Wine-Searcher reports that climate change, shifting consumer tastes and economics are encouraging traditionally Mediterranean white grapes to spread far beyond their historic homes. Assyrtiko is increasingly being planted in Australia, New Zealand and the US, while Fiano has established itself particularly strongly in South Australia, where growers value its ability to retain acidity in warmer conditions. Albariño and Vermentino are also travelling, but producers interviewed warn that international expansion raises questions about regional identity, propagation material and genetic diversity, particularly if varieties become commodities divorced from their places of origin. The article was updated on 21 August 2026 and is freely accessible.