Alocasia macrorrhizos

Variegated Elephant Ear

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Taxonomy

Family Araceae · Genus Alocasia

Common Names

Variegated Elephant EarPink AlocasiaAlocasia macrorrhizos variegata

Context

nativeRegion

Tropical rainforests of Southeast Asia and parts of Oceania.

usdaZones

Zones 9–11 (grown indoors elsewhere).

companionPlants

Philodendron, Monstera, Calathea, Ferns

culturalUses

Cultivated for ornamental value; roots and stems are traditionally used as food (taro) after proper preparation to remove toxins in some Pacific cultures.

Care

Care Requirements

LightBright, indirect light is preferred; can tolerate some filtered sunlight but avoid harsh direct sun which can scorch leaves.

WateringKeep soil consistently moist but not soggy. Allow the top inch of soil to dry before watering again. Sensitive to overwatering.

SoilRich, well-draining soil; an aroid mix (peat, perlite, orchid bark) is ideal.

FertilizerApply a balanced liquid fertilizer every 2-4 weeks during the growing season (spring/summer); reduce feeding in fall and winter.

HumidityThrives in high humidity (above 60%). Misting or using a humidifier is beneficial, especially in dry environments.

TemperaturePrefers warm temperatures between 18-28°C (65-82°F); not frost tolerant and should be protected from temperatures below 15°C (59°F).

Growth & Life Cycle

HabitLarge, upright evergreen perennial with dramatic elephant ear-shaped leaves.

Mature SizeCan reach 1.5–5 m (5–16 ft) tall and 1–3 m (3–10 ft) wide under optimal conditions.

Growth RateModerate to fast growth in warm, humid conditions.

BloomingRarely flowers indoors; when it does, produces pale spathe and spadix inflorescences.

DormancyMay enter partial dormancy or slow growth in cooler, lower light months.

Propagation

MethodsDivision of rhizomes or offsets, Stem cuttings (less common), Seeds (rare in cultivation)

DifficultyModerate; division is easiest and most reliable.

Best SeasonSpring to early summer.

Maintenance & Notes

PruningRemove yellowing or dead leaves regularly to maintain appearance and prevent disease.

RepottingRepot every 1–2 years or when rootbound, preferably in spring.

Pests & DiseasesSusceptible to spider mites, aphids, and mealybugs; root rot possible if overwatered.

ToxicityToxic to humans and pets if ingested (contains calcium oxalate crystals).

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