Blueberry — How to Grow Blueberry in Australia

☀️ Sun

Full Sun

💧 Water

Medium

↔ Spacing

150cm apart

↕ Height

Up to 1.5m

📅 Harvest

180 days

Growing Guide

Plant blueberries during autumn (March–May) or early spring (September–October) when soil temperatures are mild and roots can establish before temperature extremes. Avoid planting during the heat of summer. Soil preparation is critical — blueberries demand an acidic pH of 4.5–5.5. Amend native soils generously with sulfur, peat moss, or pine bark fines, and retest pH before planting. Sandy or clay-heavy soils should be improved with organic matter to ensure good drainage and moisture retention. Plant two or more varieties to ensure cross-pollination and dramatically improve yields. Space plants 1.5 metres apart. Water consistently to keep the root zone moist but never waterlogged — blueberries have shallow roots that dry out quickly. Mulch thickly with pine bark, wood chips, or coffee grounds to retain moisture, suppress weeds, and gradually acidify the soil. Aim for roughly 2–3 cm of water per week during the growing season, reducing in winter. Apply an acid-specific slow-release fertiliser in early spring (September) as new growth emerges, and again lightly after harvest. Avoid over-fertilising with nitrogen, which promotes foliage at the expense of fruit. Berries ripen progressively over several weeks from late November through February depending on your climate and variety — harvest when fully blue and slightly soft for peak sweetness. Net plants early to protect fruit from birds.

🤝 Good Companions

Strawberries rhododendrons and camellias make excellent companions for blueberries because they share the same preference for acidic well-drained soil reducing the need for individual soil management. Borage and thyme planted nearby attract beneficial pollinators boosting fruit set and overall berry yields.

❌ Avoid Planting With

Avoid planting blueberries near brassicas fennel or alkaline-loving plants such as lavender and rosemary as these either alter soil chemistry unfavourably or compete aggressively for nutrients in ways that compromise blueberry health. Nightshades and heavy nitrogen feeders like corn can also disrupt the delicate soil ecosystem blueberries depend on.

🐛 Pests & Diseases

The greatest threats to Australian blueberries include spotted wing drosophila (Drosophila suzukii), bronze orange bug, and fungal diseases such as mummy berry and botrytis grey mould in humid conditions. Control fruit flies by netting plants before berries ripen and using organic spinosad-based sprays where infestations are severe. Improve air circulation through pruning and avoid overhead watering to minimise fungal issues; a diluted neem oil spray applied fortnightly during wet periods provides effective preventative protection.

🌱 Fertilising

Feed blueberries each spring (September) with an acid-specific slow-release fertiliser such as Camellia & Azalea Food or a dedicated blueberry formulation, and apply a light top-up dose after the main harvest in late summer. Avoid fertilisers containing lime or high phosphorus, and supplement annually with sulfur or acidified compost to maintain the critical soil pH range of 4.5–5.5.

✂️ Pruning & Training

Prune blueberries during winter dormancy (June–August) by removing dead, damaged, or crossing branches and cutting back around one-quarter of the oldest, woodiest canes to the base to encourage vigorous new growth. Minimal pruning is needed in the first three years — focus on shaping and opening the canopy to improve airflow and light penetration, which directly improves fruit quality and reduces disease pressure.

🔬 Propagation

Blueberries are most reliably propagated from hardwood cuttings taken during winter (June–July), cut to approximately 15 cm in length, dipped in rooting hormone, and struck in a moist, acidic propagating mix of peat and perlite kept in a sheltered position. Softwood tip cuttings can also be taken in late spring, though hardwood cuttings generally have higher success rates for home gardeners and produce true-to-type plants that fruit within two to three years.

🗓 When to Plant

Spring

🌾 Harvest

Summer

🌏 Australian Climates

Temperate Cool Temperate Mediterranean Subtropical

More Fruits

Loquat → Feijoa → Strawberry → Fig → Apple → Avocado →