How to Grow Taro Leaves

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Taro Leaves

Colocasia esculenta

vegetable

Taro is a tropical perennial grown for both its starchy corms (underground tubers) and large, heart-shaped leaves that are widely used in cuisines throughout Africa, Asia, and the Pacific. The plant produces impressive foliage with distinctive arrow-shaped leaves on long petioles. It thrives in warm, moist conditions and is a staple crop in many tropical and subtropical regions.

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Example Taro Leaves timeline · Pittsburgh, PA (Zone 6b)

Plant Taro Leaves
Around Apr 17

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

Watering, feeding, and pest-watch reminders.
Harvest Taro Leaves
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Taro Leaves dates for your own zip code.

Growing Conditions

☀️

Sun: Partial shade to full sun (4-6+ hours daily); tolerates shade better than many tropical vegetables

💧

Water: Keep soil consistently moist but not waterlogged; prefers high humidity. Water deeply and regularly, especially during dry seasons. Excellent for wetland or boggy garden areas.

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Spacing: 24-36 inches between plants; space rows 24-36 inches apart inches

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Days to maturity: 90-120 days for leaf harvest; 6-12 months for full corm development

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Planting depth: Plant corms 1-2 inches deep; leaf shoots appear within 2-3 weeks

Soil

Type: Rich, moist, well-draining loamy soil with high organic matter content

pH: 5.5-7.0

Amendments:

Compost Aged manure Peat moss or coconut coir Balanced fertilizer (10-10-10)

Growing Zones

Find your zone →

Zones 10-12; can be grown as an annual in zones 9 and cooler with protection, or in containers moved indoors

10a 10b 11a 11b 12a 12b

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Growth Stages

Sprouting

2-4 weeks

Small shoots emerge from the planted corm and develop their first petioles (leaf stems)

Keep soil warm (70°F+) and consistently moist. Provide warmth and humidity. Avoid waterlogging that causes corm rot.

Leaf Development

4-8 weeks

Large heart-shaped leaves unfurl with prominent veining; plants develop multiple leaves on long petioles reaching 12-24 inches tall

Begin light harvesting of outer leaves once plant has 4-5 leaves. Maintain consistent moisture and humidity. Feed with balanced or high-nitrogen fertilizer every 3-4 weeks to encourage foliage.

Vegetative Growth

8-16 weeks

Vigorous foliage production with large, robust leaves; plant develops a fuller canopy; secondary shoots may emerge from the corm base

Harvest mature outer leaves regularly to encourage new growth and maintain plant vigor. Mulch around base to retain moisture and regulate soil temperature. Monitor for pests in warm, humid conditions.

Corm Development

4-8 weeks onward

Underground corm enlarges and produces mini-corms (cormels) around the main corm; leaf production continues but slows slightly

Reduce nitrogen fertilizer; switch to balanced or slightly higher potassium formula to support tuber development. Continue regular watering. Foliage can still be harvested but leave some leaf area for photosynthesis.

Maturity & Harvest

Ongoing (leaves) or 6-12 months (corms)

Plant reaches full size; leaves become very large; corms and cormels are ready for harvest if digging for tubers

For leaf-only harvest, continue picking outer leaves indefinitely in tropical zones. If harvesting corms, lift plants carefully with a fork to avoid damaging tubers. In cooler zones, harvest before frost.

Companion Planting

Plan your garden →

Plant with:

Pepper Okra Eggplant Ginger Turmeric Basil Cilantro Maize Cucumber

Avoid planting near:

Fennel Dill Walnut trees

Common Pests

Remove affected leaves immediately; improve air circulation and reduce overhead watering; apply copper fungicide if severe; ensure well-draining soil and avoid overcrowding
Handpick caterpillars and eggs from undersides of leaves; spray with neem oil or insecticidal soap in early morning; encourage natural predators
Increase humidity through regular misting; spray affected foliage with water to dislodge mites; use neem oil or miticide if infestation is severe
Use yellow sticky traps; spray with insecticidal soap or neem oil; ensure adequate air circulation; remove heavily infested leaves
Avoid waterlogging and ensure excellent drainage; use disease-free planting material; improve air circulation; remove and destroy infected plants

Uses

🍳

Leafy Green Cooking

Culinary

Taro leaves are a nutritious cooked green used in soups, curries, stir-fries, and traditional dishes throughout Africa, Asia, and the Pacific Islands. The leaves must be cooked thoroughly to remove calcium oxalate crystals that can cause mouth irritation. [source]

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Corm/Tuber Staple Food

Culinary

The underground corm is starchy and versatile, boiled, roasted, fried, or ground into flour for porridges and baking. It is a major carbohydrate staple in tropical regions. [source]

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Traditional Medicine & Nutrition

Medicinal

Taro leaves are rich in vitamins A and C, fiber, and minerals. Traditional medicine uses have included supporting digestive health, reducing inflammation, and providing nutritional support. [source]

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Ornamental Foliage

Household

The large, dramatic heart-shaped leaves make taro an attractive ornamental plant for tropical and subtropical gardens, container gardens, and indoor tropical displays. [source]

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Wildlife Habitat & Wetland Plant

Wildlife

Taro thrives in wetland conditions and provides habitat value in constructed wetlands, rain gardens, and naturalized water-edge plantings, supporting biodiversity. [source]

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

Harvest Tips

For leaf harvest, begin when plants have 4-5 fully developed leaves (approximately 4-6 weeks after sprouting). Pinch or cut the outer leaves carefully at the petiole base, leaving the growing center intact. Harvest mature outer leaves regularly every 2-3 weeks to encourage new growth and maintain tenderness. Young, tender leaves are more palatable; older leaves become tougher and more fibrous. In tropical zones, taro can produce leaves year-round. For corm harvest, wait 6-12 months; carefully dig plants and remove corms, replanting smaller cormels for next season. Always cook taro leaves thoroughly before eating to remove calcium oxalate crystals.

Fun Facts

🌱 Taro is one of the earliest cultivated crops, with evidence of cultivation dating back 7,000+ years in the Indo-Pacific region, making it older than most grains.
🌱 The plant's calcium oxalate crystals create a tingling sensation on the tongue if leaves are eaten raw or undercooked—a phenomenon called 'mouthfeel' that disappears with thorough cooking.
🌱 Taro leaves are so large and waxy that in some tropical cultures they are traditionally used as natural serving platters and food wrappers, as well as for roof thatching.

Gardening Terms

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

Full Sun Mulch Partial Shade Perennial pH

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