How to Grow Elephant's Ear Alocasia 'Red Secret'

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Elephant's Ear Alocasia 'Red Secret'

Alocasia × amazonica 'Red Secret'

flower

Alocasia 'Red Secret' is a striking tropical foliage plant featuring large, deeply lobed dark green leaves with dramatic red undersides and prominent burgundy veining. This compact cultivar grows 2-3 feet tall and is prized for its ornamental foliage rather than flowers, making it a stunning houseplant or tropical garden specimen.

When should you plant Elephant's Ear Alocasia 'Red Secret' in your zone?

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Example Elephant's Ear Alocasia 'Red Secret' timeline · Pittsburgh, PA (Zone 6b)

Plant Elephant's Ear Alocasia 'Red Secret'
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Elephant's Ear Alocasia 'Red Secret' blooms
Mid-to-late summer

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Elephant's Ear Alocasia 'Red Secret' dates for your own zip code.

Growing Conditions

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Sun: Bright, indirect light 2-3 feet from an east or west-facing window; avoid direct sun which can fade leaf color

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Water: Keep soil consistently moist but not waterlogged; water when top 1-2 inches of soil are dry. Reduce watering in winter. Prefers high humidity (60%+); mist leaves or use a pebble tray.

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Spacing: 18 inches

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Days to maturity: N/A (foliage plant)

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Planting depth: Tuber planted 1-2 inches deep; transplants at same depth as original container

Soil

Type: Loose, well-draining aroid mix with high organic matter

pH: 5.5-6.5

Amendments:

Peat moss or coco coir Perlite or orchid bark Compost Worm castings

Growing Zones

Find your zone →

Thrives in zones 10b-11; grow indoors in cooler climates

10b 11a 11b

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Growth Stages

Dormancy/Establishment

2-4 weeks

Plant emerges from dormancy as a small tuber with minimal foliage; may appear sparse initially

Provide warmth (70-80°F), bright indirect light, and keep soil barely moist until growth accelerates. Be patient; growth is slow initially.

Vegetative Growth

4-12 weeks

New leaves unfurl rapidly, each larger than the last; red undersides become more vibrant as plant matures

Maintain consistent moisture, warmth, and bright indirect light. Increase humidity. Feed weekly with diluted balanced fertilizer (10-10-10). Rotate pot weekly for even growth.

Full Maturity

Ongoing (8+ months)

Plant reaches its characteristic size with multiple large lobed leaves displaying rich burgundy undersides and prominent veining; compact mounding form

Continue consistent watering and high humidity. Fertilize every 2-3 weeks during growing season. Prune any yellowing leaves at petiole base.

Flowering (Rare Indoors)

Ephemeral when it occurs

Small spadix inflorescences may appear but are insignificant and distract from foliage display

Pinch off flowers to direct energy into leaf production if desired. Flower production indicates plant is fully mature.

Dormancy/Rest

2-4 months

Plant naturally drops leaves and enters semi-dormancy in fall/winter, especially if temperatures drop below 65°F

Reduce watering significantly. Cut back on fertilizer. Maintain warmth above 60°F. Dormancy is temporary; growth resumes with spring warmth.

Companion Planting

Plan your garden →

Plant with:

Anthurium Philodendron Monstera Calathea Fern Pothos

Avoid planting near:

Direct heating vents Cold drafts Low-humidity environments

Common Pests

Spray foliage with water to increase humidity; use insecticidal soap or neem oil weekly if infestation occurs. Mist leaves regularly to prevent.
Remove with cotton swab dipped in rubbing alcohol; spray with insecticidal soap. Isolate affected plant to prevent spread.
Avoid overhead watering. Remove affected leaves. Ensure good air circulation. Sterilize pruning tools between cuts.
Let soil dry slightly between waterings. Use well-draining mix. Repot in fresh soil if root rot develops. Remove affected roots with sterilized knife.

Uses

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Interior Design & Tropical Decor

Household

Alocasia 'Red Secret' is a premium houseplant used in modern interior design to create tropical focal points in living rooms, offices, and conservatories. Its striking red-burgundy leaf undersides and deep green tops add dramatic color contrast and architectural interest to any space. [source]

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Botanical Illustration & Photography

Craft

The distinctive lobed leaf shape and striking red undersides make this plant a favorite subject for botanical artists, interior designers, and plant photographers seeking visually compelling imagery. [source]

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Traditional Asian Medicine (Alocasia genus)

Medicinal

Some Alocasia species have been used in traditional Southeast Asian medicine, though 'Red Secret' itself is primarily ornamental. The genus is studied for potential anti-inflammatory and antimicrobial compounds. [source]

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Biodiversity in Indoor Gardens

Wildlife

As a tropical plant, Alocasia contributes to creating tropical microhabitats indoors that attract beneficial insects like tiny wasps and parasitic flies that prey on plant pests, supporting a balanced ecosystem. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

This is a foliage plant; no harvesting for food. Prune yellowing or damaged leaves at the base of the petiole with sterilized scissors. Remove entire petioles to encourage branching. Can be propagated from tuber division during dormancy (late winter).

Fun Facts

🌱 The name 'Elephant's Ear' comes from the plant's massive lobed leaves; in the wild, some Alocasia species produce leaves up to 3 feet long.
🌱 Alocasia 'Red Secret' is a hybrid cultivar (Alocasia × amazonica), making it a cross between multiple species developed for superior ornamental qualities.
🌱 All parts of Alocasia contain calcium oxalate crystals and are toxic if ingested; keep away from pets and children, and wash hands after handling.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar

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