Upright Elephant Ear
- **Type**: Tropical evergreen perennial
- **Height**: 4 to 8 feet (1.2 to 2.4 meters) outdoors; typically 2 to 4 feet (60 to 120 cm) indoors
- **Width**: 2 to 4 feet (60 to 120 cm)
- **Growth Habit**: Upright, clumping, with large, vertically oriented leaves
- **Foliage**:
- Large, heart-shaped to arrowhead-shaped leaves, 1 to 3 feet long (30 to 90 cm)
- Glossy, medium to dark green, with smooth texture and subtle veining
- Petioles (stems) are sturdy, green, and upright, holding leaves aloft
- Evergreen in frost-free zones; may go dormant in cooler conditions
- **Flowers**:
- Creamy white to pale green spathe and spadix (aroid inflorescence), up to 10 inches (25 cm) long
- Bloom season: Summer (June to August) in warm, humid conditions; rare indoors
- Strongly fragrant at night (sweet, lily-like scent), attracts pollinators
- **Fruit**:
- Small, orange-red berries in clusters, rare indoors
- Not ornamentally significant; toxic if ingested
- **Light**: Bright, indirect light indoors; partial shade outdoors (direct sun may scorch leaves)
- **Soil**:
- Well-drained, rich, loose; prefers a mix with peat, perlite, and organic matter
- Slightly acidic (pH 5.5 to 6.5)
- **Watering**: Moderate; keep soil consistently moist but not waterlogged, allow top inch to dry slightly between waterings
- **Hardiness**: USDA Zones 9 to 11 (20°F or -6°C; grown as a houseplant elsewhere)
- **Humidity**: High (60-80%); thrives with misting or a humidifier
- **Wildlife**: Attracts pollinators when flowering; toxic to pets and humans if ingested (contains calcium oxalate)
- **Care**:
- Fertilize monthly in spring and summer with a balanced liquid mix (e.g., 10-10-10), diluted
- Rotate pot for even growth; remove yellowed leaves at the base
- Repot every 1-2 years or when rootbound; cut back if dormant in cooler climates
- **Pests/Diseases**:
- May attract spider mites, aphids, or mealybugs
- Susceptible to root rot in soggy conditions
- **Uses**: Indoor houseplant, patio plant in warm climates, tropical garden accent, or shade border
- **Growth Rate**: Moderate to fast; grows quickly with proper care in warm, humid settings
- **Special Features**:
- Known for its upright, paddle-like leaves and night-blooming fragrance
- Parent species for hybrids like ‘Regal Shield’
- Air-purifying indoors, removing toxins like formaldehyde
The Alocasia Odora’s towering, glossy leaves and potential for fragrant blooms bring a bold, tropical elegance to indoor spaces or shaded gardens, thriving with humidity and care. Let me know if you’d like more growing tips or styling ideas!