How to grow nashi pear
Overview
Nashi pear (Pyrus pyrifolia) is a traditional orchard fruit grown for its crisp, juicy round fruit and attractive spring blossom. It requires cross-pollination with another nashi or compatible pear variety to crop well.
Varieties
- Nijisseiki — The classic '20th Century' nashi—crisp, sweet, and widely adapted across temperate and subtropical Australia.
- Hosui — Golden-brown skin, very juicy, with a rich flavour. Early ripening, good for cooler zones.
- Chojuro — Rusty-brown skin, slightly firmer flesh. Excellent for storage and cooking.
- Shinseiki — Early-season variety, pale yellow skin, sweet and mild. Good for beginners.
Soil Preparation
Nashi pear prefers slightly acidic to neutral soil (pH 6.0–7.0). Improve heavy clay with gypsum and compost; add sand to lighten. Ensure deep drainage—waterlogged roots cause collar rot. Test soil before planting and adjust with lime if needed.
Growing Guide
Plant nashi pear in full sun with well-drained loamy soil. Space trees 4–5 m apart. Dig a hole twice the width of the root ball, backfill with compost and aged manure. Stake young trees for the first two years. Mulch deeply to retain moisture and suppress weeds.
Sowing
Nashi pear is not commonly grown from seed; most trees are grafted onto rootstock. If sowing from seed, stratify for 60–90 days at 4°C, then sow 1 cm deep in pots. Germination takes 4–8 weeks. Transplant after 1–2 years.
Care
Feed nashi pear with a balanced fertiliser (e.g., 10-10-10) in early spring and again after harvest. Prune in winter to an open vase shape, removing dead or crossing branches. Thin fruit in early summer to 1 per cluster for better size and quality.
Companion Planting
Grow nashi pear near clover or comfrey as a living mulch. Avoid planting near junipers, which host cedar-apple rust. Keep away from walnut trees, whose juglone can stunt growth.
Common Pests & Risks
Watch for pear slug (sawfly larvae) which skeletonises leaves; control with a blast of water or horticultural oil. Codling moth can tunnel into fruit; use pheromone traps and spray with Bacillus thuringiensis (Bt) in spring. Fire blight is rare but serious—prune out infected branches immediately.
Harvesting
Harvest nashi pear when the skin shifts from green to yellow-bronze and the fruit gives slightly to pressure. Pick by hand, twisting gently. Store in a cool, dark place for up to 3 months.
In the Kitchen
Eat nashi pear fresh for best crispness—slice and add to salads or serve with cheese. It holds its shape when poached or baked. Store at room temperature for a few days; refrigerate for longer keeping.
Troubleshooting
Yellow leaves: overwatering or poor drainage—check soil moisture. Brown leaf edges: salt burn from fertiliser or dry wind—flush soil and mulch. Small fruit: insufficient pollination—plant a second variety nearby. Fruit drop: June drop is normal, but excessive means water stress or poor nutrition. Black spots on fruit: scab—use a copper spray in spring.