How to Grow Kinnow

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Kinnow

Citrus nobilis × Citrus deliciosa

fruit

Kinnow is a hybrid mandarin citrus fruit that is a cross between King and Ponkan varieties, known for its sweet, seedless oranges with thin, easy-to-peel skin. It is a vigorous, semi-dwarf tree that produces abundantly and is particularly popular in South Asian climates. The fruit has a distinctive sweet flavor and is prized for both fresh consumption and juice production.

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Example Kinnow timeline · Pittsburgh, PA (Zone 6b)

Plant Kinnow
Around Apr 17

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

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

Before the first fall frost (≈ Nov 8)

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

Growing Conditions

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Sun: Full sun, minimum 8 hours daily; 10+ hours ideal for maximum fruit production

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Water: Moderate watering; requires consistent moisture during growing season (spring-summer) and fruit development. Water deeply 1-2 times weekly depending on rainfall and temperature. Reduce watering in winter. Drought tolerant once established but performs better with regular irrigation.

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Spacing: 240 inches

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Days to maturity: 1095-1460 (3-4 years from planting to first commercial harvest)

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Planting depth: 2-3 inches (for nursery transplants; plant at same depth as container)

Soil

Type: Well-draining loamy to sandy loam soil

pH: 6.0-7.5

Amendments:

Organic compost Well-rotted manure Citrus-specific fertilizer Zinc and magnesium supplements

Growing Zones

Find your zone →

Thrives in USDA zones 9-11; best in subtropical to tropical climates with moderate winters

9a 9b 10a 10b 11a 11b

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Growth Stages

Establishment

6-12 months

Young tree developing root system and framework branches, typically 12-24 inches of growth

Stake tree for support; prune to develop strong central leader; water regularly; protect from wind and extreme temperatures; mulch around base

Vegetative Growth

12-24 months

Rapid shoot growth with multiple branches forming canopy; tree reaches 8-12 feet height

Continue pruning to maintain shape; apply balanced fertilizer monthly during growing season; maintain consistent watering; monitor for early pests

Flowering

3-4 weeks

Fragrant white flowers appear in clusters (March-April in Northern Hemisphere); tree may produce 50-500+ flowers depending on age

Reduce nitrogen fertilizer to promote flowering; maintain adequate water; avoid pruning during flowering; protect from frost and extreme wind; encourage pollinator activity

Fruit Development & Growth

4-5 months

Flowers set into green fruits that gradually enlarge; skin color transitions from green to yellow-orange over 4-5 months

Thin fruits if overcrowded (space 4-6 inches apart); increase potassium and phosphorus fertilizer; maintain consistent watering; provide micro-nutrients (zinc, magnesium); manage pests actively

Maturation & Harvest

2-3 weeks (harvest window)

Fruits reach full size (1.5-2.5 inches diameter), develop deep orange color, skin becomes slightly soft when ripe; sugar content peaks

Monitor ripeness using color and slight squeeze test; harvest when fully colored for best sweetness; cease excess nitrogen to prevent fruit splitting; proper storage at 12-15°C maintains quality

Companion Planting

Plan your garden →

Plant with:

Basil Marigold Nasturtium Legumes (nitrogen-fixing crops) Alyssum Tansy Garlic

Avoid planting near:

Fennel Black walnut Eucalyptus Other citrus varieties (if disease management is concern) Shallow-rooted competitors

Common Pests

Monitor new growth; remove affected leaves; use horticultural oil sprays; introduce parasitoid wasps; avoid excessive nitrogen fertilization
Inspect regularly for yellowing and psyllid presence; use yellow sticky traps; spray neem oil or insecticidal soap; manage ant populations that protect psyllids
Spray with horticultural oil during dormant season; use insecticidal soap on active infestations; prune heavily infested branches; encourage natural predators
Increase humidity with regular misting; spray with water to dislodge; use neem oil; introduce predatory mites in severe cases
Remove fallen fruit promptly; use protein-based baits and traps; harvest fruit at peak ripeness; proper sanitation
Improve drainage; avoid overwatering; prune affected bark and allow to air dry; apply fungicide to canker wounds; graft above disease-prone rootstock

Uses

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Fresh fruit consumption and juice

Culinary

Kinnow is primarily eaten fresh as a seedless mandarin with exceptional sweetness and easy peeling. The juice is also popular, either consumed fresh or processed for commercial juice products, with superior flavor profile compared to many citrus varieties. [source]

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Immune support and antioxidants

Medicinal

Like all citrus fruits, Kinnow is rich in vitamin C, bioflavonoids, and antioxidants that support immune function and reduce inflammation. Traditional medicine systems have utilized citrus fruits for digestive health and cold prevention. [source]

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Natural cleaning agent

Household

The peel contains limonene and natural oils that make it useful as a base for homemade cleaning solutions and natural fragrance products. Dried peels can freshen spaces or be used in potpourri. [source]

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Marmalade and preserves

Culinary

The balanced sugar and acid content makes Kinnow fruit suitable for making traditional marmalades, jams, and candied peels, with pleasant flavor retention in preserved products. [source]

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Pollinator attraction and wildlife food

Wildlife

Kinnow flowers provide abundant nectar for bees and other pollinators during spring blooming season. Mature trees also provide shelter and food sources for various bird species attracted to the fruit. [source]

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

Harvest Tips

Kinnow fruits ripen November-January in Northern Hemisphere climates. Harvest when skin color is deep orange and fruit gives slightly to gentle pressure; fruits do not ripen further after picking. Use pruning shears or twist gently to avoid tearing skin. Peak sweetness occurs with fully mature color. Store at 10-15°C with 85-90% humidity for extended shelf life (4-6 weeks). Handle carefully as fruit skin, while tough, bruises easily.

Fun Facts

🌱 Kinnow was developed in India and is named from a combination of 'King' and 'Ponkan' citrus varieties; it became the most popular mandarin variety grown in Pakistan and is a major export crop.
🌱 A mature Kinnow tree can produce 200-400 pounds of fruit annually, making it one of the most productive citrus varieties for commercial and home cultivation.
🌱 The fruits are naturally seedless due to hybrid sterility, making them superior to many other mandarin types and more convenient for fresh eating and juicing.

Gardening Terms

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

Full Sun Hybrid Mulch pH

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