How to grow pomegranate hedge
Overview
Pomegranate (Punica granatum) is a deciduous or semi-evergreen shrub grown as an edible hedge. It offers ornamental value with glossy leaves and vibrant flowers, plus nutritious fruit. Key point: fruit forms only on second-year wood, so avoid heavy pruning during the growing season.
Varieties
- Wonderful — Large, deep red fruit with sweet-tart flavour; the most widely grown variety in Australia, excellent for juice and fresh eating.
- Eve — Compact dwarf variety suitable for small gardens and pots; produces small but flavourful fruit on a bushy shrub.
- Angel Red — Soft-seeded pomegranate with bright red arils and high juice yield; popular for juicing and eating raw.
- Sienevy — Cold-hardy cultivar from New Zealand; bears large, pink-skinned fruit with sweet arils, good for cooler temperate areas.
Soil Preparation
Pomegranate prefers slightly acidic to neutral soil (pH 6.0–7.0). Deep, well-drained loam or sandy soil is ideal; clay soils need gypsum and organic matter to improve drainage. Avoid waterlogged sites – raised beds or mounding are helpful in heavy soils. Incorporate well-rotted manure or compost before planting.
Growing Guide
Plant pomegranate hedge in full sun and well-drained sandy loam or loamy soil, with pH 6–7. Space plants 1–2 metres apart for a dense hedge. Dig a hole twice the root ball width, amend with compost, and set the plant at the same depth as in the pot. Water deeply weekly during the first year, then reduce to fortnightly once established. Mulch with organic matter to retain moisture and suppress weeds.
Care
Feed with a balanced slow-release fertiliser (e.g., 10:10:10) in early spring and again after fruiting. Prune lightly after harvest to remove dead or crossing branches and maintain hedge shape. Thin fruit clusters to 1–2 per spur to improve size and reduce splitting. Cut back up to one-third of older branches each winter to renew fruiting wood.
Companion Planting
Good companions include rosemary, lavender, sage, and oregano – these share similar sun and low-water needs and help repel pests. Avoid planting near walnut trees (juglone toxicity) and underplant with low-growing thyme or marjoram to shade the root zone. Keep away from heavy feeders like corn or tomatoes that compete for nutrients.
Common Pests & Risks
Fruit fly is the main pest – use pheromone traps or netting in late summer. Fungal splitting occurs in wet springs; thin fruit clusters and ensure good air circulation. Aphids on new growth can be hosed off or treated with neem oil. Queensland fruit fly (Bactrocera tryoni) is a key target in subtropical regions.
Harvesting
Harvest pomegranates when the fruit is fully coloured (deep red, pink, or yellow-pink) and makes a metallic sound when tapped. The skin should be leathery and slightly soft. Cut fruit with secateurs, leaving a short stem to prevent rotting. Pick before heavy autumn rains cause splitting.
In the Kitchen
Arils (seed casings) are eaten fresh, juiced, or used in salads, desserts, and savoury dishes. Store whole fruit in the fridge for up to 2 weeks or freeze arils. Pomegranate molasses (reduced juice) is a popular kitchen ingredient. Avoid the bitter pith and peel.
Troubleshooting
Yellow leaves: overwatering or nitrogen deficiency – reduce irrigation and apply balanced fertiliser. Brown leaf edges: salt stress or underwatering – flush soil and mulch. Fruit splitting: irregular watering or heavy rain – maintain consistent moisture and pick early. No fruit: inadequate sun or pruning too heavily – ensure full sun and only prune after harvest. Small fruit: overcrowding – thin flower clusters or fruit to 2 per branch.