Humidity: Prefers moderate to high humidity levels (70% and above) for optimal growth. 
Temperature: Ideal range is 20–28°C; protect from cold drafts.
 
Soil: A well-draining potting mix is ideal; a blend of 20% perlite with standard potting mix is recommended. 
Repotting: Repot up 2" in Spring or Summer when the plant becomes root-bound. 
Fertilizing: Use a balanced fertilizer 1-2 times a month during spring and summer; cease feeding in winter 
Propagation: Best propagated through division when repotting.
 
Hydroponics: Can adapt to semi-hydroponic growing conditions using inert substrates.
 
Pruning: Remove yellowing or damaged leaves to encourage new growth.
Common Issues and Solutions
 
Crisping Leaves: Often caused by lack of humidity; increasing ambient moisture can help. 
Pests: Watch for common plant pests that thrive in high humidity; treat with neem oil, or use beneficial insects if needed. 
Additional Considerations
Due to its unique foliage, Alocasia infernalis 'Black Magic' requires consistent care to maintain its health. Ensuring proper humidity, lighting, and watering will help support the development of its distinctive leaves.
Etymology and Botanical Background
The genus Alocasia derives from the Greek words 'a', meaning "without," and Colocasia, the name of a closely related genus. The specific epithet 'infernalis' refers to the plant's dark, almost infernal appearance, while the cultivar name 'Black Magic' highlights its enchanting, dark foliage.
Frequently Asked Questions
 
Is Alocasia infernalis 'Black Magic' suitable for beginners?It requires moderate care and is best suited for growers who can provide stable humidity and consistent watering.
 
How do I increase humidity for my Alocasia infernalis 'Black Magic'?Using a humidifier or placing a water tray nearby can help maintain optimal humidity levels.
 
Can Alocasia infernalis 'Black Magic' be grown outdoors?It can be grown outdoors in tropical climates but should be protected from direct sunlight and strong winds.
Order your Alocasia infernalis 'Black Magic' today and enjoy its exotic, vibrant foliage in your home!