Do screwcaps preserve wines during a glorious evolution, or stunt their development?
In 1977, when Clare Valley winemaker Andrew Mitchell, pictured below, made his first Riesling, he bottled half of his production under screwcap and half under cork.
‘Over time, he watched the slow evolution of the screwcapped wine – and its decline under cork’, said Andrew’s daughter Hilary Mitchell. ‘So, in 2000, when other Clare winemakers started to use screwcap again for some of their Rieslings, Dad decided to stop using cork on all our wines. The thing about Dad is that if he does something he’s all-in. And...