Extreme Weather and NZ Crop Insurance: What Growers Need to Know

The Growing Cost of Extreme Weather for NZ Growers

New Zealand agriculture has always faced weather risk — but the frequency and severity of extreme events is increasing. Cyclone Gabrielle in February 2023 caused an estimated $14.5 billion in total damage, with the Hawke's Bay horticulture and viticulture industry among the hardest hit. Orchards were buried in silt, crops destroyed, and infrastructure washed away. Growers without adequate insurance faced total loss.

Understanding what extreme weather cover is available — and where the gaps are — is essential for any NZ grower.

The Main Extreme Weather Perils and Insurance Coverage

Cyclone and Wind Damage

Tropical cyclones, ex-tropical lows, and windstorms are covered under most named perils crop insurance policies. The key variables are:

• **Named storm exclusions**: Some older policies exclude named tropical cyclones. Check your policy wording carefully.
• **Infrastructure vs. crop**: Wind damage to structures (packing sheds, irrigation systems, hail nets) may be covered separately under a farm or commercial policy rather than crop cover.
• **Business interruption**: If a cyclone forces you to stop operations for weeks or months, BI cover can be critical — but it is often not included in base crop cover and must be added as an extension.

Frost Damage

Frost is one of the most commonly claimed weather perils for NZ horticulture growers. Key points:

• **Budburst timing**: For orchards and vineyards, cover must typically be in place before budburst commences. Attempting to insure after a frost warning has been issued will likely result in a declined application.
• **Sub-limits**: Some policies place sub-limits on frost claims — particularly for early season frosts where the full scale of damage may not be evident immediately.
• **Canterbury and Central Otago**: Late spring frosts in October and November can damage stone fruit, pip fruit and vine crops at their most vulnerable stage. Regional underwriting can affect premium rates significantly.

Hailstorm

Hail is the single biggest insured peril for NZ pip fruit and horticulture growers. A single hailstorm lasting 10 minutes can render an entire orchard's crop commercially unsaleable. Cover considerations:

• **Hail-only vs. named perils**: Some growers opt for hail-only cover as a lower-cost option. This works well if hail is the dominant risk but leaves gaps for other perils.
• **Hail net discounts**: Insurers will typically discount premiums for orchards with certified hail netting in place. This can significantly reduce the cost of cover.
• **Grading and bruising thresholds**: Not all policies pay out at the same damage threshold. Some require a minimum percentage of fruit to be affected before a claim is triggered.

Drought

Drought is one of the most underinsured risks in NZ agriculture. Standard named perils policies typically do not include drought cover — it is considered a gradual deterioration rather than a sudden, specified event. Options for drought cover:

• **Multi-peril crop insurance (MPCI)**: MPCI policies, particularly those available through international underwriters, can include drought as a covered peril with a yield guarantee trigger.
• **Parametric insurance**: A relatively new option in NZ, parametric policies pay out automatically when a measured index (e.g., rainfall below a defined threshold over a specified period) is triggered — no loss assessment required.
• **Irrigation infrastructure**: While drought cover on crop is limited, insuring irrigation infrastructure (pivots, pumping systems, drains) is standard and important.

Flooding and Waterlogging

Post-Gabrielle, flooding has become a heightened concern. Most crop policies will cover flood damage to standing crops. However:

• **Silt damage and remediation costs**: The cost of removing silt from orchards is significant and may not be covered under a crop policy — it may fall under a land remediation or farm policy.
• **Quality vs. physical damage**: Flood-damaged fruit that cannot be harvested cleanly may result in quality downgrade claims rather than total loss claims, which can affect pay-out amounts.

Are Premiums Rising Due to Climate Risk?

Yes. Insurers and reinsurers globally are recalibrating their pricing models to reflect increased extreme weather frequency. NZ growers are seeing the effects:

• Hail and wind premiums in exposed regions (Hawke's Bay, Marlborough, Bay of Plenty) have increased by 15–35% over the past four years.
• Some insurers have reduced capacity in high-risk postcodes or introduced higher excesses for cyclone perils.
• Multi-year claims histories are being weighted more heavily in underwriting decisions.

Working with a specialist broker who has access to multiple markets is increasingly important — the difference between the most and least expensive quote for the same cover can be substantial.

What to Check Before the Season

Before each growing season, growers should review:

1. Is your sum insured still accurate given changes in crop value or expansion of planted area?

2. Have you updated your broker on any new infrastructure, irrigation, or hail netting installed?

3. Are there any new perils you should be adding cover for?

4. Is your policy in place before any key risk window opens (budburst, flowering, harvest)?

Our specialist brokers can run a pre-season policy review at no cost. Contact us to arrange this.