Custard Apple Farming: A Practical Guide to Growing This Sweet, High-Value Fruit

Custard apple is one of Kenya’s lesser-known fruit crops, yet it offers promising opportunities for farmers looking to diversify their orchards with unique, high-value fruits. Known for its creamy, sweet flesh and pleasant aroma, the fruit is gaining popularity among health-conscious consumers, specialty fruit vendors, hotels, and urban supermarkets.

Although custard apple is not yet cultivated on the same scale as avocados, mangoes, or citrus, growing consumer interest and increasing awareness of indigenous and exotic fruits are creating new market opportunities. The tree is also relatively hardy, drought tolerant once established, and suitable for many parts of Kenya with warm climates.

For farmers seeking to diversify their fruit enterprises or establish mixed orchards, custard apple is a crop worth considering.

Understanding the Custard Apple

Custard apple belongs to the Annona genus, which includes several closely related tropical fruits. In Kenya, the name “custard apple” is often used broadly, but it may refer to different species such as:

• Sugar apple (Annona squamosa)
• Cherimoya (Annona cherimola)
• Atemoya, which is a hybrid of sugar apple and cherimoya.
• Bullock’s heart (Annona reticulata), which is grown on a smaller scale.

Among these, atemoya and sugar apple are increasingly attracting interest because they combine excellent fruit quality with good adaptability to tropical and subtropical conditions.

Why More Farmers Are Considering Custard Apple

Several factors make custard apple an attractive crop for smallholder and commercial farmers.

The fruit commands relatively good prices because supply remains limited in many markets. Consumers appreciate its sweet flavor, soft texture, and nutritional value, while traders value its uniqueness compared to more common fruits.

The trees also require less intensive management than some commercial fruit crops and can remain productive for many years under proper care.

As Kenya’s urban population continues to grow, demand for diverse fruit varieties is expected to increase, particularly in supermarkets, fresh produce stores, and premium fruit outlets.

Climatic Requirements

Custard apple performs best in warm tropical and subtropical climates.

Ideal growing conditions include:

• Temperature: Approximately 20°C to 30°C
• Annual rainfall: Around 700 to 1,200 mm, supplemented with irrigation where necessary
• Altitude: Approximately 500 to 1,800 meters above sea level, depending on the variety
• Soil: Well-drained sandy loam or loamy soils rich in organic matter
• Soil pH: Between 5.5 and 7.0

Although mature trees tolerate short dry periods, prolonged waterlogging can damage roots and reduce productivity.

Suitable Growing Areas in Kenya

Custard apple can be grown successfully in many regions, including: Makueni, Machakos, Kitui, Embu, Meru, Tharaka Nithi, Kirinyaga, Murang’a, Nyeri, Parts of Nakuru, Taita Taveta, Kilifi, Kwale, Kisii and neighboring highland areas where suitable varieties are selected.

Farmers should always choose varieties suited to their local climate and altitude.

Choosing Quality Seedlings

Like most fruit trees, orchard performance begins with the quality of planting materials.

Farmers should purchase healthy seedlings from reputable nurseries that produce true-to-type varieties. Grafted seedlings are generally preferred because they establish more quickly, produce uniform fruits, and begin bearing earlier than seed-grown trees.

Approximate 2026 prices for grafted custard apple seedlings in Kenya range between KSh 300 and KSh 600 per seedling, depending on the variety, nursery, and availability.

Although grafted seedlings cost more than seedlings raised from seed, they usually provide more reliable long-term performance.

Land Preparation and Planting

Proper land preparation creates favorable conditions for early tree establishment.

The field should be cleared of weeds and perennial grasses before digging planting holes measuring approximately 60 cm by 60 cm by 60 cm. The topsoil should be mixed with well-decomposed manure before backfilling.

Depending on the variety and management system, trees are commonly spaced 5 to 6 meters apart, allowing adequate sunlight, airflow, and room for canopy development.

Planting is best carried out at the beginning of the rainy season, although irrigation allows planting throughout much of the year.

Growth Timeline and Expected Production

Custard apple is a relatively fast-establishing fruit tree.

Under good management:

• Grafted trees may begin producing fruits within 2 to 3 years.
• Seed-grown trees often require 3 to 5 years before significant production begins.
• Full commercial production is generally achieved after 5 to 7 years.

A mature tree may produce approximately 50 to 150 fruits per season, depending on the variety, tree age, management practices, pollination, and growing conditions.

Pollination Plays an Important Role

One challenge in custard apple production is pollination.

Natural pollination by insects may sometimes be insufficient, leading to poor fruit set or irregular fruit shape.

Some commercial growers improve production through hand pollination, particularly during peak flowering periods. While this increases labor requirements, it often results in higher yields and better-quality fruits.

Encouraging beneficial insects by maintaining a healthy orchard environment also supports natural pollination.

Orchard Management Throughout the Year

Although custard apple trees are relatively hardy, consistent management is necessary for good productivity.

Young trees require regular watering during dry periods until they become well established. Mulching helps conserve soil moisture while suppressing weeds and improving soil structure.

Annual pruning removes dead, damaged, or overcrowded branches, improving air circulation and allowing better light penetration into the canopy. This also reduces disease pressure and makes harvesting easier.

Balanced fertilization based on soil analysis supports healthy growth, flowering, and fruit development. Organic manure combined with appropriate mineral fertilizers generally produces the best results.

Common Pests and Diseases

Custard apple is generally less susceptible to serious diseases than many commercial fruit crops, but farmers should still monitor orchards regularly.

Common pests include fruit flies, mealybugs, scale insects, aphids, and occasionally caterpillars.

Diseases that may occur under favorable conditions include anthracnose, leaf spot, root rot, and fruit rots, particularly during prolonged wet weather.

Good orchard sanitation, regular pruning, balanced nutrition, and proper drainage significantly reduce disease pressure. Integrated Pest and Disease Management (IPDM) should always be the preferred approach rather than relying solely on chemical control.

Harvesting and Post-Harvest Handling

Custard apples are highly perishable and should be harvested carefully.

Fruits are usually picked when they are fully developed but still firm, allowing them to ripen after harvest. Harvesting overly ripe fruits increases the risk of bruising and reduces shelf life.

Because the fruits have delicate skin, careful handling during harvesting, grading, and transportation is essential to maintain market quality.

Where possible, fruits should be marketed soon after ripening or stored under cool conditions to extend shelf life.

Market Opportunities in Kenya

Demand for custard apples is steadily increasing, although production remains relatively limited.

Potential buyers include:

• Fresh produce markets
• Supermarkets
• Fruit vendors
• Hotels and restaurants
• Juice processors
• Health food stores
• Direct consumers through farm sales

Because supply is still relatively low, farmers producing consistent, high-quality fruits may benefit from niche market opportunities.

Approximate 2026 farm-gate prices generally range from KSh 120 to KSh 250 per kilogram, depending on fruit quality, variety, season, location, and buyer demand. Premium fruits sold through supermarkets and specialty outlets may attract higher prices.

Is Custard Apple a Good Investment?

Custard apple is unlikely to replace mainstream commercial crops such as avocado or mango in terms of production scale, but it offers valuable diversification opportunities.

Its relatively low production volumes, attractive market prices, and growing consumer awareness make it an appealing crop for farmers seeking specialty fruit markets. It also integrates well into mixed fruit orchards where farmers wish to spread production risks across multiple crops.

Like any fruit enterprise, profitability depends on careful planning, quality planting materials, good orchard management, and reliable market access.

Practical Takeaways

Custard apple is a promising fruit crop for many parts of Kenya, particularly in warm regions with well-drained soils. Farmers should begin with certified grafted seedlings, prepare land carefully, maintain balanced nutrition, prune regularly, and monitor pests and diseases throughout the growing season. Attention to pollination and proper post-harvest handling further improves fruit quality and marketability.

While the crop serves niche markets today, increasing consumer demand suggests good long-term potential for growers willing to invest in quality production.

Diversify Your Orchard with Quality Planting Materials

As Kenyan consumers continue exploring new fruit varieties, custard apple presents an opportunity for farmers looking to diversify their orchards with a unique, high-value crop. Success begins with selecting quality planting materials and adopting sound orchard management practices that support healthy tree growth and consistent fruit production.

Farmers seeking certified custard apple seedlings and expert guidance can contact Organic Farm via website: www.organicfarm.co.ke, Call or WhatsApp: +254712075915, or email: oxfarmorganic@gmail.com.