Sauvignon blanc oversupply bites Marlborough grape growers as prices slump

The Marlborough Grape Growers Co-operative had its largest ever harvest of 15,000 tonnes in 2025, up by 3000 tonnes on the previous year. (Image: Deposit Photos)

Riley Kennedy

Mon, 10 Nov 2025

Marlborough’s “very large” grape harvest has added to the difficulties of a supply and demand imbalance for the region’s famous sauvignon blanc.The harvest yielded 410,290 tonnes, 31% more than the 2024 vintage and 17% above the seven-year average of 349,949 tonnes.Watch HeraldNOW: Export headaches lurk behind huge grape harvest, US Fed official makes case for a December rate cut, BusinessDesk CEO Index rates our top 20 executives.The Marlborough Grape Growers Co-operative – owned by fewer than 80 growers – h...

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