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How to Grow Quince

Cydonia oblonga

Perennial

Quince needs full sun, shelter, and well-drained fertile soil to ripen its aromatic fruits. Train as a fan against a warm wall or as a small bush. Blossom is relatively late, but fruits need a long, warm autumn to fully mature. Water during fruit swell and mulch annually. Prune in winter to maintain an open framework and renew fruiting spurs; light summer thinning of vigorous shoots helps light reach fruit. Harvest when fruits turn golden and fragrant; store to mellow.

Yearly Lifecycle

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JanFebMarAprMayJunJulAugSepOctNovDec
Bud Break Flowering Fruit Set Harvest Growing Leaf Fall

Care Essentials

Early spring with a balanced fertiliser. Mulch with well-rotted compost.

Watch For

  • Quince leaf blight
  • Brown rot
  • Codling moth
  • Fireblight

Companions

Comfrey, Chives, Nasturtiums

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Care Requirements

☀️ Light

Full sun, sheltered and warm for ripening

Full sun in a sheltered position for best fruit ripening. A south or west-facing wall is ideal in the UK. Avoid frost pockets.

💧 Watering

Water during fruit swell in dry weather

Water during fruit swell in dry spells. Established trees cope well with normal UK rainfall but benefit from extra moisture in summer.

🌱 Fertilizing

Balanced feed in spring, mulch with compost

Apply a balanced fertiliser in early spring. Mulch with well-rotted compost, keeping it away from the trunk.

✂️ Pruning

Winter prune to open goblet shape

Prune in winter while dormant. Create an open goblet shape. Remove dead, diseased, and crossing branches. Light thinning improves airflow and fruit quality.

🍎 Harvesting

Pick when golden and fragrant in October

Pick in October when fruit turns golden and smells fragrant. Store in a cool place to mellow. Cannot be eaten raw — cook into jelly, paste, or bake.

Growing Tips

Warmest spot wins

Choose a sunny, sheltered microclimate to improve ripening and flavour.

Framework first

Winter prune to maintain an open canopy with well-spaced branches and short fruiting spurs.

Thin heavy sets

Reduce clusters to prevent limb strain and to size up remaining fruits.

Pick by scent

Harvest when skins are golden and aromatic; fruits finish mellowing in storage.

Pests & Diseases

Pest Codling Moth

Identification: Small entry hole in the fruit. Pink-white caterpillar inside near the core, surrounded by brown frass.

Organic treatment:
  • Hang pheromone traps from mid-May to monitor and reduce male moth numbers
  • Use corrugated cardboard bands around trunks in summer to trap pupating larvae
  • Apply nematode biological control (Steinernema carpocapsae) to soil in autumn
Chemical treatment:
  • Spray with a contact insecticide timed to egg hatch (typically late June)
Pest Aphids

Identification: Clusters of green aphids on shoot tips and undersides of young leaves. Sticky honeydew and curled leaves.

Organic treatment:
  • Encourage ladybirds, lacewings, and hoverflies
  • Spray with insecticidal soap
  • Apply a winter tree wash to reduce overwintering eggs
Chemical treatment:
  • Spray with a pyrethrin-based insecticide at first sign
Disease Quince Leaf Blight Diplocarpon mespili

Symptoms: Small dark spots on leaves that enlarge and merge. Leaves curl, brown, and drop prematurely. Fruit may also develop dark spots.

Treatment: Rake up and destroy fallen leaves in autumn. Prune out affected shoots in winter.

Prevention: Ensure good air circulation. Avoid overhead watering. Clear all fallen leaves.

Disease Brown Rot Monilinia fructigena

Symptoms: Fruit develops soft brown patches with concentric rings of buff spore pustules. Fruit mummifies on the tree.

Treatment: Remove and destroy all affected fruit, including mummified fruit left on the tree over winter.

Prevention: Prune for good airflow. Remove fallen fruit promptly. Avoid damaging fruit.

Disease Fire Blight Erwinia amylovora

Symptoms: Shoots wilt and turn brown or black as if scorched. Cankers may ooze bacterial slime in wet weather.

Treatment: Cut out affected branches at least 60 cm below visible symptoms. Sterilise tools between cuts. Notify APHA if suspected.

Prevention: Avoid high-nitrogen feeds. Prune in dry weather. Disinfect tools.

Popular Varieties

Pineapple

Named for its distinct tropical aroma, this variety has smoother flesh than most quinces. In warm climates, can ripen enough to eat raw.

Smyrna

A leading commercial variety producing large, pear-shaped fruit with bright yellow skin. Flesh turns pink and aromatic upon cooking.

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