Classification
Product TypeRaw Material
Product FormFresh
Industry PositionPrimary Agricultural Product
Raw Material
Market
Fresh onions in New Zealand are an export-oriented field-grown vegetable crop, supplying counter-seasonal demand in Northern Hemisphere markets. Production is concentrated across several key regions including Auckland, Waikato, Hawke’s Bay, Canterbury, and Manawatu-Whanganui. The industry’s main export window typically peaks from February through May, supported by onions bred/selected for strong storage performance for long sea-freight journeys. Market access can be constrained by importing-country phytosanitary requirements, including onion smut-related requirements that can restrict exports from specified zones.
Market RoleProducer and exporter (export-oriented; counter-seasonal supplier)
Domestic RoleDomestic retail and foodservice staple vegetable with year-round availability supported by storage
SeasonalityExports typically peak from February through May, while stored onions enable supply and shipments beyond the main season; harvest timing differs between North and South Island.
Specification
Primary VarietyBrown onions (storage-type; long-keeping export and domestic staple)
Secondary Variety- Pukekohe Long Keeper
- Early Long Keeper
- Kiwi Gold
- Red onions (Spanish/Californian/Globe type)
Physical Attributes- Dry, papery outer skin (brown: golden to brown; red: red to burgundy) as a key quality indicator
- Storage-oriented onions with lower water content to support long keeping in cool, well-ventilated conditions
Packaging- Common export packs include 10kg, 15kg, and 20kg bag formats and bulk-bag options (exporter program-dependent).
Supply Chain
Value Chain- Field harvest → field/yard curing and drying → grading/sizing → packhouse packing → dry, ventilated storage → container loading → sea freight export → importer/wholesaler distribution
Temperature- Moisture control and avoidance of condensation are central for quality during extended storage and sea-freight export programs.
- Export shipments may use dry containers or refrigerated containers depending on buyer/destination requirements and quality-risk management.
Atmosphere Control- Ventilation and dry-air management are important during curing and storage to reduce storage rots and quality loss over long shipping periods.
Shelf Life- Storage-focused varieties enable long shipping periods and extended market supply windows when curing and dry storage are well managed.
Freight IntensityHigh
Transport ModeSea
Risks
Phytosanitary HighOnion smut (Urocystis cepulae) market-access requirements can block exports if production sites are not eligible or documentation is incomplete; MPI notes onion smut in parts of Hawke’s Bay and states that if a site is in certain exclusion zones, Allium vegetables cannot be exported to any overseas market.Pre-qualify supply by region/site against MPI onion smut maps and any exclusion zones; follow destination ICPR steps, and use an Independent Verification Agency (IVA) for site registration/certification where required.
Logistics MediumSea-freight schedule disruption and container-rate volatility can materially affect landed cost and increase quality risk during long-distance transit for a bulky, freight-intensive product.Lock shipping capacity early for peak season, build contingency transit time into specifications, and align pack style/container choice (dry vs reefer) to destination risk profile.
Climate MediumRainfall around the harvest period can reduce suitability for field curing and increase downstream storage/quality losses, particularly affecting export programs that depend on long storage.Plan harvest logistics to capture dry curing windows, and set stricter intake QA during wet seasons to protect long-storage lots.
Pest And Disease MediumOnion thrips (Thrips tabaci) is described as a major pest in New Zealand onions and can contribute to storage problems and rots that may show up during storage or in export shipments.Implement integrated pest management and tight packhouse QA to reduce thrips carryover into stored/export lots.
Sustainability- Water stress management during emergence and bulb formation can affect yield and quality, with both drought and excess water posing quality risks in-season.
- Harvest-period rainfall risk can impair field curing and increase post-harvest quality loss.
FAQ
What is the main export window for fresh onions from New Zealand?Industry sources describe the peak export season as typically running from February through May, with additional shipments possible outside that window using stored onions.
What is the most critical phytosanitary market-access risk for New Zealand fresh onion exports?Onion smut-related phytosanitary requirements can block exports if growing sites are not eligible or documentation is missing. MPI notes onion smut is present in parts of Hawke’s Bay and that some exclusion zones cannot export Allium vegetables to any overseas market.
Which onion varieties are commonly referenced in New Zealand production and marketing?Onions New Zealand describes brown onions as the most common type grown and lists varieties including Pukekohe Long Keeper, Early Long Keeper, and Kiwi Gold, with red onion types (e.g., Spanish and Californian types) also discussed as increasing in popularity.