Emm's Plant House

Alocasia Infernalis 'black magic' 7cm H15cm

£18.00 GBP

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Taxes included.

Pot Size 7cm H15cm

Quantity

Alocasia infernalis ‘Black Magic’ is a rare and captivating jewel Alocasia known for its deeply glossy, almost mirror-black leaves with a metallic purple sheen. Compact yet intensely dramatic, this species is adored by collectors for its otherworldly colour, making it a standout statement plant in any indoor jungle.

Full Botanical Name: Alocasia infernalis ‘Black Magic’
Common Names: Black Magic Alocasia, Infernalis Alocasia
Country and/or Region of Origin: Endemic to Borneo
Growing Conditions in Native Habitat: Found on dim rainforest floors in extremely hot, humid, and sheltered environments with rich organic soil

Care Guide

Care Guide:

Light: Low to medium bright, indirect light; direct sun damages its thin, glossy leaves

Ideal Room: Warm, humid rooms such as bathrooms, kitchens, or dedicated plant spaces

Feeding: Use a diluted balanced fertilizer every 4–6 weeks during the growing season

Humidity: Requires very high humidity (70–90%); prefers terrariums, greenhouse cabinets, or humidifiers

Ideal Temperature: 22–30°C; highly sensitive to cold below 18°C

Watering: Keep soil evenly moist but not soggy; never allow the plant to fully dry out

Pet/Child Safe: Toxic (genus level) — contains insoluble calcium oxalate crystals that cause severe burning, irritation, and swelling in the mouth and throat if ingested by pets or humans

Soil Type: Light, airy aroid substrate with bark, perlite, and coco coir

Propagation: Rhizome division; handle carefully, as the plant is delicate

Eventual Height and Spread: 25–35 cm tall; 20–30 cm wide

Growth Rate: Slow; prefers stable warmth and humidity for reliable growth

Pests and Treatment: Prone to spider mites and thrips; maintain humidity and treat infestations with neem or systemic insecticide

Repotting: Every 1–2 years in fresh, well-aerated soil

Pruning: Remove yellowing leaves promptly to prevent rot

Air Purification: Moderate; improves indoor air quality modestly

Folklore: Often associated with mystery, protection, and transformation due to its supernatural, inky-black foliage and “infernalis” namesake

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