How to grow cherimoya
Overview
Cherimoya (Annona cherimola) is a small deciduous to semi-evergreen tree from the Andean highlands, prized for its large, heart-shaped fruit with creamy, custard-like flesh. It requires a warm, frost-free environment and benefits from hand pollination to ensure good fruit set.
Varieties
- Fino de Jete — The classic Spanish variety, known for its excellent flavour and reliable cropping in Australian conditions.
- White — A popular Australian selection with large, sweet fruit and good disease resistance.
- Booth — A heavy-bearing variety with firm, creamy flesh, suited to warmer coastal areas.
Soil Preparation
Cherimoya prefers a slightly acidic to neutral pH (6.0–7.0) in deep, loamy, well-drained soil. Before planting, incorporate plenty of organic matter and ensure good drainage. Avoid heavy clay or waterlogged sites.
Growing Guide
Plant cherimoya in a sheltered, sunny position with well-drained, fertile soil. Space trees 4–6 m apart. Stake young trees for support. Water deeply but infrequently, allowing the soil to dry slightly between waterings. Apply a thick layer of organic mulch to retain moisture and suppress weeds. Hand pollinate in early morning using a small brush to transfer pollen from male to female flowers.
Sowing
Sow fresh cherimoya seeds 1–2 cm deep in seed-raising mix. Germination takes 3–5 weeks at 20–25°C. Transplant seedlings when 15–20 cm tall. Seeds may not come true to type; grafted trees are preferred for reliable fruit quality.
Care
Feed cherimoya with a balanced fertiliser (e.g., 10-10-10) in early spring and again after harvest. Prune after fruiting to remove dead wood and shape the canopy. Thin fruit to one per cluster for larger, better-quality fruit. Mulch annually with well-rotted compost.
Companion Planting
Companion plants include sweet potato, comfrey, and borage to attract pollinators and suppress weeds. Avoid planting near other Annonaceae species to reduce pest and disease spread. Keep away from heavy feeders like corn that compete for nutrients.
Common Pests & Risks
Mealybugs and scale insects can be controlled with horticultural oil or neem oil. Fruit fly is a major pest; use bait sprays or cover fruit with exclusion bags. Monitor for fungal diseases like anthracnose in humid conditions.
Harvesting
Harvest cherimoya when the fruit gives slightly to gentle pressure and the skin colour changes from dark green to a lighter, yellowish-green. Pick fruit with the stem attached and ripen indoors at room temperature. Do not refrigerate until fully ripe.
In the Kitchen
Eat cherimoya fresh, chilled, or blended into smoothies and desserts. The flesh is sweet and custard-like; discard the black seeds. Store ripe fruit in the fridge for up to 3 days. Use in ice creams, sorbets, or as a topping for pavlova.
Troubleshooting
Yellow leaves: overwatering or poor drainage; reduce watering and improve soil. Brown leaf edges: salt burn or dry air; increase humidity and flush soil. Fruit drop: poor pollination or water stress; hand pollinate and maintain even moisture. Cracking fruit: irregular watering; keep soil consistently moist. Stunted growth: lack of nutrients; apply balanced fertiliser in spring.