Following the successful debut of its flagship Rare Series earlier this year, Diageo has unveiled the Scotch whisky collection’s next chapter, introducing two exceptionally aged single malts designed to capture the rugged atmosphere of a Scottish winter.

When the Rare Series first launched in April 2026, Diageo launched five limited expressions, led by a 55-year-old Glenury Royal, the oldest single malt ever released by the group, alongside rare bottlings from Talisker, Clynelish, Caol Ila, and Blair Athol.

Now, master blender Dr Craig Wilson has returned to Diageo’s inventory of over 10m maturing casks across more than 30 distilleries to source liquid that has braved decades of Scotland’s harshest winter weather.

The Convalmore 1984

The centrepiece of this winter release is the Convalmore 1984 Rare Series, a 41-year-old single malt originating from a long-lost “ghost” distillery in Dufftown, Speyside.

Bottled at 45.6 per cent ABV from just four refill American oak hogsheads filled the year before the distillery permanently shuttered, only 310 bottles will be made available worldwide at £2,900. The liquid offers a profile of tropical fruit, lush orchard notes, spun honey, beeswax, and delicate spice, offering a rare encounter with a closed Speyside icon.

Accompanying it is the Dalwhinnie 1989 Rare Series, a 36-year-old expression hailing from one of Scotland’s highest and most weather-beaten operational distilleries. Bottled at 49.9 per cent ABV, this marks the first time a Dalwhinnie has been matured in Amoroso-seasoned American oak hogsheads, featuring an extended finishing period of over four years.

Limited to 305 bottles globally and priced at £1,100, it balances signature Highland heather, honeycomb, and floral sweetness with rich fruit and subtle peppery warmth.

“Both of these releases demonstrate what happens when exceptional Scotch is left to quietly endure and thrive against the elements,” Dr Wilson noted, highlighting how decades of biting Scottish winters have transformed intense cold into an enveloping, honeyed depth.

As with the original April launch, Diageo is bypassing traditional retail shelves for this latest Rare Series release.

Bottles from the new chapter are strictly allocated via Diageo’s dedicated Private Client network, including London wine and spirits merchant Justerini & Brooks, which recently re-established its historic townhouse presence on St James’s Street. Access opened on 3 November 2026 through a global registration portal on rare-series.com.